./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:04:48,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:04:48,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:04:48,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:04:48,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:04:48,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:04:48,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:04:48,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:04:48,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:04:48,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:04:48,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:04:48,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:04:48,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:04:48,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:04:48,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:04:48,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:04:48,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:48,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:48,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:04:48,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:04:48,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:04:48,387 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77987d39218daa3d8ca19fe9337f6493b276d704fa95c2d6fb7800ec30efdcea [2024-11-27 20:04:48,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:04:48,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:04:48,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:04:48,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:04:48,714 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:04:48,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2024-11-27 20:04:51,725 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/data/38129a260/e65e8a127e0f484d9693e28854e9168f/FLAGde3b347e3 [2024-11-27 20:04:52,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:04:52,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound5.c [2024-11-27 20:04:52,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/data/38129a260/e65e8a127e0f484d9693e28854e9168f/FLAGde3b347e3 [2024-11-27 20:04:52,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/data/38129a260/e65e8a127e0f484d9693e28854e9168f [2024-11-27 20:04:52,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:04:52,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:04:52,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:52,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:04:52,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:04:52,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b34831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52, skipping insertion in model container [2024-11-27 20:04:52,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:04:52,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:52,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:04:52,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:52,343 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:04:52,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52 WrapperNode [2024-11-27 20:04:52,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:52,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:52,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:04:52,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:04:52,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,392 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2024-11-27 20:04:52,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:52,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:04:52,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:04:52,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:04:52,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,433 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:04:52,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,437 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:04:52,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:04:52,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:04:52,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:04:52,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (1/1) ... [2024-11-27 20:04:52,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:52,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:04:52,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:04:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:04:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:04:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:04:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:04:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:04:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:04:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:04:52,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:04:52,583 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:04:52,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:04:53,096 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-27 20:04:53,096 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:04:53,110 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:04:53,110 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:04:53,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:53 BoogieIcfgContainer [2024-11-27 20:04:53,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:04:53,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:04:53,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:04:53,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:04:53,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:04:52" (1/3) ... [2024-11-27 20:04:53,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5c9642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:53, skipping insertion in model container [2024-11-27 20:04:53,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:52" (2/3) ... [2024-11-27 20:04:53,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5c9642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:53, skipping insertion in model container [2024-11-27 20:04:53,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:53" (3/3) ... [2024-11-27 20:04:53,122 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound5.c [2024-11-27 20:04:53,138 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:04:53,140 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_unwindbound5.c that has 3 procedures, 146 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2024-11-27 20:04:53,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:04:53,224 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73715d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:04:53,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-27 20:04:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:04:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:04:53,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:53,236 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:53,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:53,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:53,242 INFO L85 PathProgramCache]: Analyzing trace with hash 426625599, now seen corresponding path program 1 times [2024-11-27 20:04:53,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:53,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016264872] [2024-11-27 20:04:53,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:53,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:04:53,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016264872] [2024-11-27 20:04:53,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016264872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344769704] [2024-11-27 20:04:53,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:53,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:53,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:53,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:04:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:53,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:04:53,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:04:53,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344769704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:04:53,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872884342] [2024-11-27 20:04:53,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:53,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:04:53,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:53,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:04:53,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:04:53,513 INFO L87 Difference]: Start difference. First operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:53,559 INFO L93 Difference]: Finished difference Result 288 states and 320 transitions. [2024-11-27 20:04:53,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:04:53,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-27 20:04:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:53,572 INFO L225 Difference]: With dead ends: 288 [2024-11-27 20:04:53,572 INFO L226 Difference]: Without dead ends: 139 [2024-11-27 20:04:53,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:04:53,580 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:53,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-27 20:04:53,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-27 20:04:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 71 states have (on average 1.8450704225352113) internal successors, (131), 128 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:04:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2024-11-27 20:04:53,628 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 15 [2024-11-27 20:04:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:53,629 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2024-11-27 20:04:53,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2024-11-27 20:04:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:04:53,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:53,631 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:53,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:53,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:04:53,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:53,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:53,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1184948479, now seen corresponding path program 1 times [2024-11-27 20:04:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:53,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065716699] [2024-11-27 20:04:53,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:53,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:53,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065716699] [2024-11-27 20:04:53,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065716699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:53,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:53,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:53,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437557125] [2024-11-27 20:04:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:53,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:53,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:53,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:53,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:53,942 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:53,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:53,992 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-27 20:04:53,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:53,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-27 20:04:53,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:53,995 INFO L225 Difference]: With dead ends: 139 [2024-11-27 20:04:53,995 INFO L226 Difference]: Without dead ends: 138 [2024-11-27 20:04:53,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:04:53,996 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:53,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:53,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-27 20:04:54,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-27 20:04:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:04:54,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-11-27 20:04:54,010 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 15 [2024-11-27 20:04:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:54,011 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-11-27 20:04:54,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-11-27 20:04:54,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-27 20:04:54,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:54,013 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:54,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:04:54,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:54,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1921302772, now seen corresponding path program 1 times [2024-11-27 20:04:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045937630] [2024-11-27 20:04:54,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:54,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:54,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:54,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045937630] [2024-11-27 20:04:54,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045937630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:54,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:54,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710628461] [2024-11-27 20:04:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:54,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:54,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:54,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:54,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:54,110 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:54,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:54,157 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2024-11-27 20:04:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:04:54,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-27 20:04:54,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:54,159 INFO L225 Difference]: With dead ends: 202 [2024-11-27 20:04:54,159 INFO L226 Difference]: Without dead ends: 142 [2024-11-27 20:04:54,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:04:54,160 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 8 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:54,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 414 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-27 20:04:54,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-27 20:04:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 75 states have (on average 1.7866666666666666) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:04:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-11-27 20:04:54,176 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 16 [2024-11-27 20:04:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:54,176 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-11-27 20:04:54,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-27 20:04:54,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-27 20:04:54,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:54,177 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:54,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:04:54,178 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:54,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:54,184 INFO L85 PathProgramCache]: Analyzing trace with hash 463974865, now seen corresponding path program 1 times [2024-11-27 20:04:54,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:54,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954441655] [2024-11-27 20:04:54,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252592484] [2024-11-27 20:04:54,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:54,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:54,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:54,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:04:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:54,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:04:54,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:54,342 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:54,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:54,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954441655] [2024-11-27 20:04:54,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:54,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252592484] [2024-11-27 20:04:54,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252592484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:54,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:54,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:54,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181730911] [2024-11-27 20:04:54,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:54,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:54,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:54,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:54,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:54,345 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:54,721 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-11-27 20:04:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:54,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-27 20:04:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:54,724 INFO L225 Difference]: With dead ends: 226 [2024-11-27 20:04:54,724 INFO L226 Difference]: Without dead ends: 222 [2024-11-27 20:04:54,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:54,725 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:54,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 164 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:04:54,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-27 20:04:54,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-27 20:04:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 108 states have (on average 1.8148148148148149) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 20:04:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-11-27 20:04:54,761 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 18 [2024-11-27 20:04:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:54,762 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-11-27 20:04:54,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-11-27 20:04:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-27 20:04:54,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:54,762 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:54,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:04:54,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:54,963 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:54,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -796751821, now seen corresponding path program 1 times [2024-11-27 20:04:54,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:54,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453419816] [2024-11-27 20:04:54,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:54,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:54,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709610502] [2024-11-27 20:04:54,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:54,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:54,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:54,983 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:54,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:04:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:55,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:55,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:55,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:55,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:55,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453419816] [2024-11-27 20:04:55,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:55,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709610502] [2024-11-27 20:04:55,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709610502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:55,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:55,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397754181] [2024-11-27 20:04:55,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:55,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:55,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:55,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:55,077 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:55,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:55,336 INFO L93 Difference]: Finished difference Result 285 states and 351 transitions. [2024-11-27 20:04:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:55,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-27 20:04:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:55,339 INFO L225 Difference]: With dead ends: 285 [2024-11-27 20:04:55,339 INFO L226 Difference]: Without dead ends: 277 [2024-11-27 20:04:55,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:55,341 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:55,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 241 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-27 20:04:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2024-11-27 20:04:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 158 states have (on average 1.7721518987341771) internal successors, (280), 214 states have internal predecessors, (280), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-27 20:04:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2024-11-27 20:04:55,384 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 20 [2024-11-27 20:04:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:55,384 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2024-11-27 20:04:55,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2024-11-27 20:04:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-27 20:04:55,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:55,385 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:55,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:55,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:55,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:55,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1174319467, now seen corresponding path program 1 times [2024-11-27 20:04:55,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:55,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570907234] [2024-11-27 20:04:55,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:55,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538541211] [2024-11-27 20:04:55,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:55,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:55,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:55,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:55,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:04:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:55,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:04:55,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:55,827 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:55,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570907234] [2024-11-27 20:04:55,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:55,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538541211] [2024-11-27 20:04:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538541211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:55,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:55,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:55,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012378609] [2024-11-27 20:04:55,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:55,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:55,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:55,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:55,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:55,830 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:56,242 INFO L93 Difference]: Finished difference Result 271 states and 337 transitions. [2024-11-27 20:04:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:56,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-27 20:04:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:56,245 INFO L225 Difference]: With dead ends: 271 [2024-11-27 20:04:56,245 INFO L226 Difference]: Without dead ends: 257 [2024-11-27 20:04:56,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:56,246 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 63 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:56,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 150 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:04:56,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-27 20:04:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 202. [2024-11-27 20:04:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.689922480620155) internal successors, (218), 185 states have internal predecessors, (218), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 20:04:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2024-11-27 20:04:56,259 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 22 [2024-11-27 20:04:56,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:56,259 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2024-11-27 20:04:56,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-27 20:04:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2024-11-27 20:04:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-27 20:04:56,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:56,260 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:56,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:56,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:56,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:56,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:56,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1386249094, now seen corresponding path program 1 times [2024-11-27 20:04:56,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:56,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524317427] [2024-11-27 20:04:56,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:56,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:56,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240669121] [2024-11-27 20:04:56,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:56,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:56,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:56,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:04:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:56,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:56,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:56,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:56,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:56,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524317427] [2024-11-27 20:04:56,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:56,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240669121] [2024-11-27 20:04:56,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240669121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:56,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:56,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:56,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426345757] [2024-11-27 20:04:56,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:56,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:56,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:56,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:56,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:56,586 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:56,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:56,835 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2024-11-27 20:04:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:56,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-27 20:04:56,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:56,838 INFO L225 Difference]: With dead ends: 367 [2024-11-27 20:04:56,838 INFO L226 Difference]: Without dead ends: 359 [2024-11-27 20:04:56,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:56,843 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:56,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:56,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-27 20:04:56,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 283. [2024-11-27 20:04:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.681592039800995) internal successors, (338), 257 states have internal predecessors, (338), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:04:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 384 transitions. [2024-11-27 20:04:56,871 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 384 transitions. Word has length 29 [2024-11-27 20:04:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:56,871 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 384 transitions. [2024-11-27 20:04:56,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 384 transitions. [2024-11-27 20:04:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-27 20:04:56,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:56,874 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:56,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:57,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:57,075 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:57,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash 745519688, now seen corresponding path program 1 times [2024-11-27 20:04:57,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:57,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938680663] [2024-11-27 20:04:57,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:57,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:57,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1979690608] [2024-11-27 20:04:57,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:57,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:57,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:57,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:04:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:57,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:04:57,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:57,314 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:57,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:57,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938680663] [2024-11-27 20:04:57,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:57,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979690608] [2024-11-27 20:04:57,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979690608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:57,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:57,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:57,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744390661] [2024-11-27 20:04:57,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:57,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:57,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:57,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:57,316 INFO L87 Difference]: Start difference. First operand 283 states and 384 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:57,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:57,599 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2024-11-27 20:04:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:57,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-27 20:04:57,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:57,602 INFO L225 Difference]: With dead ends: 337 [2024-11-27 20:04:57,602 INFO L226 Difference]: Without dead ends: 335 [2024-11-27 20:04:57,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:57,604 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 223 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:57,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 163 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-27 20:04:57,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-27 20:04:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 257 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:04:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2024-11-27 20:04:57,634 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 31 [2024-11-27 20:04:57,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:57,634 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2024-11-27 20:04:57,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2024-11-27 20:04:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-27 20:04:57,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:57,635 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:57,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:04:57,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:57,842 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:57,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1636273918, now seen corresponding path program 1 times [2024-11-27 20:04:57,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:57,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038741509] [2024-11-27 20:04:57,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:57,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995630693] [2024-11-27 20:04:57,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:57,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:57,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:57,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:57,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:04:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:57,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:04:57,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:58,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:58,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:58,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038741509] [2024-11-27 20:04:58,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:58,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995630693] [2024-11-27 20:04:58,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995630693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:58,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:58,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:58,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289358088] [2024-11-27 20:04:58,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:58,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:58,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:58,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:58,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:58,021 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:58,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:58,380 INFO L93 Difference]: Finished difference Result 337 states and 445 transitions. [2024-11-27 20:04:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:58,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-27 20:04:58,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:58,383 INFO L225 Difference]: With dead ends: 337 [2024-11-27 20:04:58,383 INFO L226 Difference]: Without dead ends: 335 [2024-11-27 20:04:58,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:58,384 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 230 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:58,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 158 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:04:58,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-27 20:04:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-27 20:04:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 257 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:04:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2024-11-27 20:04:58,407 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 32 [2024-11-27 20:04:58,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:58,409 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2024-11-27 20:04:58,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-27 20:04:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-27 20:04:58,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:58,410 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:58,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 20:04:58,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:58,610 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:58,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -815116022, now seen corresponding path program 1 times [2024-11-27 20:04:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512145381] [2024-11-27 20:04:58,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:58,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884545816] [2024-11-27 20:04:58,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:58,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:58,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:58,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:58,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:04:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:58,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:04:58,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:58,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:58,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:58,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512145381] [2024-11-27 20:04:58,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:58,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884545816] [2024-11-27 20:04:58,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884545816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:58,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:58,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:58,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855385876] [2024-11-27 20:04:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:58,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:58,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:58,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:58,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:58,754 INFO L87 Difference]: Start difference. First operand 283 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:59,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:59,312 INFO L93 Difference]: Finished difference Result 357 states and 449 transitions. [2024-11-27 20:04:59,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:59,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-27 20:04:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:59,315 INFO L225 Difference]: With dead ends: 357 [2024-11-27 20:04:59,315 INFO L226 Difference]: Without dead ends: 355 [2024-11-27 20:04:59,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:59,316 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 90 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:59,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 242 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:04:59,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-27 20:04:59,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2024-11-27 20:04:59,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 258 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:04:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2024-11-27 20:04:59,334 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 33 [2024-11-27 20:04:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:59,335 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-11-27 20:04:59,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:04:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2024-11-27 20:04:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-27 20:04:59,336 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:59,336 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:59,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:59,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:04:59,537 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:04:59,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:59,537 INFO L85 PathProgramCache]: Analyzing trace with hash 501207168, now seen corresponding path program 1 times [2024-11-27 20:04:59,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:59,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124581833] [2024-11-27 20:04:59,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:59,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:59,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134481611] [2024-11-27 20:04:59,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:59,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:59,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:59,576 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:59,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:04:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:59,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:04:59,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:59,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:59,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:59,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124581833] [2024-11-27 20:04:59,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:59,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134481611] [2024-11-27 20:04:59,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134481611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:59,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:59,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:59,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567671044] [2024-11-27 20:04:59,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:59,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:59,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:59,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:59,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:59,741 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:05:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:00,401 INFO L93 Difference]: Finished difference Result 357 states and 445 transitions. [2024-11-27 20:05:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:00,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-27 20:05:00,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:00,404 INFO L225 Difference]: With dead ends: 357 [2024-11-27 20:05:00,407 INFO L226 Difference]: Without dead ends: 355 [2024-11-27 20:05:00,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:00,408 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 147 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:00,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 207 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:05:00,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-27 20:05:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 285. [2024-11-27 20:05:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 203 states have (on average 1.6059113300492611) internal successors, (326), 259 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2024-11-27 20:05:00,429 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 34 [2024-11-27 20:05:00,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:00,429 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2024-11-27 20:05:00,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:05:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2024-11-27 20:05:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 20:05:00,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:00,433 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:00,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:00,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 20:05:00,636 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:00,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:00,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1395211415, now seen corresponding path program 1 times [2024-11-27 20:05:00,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:00,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203586473] [2024-11-27 20:05:00,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:00,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:00,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942909480] [2024-11-27 20:05:00,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:00,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:00,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:00,680 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:05:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:00,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:00,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:05:00,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:00,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:00,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203586473] [2024-11-27 20:05:00,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:00,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942909480] [2024-11-27 20:05:00,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942909480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:00,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:00,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:00,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230877691] [2024-11-27 20:05:00,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:00,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:00,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:00,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:00,877 INFO L87 Difference]: Start difference. First operand 285 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:01,145 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2024-11-27 20:05:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-27 20:05:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:01,148 INFO L225 Difference]: With dead ends: 308 [2024-11-27 20:05:01,148 INFO L226 Difference]: Without dead ends: 306 [2024-11-27 20:05:01,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:01,149 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 216 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:01,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 159 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:05:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-27 20:05:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2024-11-27 20:05:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 204 states have (on average 1.5931372549019607) internal successors, (325), 260 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2024-11-27 20:05:01,167 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 42 [2024-11-27 20:05:01,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:01,167 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2024-11-27 20:05:01,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2024-11-27 20:05:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 20:05:01,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:01,168 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:01,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:01,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:05:01,370 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:01,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -301880822, now seen corresponding path program 1 times [2024-11-27 20:05:01,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:01,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554261764] [2024-11-27 20:05:01,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:01,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:01,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845983545] [2024-11-27 20:05:01,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:01,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:01,409 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:01,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:05:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:01,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:01,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:05:01,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:01,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554261764] [2024-11-27 20:05:01,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845983545] [2024-11-27 20:05:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845983545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:01,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:01,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:01,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021269847] [2024-11-27 20:05:01,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:01,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:01,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:01,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:01,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:01,586 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:01,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:01,845 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2024-11-27 20:05:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:01,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-27 20:05:01,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:01,847 INFO L225 Difference]: With dead ends: 308 [2024-11-27 20:05:01,848 INFO L226 Difference]: Without dead ends: 306 [2024-11-27 20:05:01,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:01,849 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 199 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:01,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 173 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:05:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-27 20:05:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2024-11-27 20:05:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 261 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2024-11-27 20:05:01,866 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 43 [2024-11-27 20:05:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:01,867 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2024-11-27 20:05:01,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2024-11-27 20:05:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 20:05:01,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:01,868 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:01,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:02,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:02,073 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:02,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash -768370805, now seen corresponding path program 1 times [2024-11-27 20:05:02,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024432481] [2024-11-27 20:05:02,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:02,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95773146] [2024-11-27 20:05:02,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:02,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:02,099 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:02,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:05:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:02,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:02,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:05:02,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:02,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024432481] [2024-11-27 20:05:02,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95773146] [2024-11-27 20:05:02,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95773146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:02,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:02,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:02,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199519114] [2024-11-27 20:05:02,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:02,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:02,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:02,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:02,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:02,214 INFO L87 Difference]: Start difference. First operand 287 states and 370 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:02,536 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2024-11-27 20:05:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-27 20:05:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:02,538 INFO L225 Difference]: With dead ends: 316 [2024-11-27 20:05:02,538 INFO L226 Difference]: Without dead ends: 314 [2024-11-27 20:05:02,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:02,539 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 134 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:02,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 211 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-27 20:05:02,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2024-11-27 20:05:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 262 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 369 transitions. [2024-11-27 20:05:02,557 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 369 transitions. Word has length 44 [2024-11-27 20:05:02,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:02,558 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 369 transitions. [2024-11-27 20:05:02,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 369 transitions. [2024-11-27 20:05:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-27 20:05:02,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:02,559 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:02,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:02,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:02,759 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:02,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1950308908, now seen corresponding path program 1 times [2024-11-27 20:05:02,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:02,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404726095] [2024-11-27 20:05:02,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:02,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431546683] [2024-11-27 20:05:02,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:02,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:02,791 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:02,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:05:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:02,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:02,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 20:05:02,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:02,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404726095] [2024-11-27 20:05:02,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431546683] [2024-11-27 20:05:02,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431546683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:02,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:02,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:02,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3280928] [2024-11-27 20:05:02,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:02,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:02,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:02,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:02,956 INFO L87 Difference]: Start difference. First operand 288 states and 369 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:03,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:03,418 INFO L93 Difference]: Finished difference Result 316 states and 374 transitions. [2024-11-27 20:05:03,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:03,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-27 20:05:03,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:03,421 INFO L225 Difference]: With dead ends: 316 [2024-11-27 20:05:03,421 INFO L226 Difference]: Without dead ends: 314 [2024-11-27 20:05:03,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:03,422 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 133 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:03,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 237 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:05:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-27 20:05:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 289. [2024-11-27 20:05:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 263 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 368 transitions. [2024-11-27 20:05:03,466 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 368 transitions. Word has length 45 [2024-11-27 20:05:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:03,466 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 368 transitions. [2024-11-27 20:05:03,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:05:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2024-11-27 20:05:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:05:03,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:03,467 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:03,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:03,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:05:03,668 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:03,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:03,669 INFO L85 PathProgramCache]: Analyzing trace with hash -518818141, now seen corresponding path program 1 times [2024-11-27 20:05:03,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:03,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014929190] [2024-11-27 20:05:03,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:03,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:03,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014929190] [2024-11-27 20:05:03,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014929190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:03,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:03,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:03,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963780141] [2024-11-27 20:05:03,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:03,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:03,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:03,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:03,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:03,774 INFO L87 Difference]: Start difference. First operand 289 states and 368 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 20:05:03,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:03,848 INFO L93 Difference]: Finished difference Result 380 states and 485 transitions. [2024-11-27 20:05:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:03,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-27 20:05:03,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:03,850 INFO L225 Difference]: With dead ends: 380 [2024-11-27 20:05:03,851 INFO L226 Difference]: Without dead ends: 378 [2024-11-27 20:05:03,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:03,851 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 46 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:03,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 307 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:05:03,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-27 20:05:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-11-27 20:05:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.5333333333333334) internal successors, (322), 265 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2024-11-27 20:05:03,870 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 52 [2024-11-27 20:05:03,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:03,870 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2024-11-27 20:05:03,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 20:05:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2024-11-27 20:05:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-27 20:05:03,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:03,872 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:03,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:05:03,872 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:03,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1096506943, now seen corresponding path program 1 times [2024-11-27 20:05:03,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:03,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469203227] [2024-11-27 20:05:03,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:03,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:03,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469203227] [2024-11-27 20:05:03,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469203227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:03,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:03,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:03,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585605201] [2024-11-27 20:05:03,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:03,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:03,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:03,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:03,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:03,929 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 20:05:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:03,991 INFO L93 Difference]: Finished difference Result 379 states and 479 transitions. [2024-11-27 20:05:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-27 20:05:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:03,994 INFO L225 Difference]: With dead ends: 379 [2024-11-27 20:05:03,995 INFO L226 Difference]: Without dead ends: 377 [2024-11-27 20:05:03,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:03,996 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 45 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:03,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:05:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-27 20:05:04,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-27 20:05:04,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.5023474178403755) internal successors, (320), 267 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2024-11-27 20:05:04,014 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 53 [2024-11-27 20:05:04,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:04,014 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2024-11-27 20:05:04,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-27 20:05:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2024-11-27 20:05:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-27 20:05:04,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:04,015 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:04,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:05:04,016 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:04,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash -367981295, now seen corresponding path program 1 times [2024-11-27 20:05:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:04,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133612662] [2024-11-27 20:05:04,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:04,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:04,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133612662] [2024-11-27 20:05:04,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133612662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:04,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:04,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:04,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649571683] [2024-11-27 20:05:04,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:04,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:04,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:04,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:04,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:04,163 INFO L87 Difference]: Start difference. First operand 293 states and 366 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:04,509 INFO L93 Difference]: Finished difference Result 378 states and 471 transitions. [2024-11-27 20:05:04,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:05:04,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-27 20:05:04,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:04,512 INFO L225 Difference]: With dead ends: 378 [2024-11-27 20:05:04,512 INFO L226 Difference]: Without dead ends: 377 [2024-11-27 20:05:04,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:05:04,513 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 177 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:04,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 189 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:04,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-27 20:05:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-27 20:05:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.4976525821596245) internal successors, (319), 267 states have internal predecessors, (319), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 365 transitions. [2024-11-27 20:05:04,536 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 365 transitions. Word has length 54 [2024-11-27 20:05:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:04,537 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 365 transitions. [2024-11-27 20:05:04,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 365 transitions. [2024-11-27 20:05:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-27 20:05:04,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:04,539 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:04,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:05:04,539 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:04,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:04,540 INFO L85 PathProgramCache]: Analyzing trace with hash -367995197, now seen corresponding path program 1 times [2024-11-27 20:05:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:04,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702725026] [2024-11-27 20:05:04,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:04,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:04,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:04,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702725026] [2024-11-27 20:05:04,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702725026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:04,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:04,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:04,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848398967] [2024-11-27 20:05:04,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:04,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:04,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:04,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:04,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:04,679 INFO L87 Difference]: Start difference. First operand 293 states and 365 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:05,031 INFO L93 Difference]: Finished difference Result 380 states and 473 transitions. [2024-11-27 20:05:05,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:05:05,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-27 20:05:05,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:05,033 INFO L225 Difference]: With dead ends: 380 [2024-11-27 20:05:05,033 INFO L226 Difference]: Without dead ends: 379 [2024-11-27 20:05:05,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:05:05,034 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 186 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:05,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 174 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:05,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-27 20:05:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-11-27 20:05:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 269 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-27 20:05:05,055 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 54 [2024-11-27 20:05:05,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:05,055 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-27 20:05:05,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-27 20:05:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-27 20:05:05,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:05,056 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:05,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:05:05,057 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:05,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:05,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1774104699, now seen corresponding path program 1 times [2024-11-27 20:05:05,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:05,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875907169] [2024-11-27 20:05:05,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:05,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:05,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:05,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875907169] [2024-11-27 20:05:05,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875907169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:05,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:05,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:05:05,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019440328] [2024-11-27 20:05:05,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:05,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:05:05,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:05,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:05:05,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:05,137 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:05,344 INFO L93 Difference]: Finished difference Result 355 states and 435 transitions. [2024-11-27 20:05:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-27 20:05:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:05,347 INFO L225 Difference]: With dead ends: 355 [2024-11-27 20:05:05,347 INFO L226 Difference]: Without dead ends: 351 [2024-11-27 20:05:05,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:05:05,348 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 47 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:05,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 178 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:05:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-27 20:05:05,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 305. [2024-11-27 20:05:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 279 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-27 20:05:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions. [2024-11-27 20:05:05,370 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 57 [2024-11-27 20:05:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:05,370 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions. [2024-11-27 20:05:05,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions. [2024-11-27 20:05:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-27 20:05:05,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:05,371 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:05,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:05:05,371 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:05,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:05,372 INFO L85 PathProgramCache]: Analyzing trace with hash -292810284, now seen corresponding path program 1 times [2024-11-27 20:05:05,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:05,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356087198] [2024-11-27 20:05:05,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:05,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:05,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:05,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356087198] [2024-11-27 20:05:05,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356087198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:05,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841040844] [2024-11-27 20:05:05,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:05,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:05,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:05,488 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:05,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:05:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:05,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:05,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:05,651 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:05,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841040844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:05,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:05,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-27 20:05:05,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669424036] [2024-11-27 20:05:05,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:05,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:05:05,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:05,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:05:05,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:05:05,653 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:05,759 INFO L93 Difference]: Finished difference Result 397 states and 486 transitions. [2024-11-27 20:05:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:05:05,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2024-11-27 20:05:05,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:05,762 INFO L225 Difference]: With dead ends: 397 [2024-11-27 20:05:05,762 INFO L226 Difference]: Without dead ends: 396 [2024-11-27 20:05:05,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:05:05,763 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 104 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:05,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:05:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-27 20:05:05,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2024-11-27 20:05:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4814814814814814) internal successors, (400), 325 states have internal predecessors, (400), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 20:05:05,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2024-11-27 20:05:05,793 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 61 [2024-11-27 20:05:05,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:05,793 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2024-11-27 20:05:05,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:05,794 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2024-11-27 20:05:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 20:05:05,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:05,794 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:05,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:05,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:05,996 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:05,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:05,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2077160089, now seen corresponding path program 1 times [2024-11-27 20:05:05,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:05,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574850666] [2024-11-27 20:05:05,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:06,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323410238] [2024-11-27 20:05:06,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:06,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:06,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:06,025 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:06,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:05:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:06,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:05:06,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:06,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:06,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:06,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574850666] [2024-11-27 20:05:06,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:06,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323410238] [2024-11-27 20:05:06,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323410238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:06,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:06,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-27 20:05:06,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057759447] [2024-11-27 20:05:06,567 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:06,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:06,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:06,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:06,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:06,569 INFO L87 Difference]: Start difference. First operand 358 states and 462 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:06,828 INFO L93 Difference]: Finished difference Result 408 states and 527 transitions. [2024-11-27 20:05:06,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:06,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2024-11-27 20:05:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:06,832 INFO L225 Difference]: With dead ends: 408 [2024-11-27 20:05:06,832 INFO L226 Difference]: Without dead ends: 406 [2024-11-27 20:05:06,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:06,835 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:06,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 144 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:05:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-27 20:05:06,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 360. [2024-11-27 20:05:06,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.474264705882353) internal successors, (401), 327 states have internal predecessors, (401), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 20:05:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 463 transitions. [2024-11-27 20:05:06,867 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 463 transitions. Word has length 63 [2024-11-27 20:05:06,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:06,867 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 463 transitions. [2024-11-27 20:05:06,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 463 transitions. [2024-11-27 20:05:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-27 20:05:06,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:06,868 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:06,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:07,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 20:05:07,069 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:07,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:07,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2077160228, now seen corresponding path program 1 times [2024-11-27 20:05:07,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:07,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803209053] [2024-11-27 20:05:07,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:07,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:07,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:07,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803209053] [2024-11-27 20:05:07,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803209053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:07,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543368700] [2024-11-27 20:05:07,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:07,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:07,240 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:05:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:07,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:05:07,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:07,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:07,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543368700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:07,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:07,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 6] total 13 [2024-11-27 20:05:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374972431] [2024-11-27 20:05:07,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:07,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:05:07,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:07,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:05:07,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:05:07,592 INFO L87 Difference]: Start difference. First operand 360 states and 463 transitions. Second operand has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:05:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:09,319 INFO L93 Difference]: Finished difference Result 964 states and 1155 transitions. [2024-11-27 20:05:09,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 20:05:09,320 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 63 [2024-11-27 20:05:09,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:09,324 INFO L225 Difference]: With dead ends: 964 [2024-11-27 20:05:09,324 INFO L226 Difference]: Without dead ends: 862 [2024-11-27 20:05:09,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 20:05:09,328 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 849 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:09,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 695 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:05:09,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-27 20:05:09,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 690. [2024-11-27 20:05:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4595070422535212) internal successors, (829), 628 states have internal predecessors, (829), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:09,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 953 transitions. [2024-11-27 20:05:09,405 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 953 transitions. Word has length 63 [2024-11-27 20:05:09,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:09,405 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 953 transitions. [2024-11-27 20:05:09,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:05:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 953 transitions. [2024-11-27 20:05:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-27 20:05:09,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:09,406 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:09,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:09,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 20:05:09,607 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:09,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1469782244, now seen corresponding path program 1 times [2024-11-27 20:05:09,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:09,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977524874] [2024-11-27 20:05:09,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-27 20:05:09,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977524874] [2024-11-27 20:05:09,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977524874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:09,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844412328] [2024-11-27 20:05:09,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:09,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:09,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:09,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:05:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:09,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:05:09,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:05:10,098 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:10,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844412328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:10,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-27 20:05:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211455760] [2024-11-27 20:05:10,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:10,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:10,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:10,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:10,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:10,100 INFO L87 Difference]: Start difference. First operand 690 states and 953 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:10,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:10,699 INFO L93 Difference]: Finished difference Result 737 states and 1025 transitions. [2024-11-27 20:05:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:05:10,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2024-11-27 20:05:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:10,703 INFO L225 Difference]: With dead ends: 737 [2024-11-27 20:05:10,704 INFO L226 Difference]: Without dead ends: 736 [2024-11-27 20:05:10,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:05:10,705 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 90 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:10,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 137 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:05:10,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-27 20:05:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 690. [2024-11-27 20:05:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4524647887323943) internal successors, (825), 628 states have internal predecessors, (825), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 949 transitions. [2024-11-27 20:05:10,792 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 949 transitions. Word has length 65 [2024-11-27 20:05:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:10,793 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 949 transitions. [2024-11-27 20:05:10,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 949 transitions. [2024-11-27 20:05:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 20:05:10,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:10,794 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:10,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:10,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 20:05:10,994 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:10,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash -32546628, now seen corresponding path program 1 times [2024-11-27 20:05:10,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:10,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497877060] [2024-11-27 20:05:10,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:11,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143295187] [2024-11-27 20:05:11,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:11,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:11,012 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:05:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:11,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:05:11,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:11,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:11,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:11,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497877060] [2024-11-27 20:05:11,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:11,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143295187] [2024-11-27 20:05:11,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143295187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:11,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:11,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-27 20:05:11,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873238340] [2024-11-27 20:05:11,629 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:11,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:11,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:11,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:11,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:11,630 INFO L87 Difference]: Start difference. First operand 690 states and 949 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:11,939 INFO L93 Difference]: Finished difference Result 732 states and 1006 transitions. [2024-11-27 20:05:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:05:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-27 20:05:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:11,945 INFO L225 Difference]: With dead ends: 732 [2024-11-27 20:05:11,945 INFO L226 Difference]: Without dead ends: 730 [2024-11-27 20:05:11,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:11,946 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:11,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 150 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:05:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-27 20:05:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 693. [2024-11-27 20:05:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4430823117338003) internal successors, (824), 631 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 948 transitions. [2024-11-27 20:05:12,010 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 948 transitions. Word has length 64 [2024-11-27 20:05:12,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:12,011 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 948 transitions. [2024-11-27 20:05:12,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 948 transitions. [2024-11-27 20:05:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-27 20:05:12,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:12,016 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:12,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 20:05:12,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:12,216 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:12,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:12,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1681390839, now seen corresponding path program 1 times [2024-11-27 20:05:12,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:12,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544161692] [2024-11-27 20:05:12,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:12,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:12,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544161692] [2024-11-27 20:05:12,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544161692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:12,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86077144] [2024-11-27 20:05:12,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:12,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:12,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:12,407 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:12,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:05:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:12,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:05:12,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:05:12,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:12,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86077144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:12,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:12,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-27 20:05:12,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389196433] [2024-11-27 20:05:12,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:12,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:12,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:12,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:12,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:12,736 INFO L87 Difference]: Start difference. First operand 693 states and 948 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:13,354 INFO L93 Difference]: Finished difference Result 737 states and 1014 transitions. [2024-11-27 20:05:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:13,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-27 20:05:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:13,357 INFO L225 Difference]: With dead ends: 737 [2024-11-27 20:05:13,358 INFO L226 Difference]: Without dead ends: 736 [2024-11-27 20:05:13,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:05:13,359 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 87 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:13,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 148 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:05:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-27 20:05:13,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-27 20:05:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.436077057793345) internal successors, (820), 631 states have internal predecessors, (820), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 944 transitions. [2024-11-27 20:05:13,446 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 944 transitions. Word has length 66 [2024-11-27 20:05:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:13,446 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 944 transitions. [2024-11-27 20:05:13,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 944 transitions. [2024-11-27 20:05:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-27 20:05:13,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:13,447 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:13,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 20:05:13,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 20:05:13,648 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:13,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1066068829, now seen corresponding path program 1 times [2024-11-27 20:05:13,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:13,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112457879] [2024-11-27 20:05:13,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:13,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:13,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10353676] [2024-11-27 20:05:13,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:13,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:13,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:13,679 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:13,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 20:05:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:13,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:13,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-27 20:05:13,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:13,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:13,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112457879] [2024-11-27 20:05:13,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:13,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10353676] [2024-11-27 20:05:13,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10353676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:13,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:13,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:13,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650719583] [2024-11-27 20:05:13,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:13,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:13,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:13,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:13,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:13,810 INFO L87 Difference]: Start difference. First operand 693 states and 944 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:14,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:14,278 INFO L93 Difference]: Finished difference Result 745 states and 995 transitions. [2024-11-27 20:05:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:14,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-27 20:05:14,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:14,282 INFO L225 Difference]: With dead ends: 745 [2024-11-27 20:05:14,282 INFO L226 Difference]: Without dead ends: 744 [2024-11-27 20:05:14,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:14,283 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 80 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:14,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 226 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:05:14,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-27 20:05:14,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 693. [2024-11-27 20:05:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4308231173380035) internal successors, (817), 631 states have internal predecessors, (817), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2024-11-27 20:05:14,344 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 67 [2024-11-27 20:05:14,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:14,345 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2024-11-27 20:05:14,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2024-11-27 20:05:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 20:05:14,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:14,346 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:14,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-27 20:05:14,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-27 20:05:14,546 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:14,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1311604608, now seen corresponding path program 1 times [2024-11-27 20:05:14,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:14,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757752744] [2024-11-27 20:05:14,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:14,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:14,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008490272] [2024-11-27 20:05:14,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:14,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:14,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:14,563 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:14,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 20:05:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:14,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:14,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-27 20:05:14,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:14,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:14,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757752744] [2024-11-27 20:05:14,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:14,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008490272] [2024-11-27 20:05:14,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008490272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:14,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:14,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:05:14,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981810507] [2024-11-27 20:05:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:14,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:05:14,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:14,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:05:14,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:14,773 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:15,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:15,123 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2024-11-27 20:05:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:05:15,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-27 20:05:15,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:15,135 INFO L225 Difference]: With dead ends: 747 [2024-11-27 20:05:15,135 INFO L226 Difference]: Without dead ends: 744 [2024-11-27 20:05:15,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:05:15,136 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:15,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 177 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:15,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-27 20:05:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 702. [2024-11-27 20:05:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 580 states have (on average 1.4206896551724137) internal successors, (824), 640 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-27 20:05:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 948 transitions. [2024-11-27 20:05:15,196 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 948 transitions. Word has length 68 [2024-11-27 20:05:15,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:15,196 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 948 transitions. [2024-11-27 20:05:15,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:05:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 948 transitions. [2024-11-27 20:05:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-27 20:05:15,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:15,198 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:15,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-27 20:05:15,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-27 20:05:15,399 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:15,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1650906864, now seen corresponding path program 1 times [2024-11-27 20:05:15,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:15,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44848776] [2024-11-27 20:05:15,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:15,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045420533] [2024-11-27 20:05:15,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:15,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:15,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:15,422 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:15,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 20:05:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:15,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:15,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:15,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:16,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:16,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44848776] [2024-11-27 20:05:16,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:16,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045420533] [2024-11-27 20:05:16,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045420533] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:16,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:16,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:16,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798647743] [2024-11-27 20:05:16,533 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:16,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:16,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:16,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:16,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 20:05:16,534 INFO L87 Difference]: Start difference. First operand 702 states and 948 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:17,212 INFO L93 Difference]: Finished difference Result 859 states and 1165 transitions. [2024-11-27 20:05:17,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:05:17,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-27 20:05:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:17,216 INFO L225 Difference]: With dead ends: 859 [2024-11-27 20:05:17,216 INFO L226 Difference]: Without dead ends: 855 [2024-11-27 20:05:17,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 20:05:17,217 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 390 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:17,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 331 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:05:17,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-27 20:05:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 763. [2024-11-27 20:05:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 633 states have (on average 1.4360189573459716) internal successors, (909), 695 states have internal predecessors, (909), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:05:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1049 transitions. [2024-11-27 20:05:17,303 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1049 transitions. Word has length 74 [2024-11-27 20:05:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:17,303 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1049 transitions. [2024-11-27 20:05:17,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1049 transitions. [2024-11-27 20:05:17,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 20:05:17,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:17,304 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:17,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-27 20:05:17,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-27 20:05:17,509 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:17,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:17,509 INFO L85 PathProgramCache]: Analyzing trace with hash -361494702, now seen corresponding path program 1 times [2024-11-27 20:05:17,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:17,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965946941] [2024-11-27 20:05:17,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:17,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:17,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549207594] [2024-11-27 20:05:17,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:17,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:17,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:17,532 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:17,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-27 20:05:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:17,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:17,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:17,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:18,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965946941] [2024-11-27 20:05:18,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549207594] [2024-11-27 20:05:18,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549207594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:18,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:18,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:18,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017471979] [2024-11-27 20:05:18,401 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:18,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:18,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:18,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:18,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:18,402 INFO L87 Difference]: Start difference. First operand 763 states and 1049 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:18,915 INFO L93 Difference]: Finished difference Result 785 states and 1062 transitions. [2024-11-27 20:05:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:05:18,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-27 20:05:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:18,918 INFO L225 Difference]: With dead ends: 785 [2024-11-27 20:05:18,919 INFO L226 Difference]: Without dead ends: 779 [2024-11-27 20:05:18,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:05:18,920 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 149 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:18,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 425 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:05:18,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-27 20:05:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 757. [2024-11-27 20:05:18,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 633 states have (on average 1.387045813586098) internal successors, (878), 689 states have internal predecessors, (878), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-27 20:05:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1018 transitions. [2024-11-27 20:05:18,985 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1018 transitions. Word has length 75 [2024-11-27 20:05:18,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:18,985 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1018 transitions. [2024-11-27 20:05:18,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1018 transitions. [2024-11-27 20:05:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-27 20:05:18,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:18,987 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:18,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:19,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:19,188 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:19,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:19,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1678566194, now seen corresponding path program 1 times [2024-11-27 20:05:19,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:19,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352607054] [2024-11-27 20:05:19,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:19,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136535429] [2024-11-27 20:05:19,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:19,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:19,211 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:19,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-27 20:05:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:19,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:05:19,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:19,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:19,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:19,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352607054] [2024-11-27 20:05:19,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:19,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136535429] [2024-11-27 20:05:19,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136535429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:19,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:19,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:05:19,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801946411] [2024-11-27 20:05:19,931 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:19,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:05:19,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:19,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:05:19,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:05:19,933 INFO L87 Difference]: Start difference. First operand 757 states and 1018 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:20,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:20,821 INFO L93 Difference]: Finished difference Result 994 states and 1384 transitions. [2024-11-27 20:05:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:20,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-27 20:05:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:20,825 INFO L225 Difference]: With dead ends: 994 [2024-11-27 20:05:20,825 INFO L226 Difference]: Without dead ends: 986 [2024-11-27 20:05:20,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:05:20,825 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 564 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:20,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 271 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:05:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-27 20:05:20,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 952. [2024-11-27 20:05:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 808 states have (on average 1.426980198019802) internal successors, (1153), 866 states have internal predecessors, (1153), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-27 20:05:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1333 transitions. [2024-11-27 20:05:20,918 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1333 transitions. Word has length 76 [2024-11-27 20:05:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:20,918 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1333 transitions. [2024-11-27 20:05:20,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1333 transitions. [2024-11-27 20:05:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-27 20:05:20,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:20,920 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:20,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:21,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-27 20:05:21,124 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:21,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:21,124 INFO L85 PathProgramCache]: Analyzing trace with hash 495944532, now seen corresponding path program 1 times [2024-11-27 20:05:21,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:21,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65914453] [2024-11-27 20:05:21,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:21,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:21,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [299651178] [2024-11-27 20:05:21,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:21,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:21,147 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:21,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-27 20:05:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:21,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:05:21,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:21,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:22,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65914453] [2024-11-27 20:05:22,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:22,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299651178] [2024-11-27 20:05:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299651178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:22,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:22,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:05:22,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336269123] [2024-11-27 20:05:22,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:22,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:05:22,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:22,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:05:22,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:05:22,089 INFO L87 Difference]: Start difference. First operand 952 states and 1333 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:23,124 INFO L93 Difference]: Finished difference Result 1074 states and 1503 transitions. [2024-11-27 20:05:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:23,125 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-27 20:05:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:23,128 INFO L225 Difference]: With dead ends: 1074 [2024-11-27 20:05:23,128 INFO L226 Difference]: Without dead ends: 1072 [2024-11-27 20:05:23,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:05:23,130 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 371 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:23,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 345 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:05:23,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2024-11-27 20:05:23,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 999. [2024-11-27 20:05:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 850 states have (on average 1.4164705882352941) internal successors, (1204), 908 states have internal predecessors, (1204), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-27 20:05:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1394 transitions. [2024-11-27 20:05:23,234 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1394 transitions. Word has length 77 [2024-11-27 20:05:23,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:23,234 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1394 transitions. [2024-11-27 20:05:23,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1394 transitions. [2024-11-27 20:05:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 20:05:23,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:23,239 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:23,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-27 20:05:23,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-27 20:05:23,440 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:23,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:23,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1805588620, now seen corresponding path program 1 times [2024-11-27 20:05:23,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:23,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719142074] [2024-11-27 20:05:23,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:23,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:23,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633144665] [2024-11-27 20:05:23,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:23,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:23,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:23,458 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:23,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-27 20:05:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:23,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 20:05:23,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:05:24,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:24,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719142074] [2024-11-27 20:05:24,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633144665] [2024-11-27 20:05:24,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633144665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:24,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:24,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:05:24,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543367886] [2024-11-27 20:05:24,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:24,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:05:24,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:24,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:05:24,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:05:24,268 INFO L87 Difference]: Start difference. First operand 999 states and 1394 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:26,099 INFO L93 Difference]: Finished difference Result 1083 states and 1498 transitions. [2024-11-27 20:05:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:05:26,100 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-11-27 20:05:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:26,104 INFO L225 Difference]: With dead ends: 1083 [2024-11-27 20:05:26,105 INFO L226 Difference]: Without dead ends: 997 [2024-11-27 20:05:26,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:05:26,106 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 342 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:26,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 436 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 20:05:26,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-11-27 20:05:26,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 865. [2024-11-27 20:05:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 732 states have (on average 1.4207650273224044) internal successors, (1040), 788 states have internal predecessors, (1040), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 20:05:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1198 transitions. [2024-11-27 20:05:26,214 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1198 transitions. Word has length 78 [2024-11-27 20:05:26,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:26,214 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1198 transitions. [2024-11-27 20:05:26,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1198 transitions. [2024-11-27 20:05:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 20:05:26,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:26,216 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:26,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-27 20:05:26,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:26,417 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:26,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:26,417 INFO L85 PathProgramCache]: Analyzing trace with hash -138672298, now seen corresponding path program 1 times [2024-11-27 20:05:26,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:26,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721788350] [2024-11-27 20:05:26,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:26,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9861389] [2024-11-27 20:05:26,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:26,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:26,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:26,449 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:26,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-27 20:05:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:26,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:26,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-27 20:05:26,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:27,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:27,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721788350] [2024-11-27 20:05:27,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:27,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9861389] [2024-11-27 20:05:27,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9861389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:27,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:27,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:27,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210538806] [2024-11-27 20:05:27,001 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:27,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:27,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:27,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:27,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:27,002 INFO L87 Difference]: Start difference. First operand 865 states and 1198 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:27,753 INFO L93 Difference]: Finished difference Result 949 states and 1314 transitions. [2024-11-27 20:05:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:05:27,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-27 20:05:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:27,757 INFO L225 Difference]: With dead ends: 949 [2024-11-27 20:05:27,757 INFO L226 Difference]: Without dead ends: 945 [2024-11-27 20:05:27,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:05:27,758 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 254 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:27,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 381 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:05:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-11-27 20:05:27,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927. [2024-11-27 20:05:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 790 states have (on average 1.4063291139240506) internal successors, (1111), 844 states have internal predecessors, (1111), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-27 20:05:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1281 transitions. [2024-11-27 20:05:27,842 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1281 transitions. Word has length 79 [2024-11-27 20:05:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:27,842 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1281 transitions. [2024-11-27 20:05:27,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:05:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1281 transitions. [2024-11-27 20:05:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-27 20:05:27,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:27,843 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:27,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-27 20:05:28,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-27 20:05:28,044 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:28,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:28,044 INFO L85 PathProgramCache]: Analyzing trace with hash 174877199, now seen corresponding path program 1 times [2024-11-27 20:05:28,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:28,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941053809] [2024-11-27 20:05:28,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:28,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563802200] [2024-11-27 20:05:28,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:28,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:28,065 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:28,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-27 20:05:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:28,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:28,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-27 20:05:28,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:30,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:30,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941053809] [2024-11-27 20:05:30,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:30,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563802200] [2024-11-27 20:05:30,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563802200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:30,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:30,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839557227] [2024-11-27 20:05:30,658 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:30,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:30,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:30,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:30,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 20:05:30,659 INFO L87 Difference]: Start difference. First operand 927 states and 1281 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:31,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:31,174 INFO L93 Difference]: Finished difference Result 1177 states and 1663 transitions. [2024-11-27 20:05:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:05:31,178 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-11-27 20:05:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:31,186 INFO L225 Difference]: With dead ends: 1177 [2024-11-27 20:05:31,186 INFO L226 Difference]: Without dead ends: 1175 [2024-11-27 20:05:31,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-27 20:05:31,188 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 367 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:31,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 319 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:05:31,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-27 20:05:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1133. [2024-11-27 20:05:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 973 states have (on average 1.4409044193216856) internal successors, (1402), 1028 states have internal predecessors, (1402), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-27 20:05:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1618 transitions. [2024-11-27 20:05:31,305 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1618 transitions. Word has length 85 [2024-11-27 20:05:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:31,306 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1618 transitions. [2024-11-27 20:05:31,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1618 transitions. [2024-11-27 20:05:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 20:05:31,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:31,307 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:31,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:31,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:31,508 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:31,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:31,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1126225952, now seen corresponding path program 1 times [2024-11-27 20:05:31,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:31,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740049156] [2024-11-27 20:05:31,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:31,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:31,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280857855] [2024-11-27 20:05:31,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:31,528 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-27 20:05:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:31,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:31,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-27 20:05:31,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740049156] [2024-11-27 20:05:32,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280857855] [2024-11-27 20:05:32,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280857855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:32,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:32,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:32,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618744181] [2024-11-27 20:05:32,365 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:32,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:32,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:32,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:32,366 INFO L87 Difference]: Start difference. First operand 1133 states and 1618 transitions. Second operand has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:32,777 INFO L93 Difference]: Finished difference Result 1138 states and 1618 transitions. [2024-11-27 20:05:32,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:05:32,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 86 [2024-11-27 20:05:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:32,782 INFO L225 Difference]: With dead ends: 1138 [2024-11-27 20:05:32,782 INFO L226 Difference]: Without dead ends: 1132 [2024-11-27 20:05:32,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:05:32,783 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 205 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:32,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 290 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:05:32,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-27 20:05:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 925. [2024-11-27 20:05:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.3467843631778058) internal successors, (1068), 839 states have internal predecessors, (1068), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-27 20:05:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1240 transitions. [2024-11-27 20:05:32,872 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1240 transitions. Word has length 86 [2024-11-27 20:05:32,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:32,873 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1240 transitions. [2024-11-27 20:05:32,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1240 transitions. [2024-11-27 20:05:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-27 20:05:32,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:32,874 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:32,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-27 20:05:33,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-27 20:05:33,075 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:33,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:33,075 INFO L85 PathProgramCache]: Analyzing trace with hash -887099821, now seen corresponding path program 1 times [2024-11-27 20:05:33,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:33,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669393624] [2024-11-27 20:05:33,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:33,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:33,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581447502] [2024-11-27 20:05:33,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:33,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:33,093 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:33,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-27 20:05:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:33,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:05:33,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-27 20:05:33,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:33,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:33,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669393624] [2024-11-27 20:05:33,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:33,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581447502] [2024-11-27 20:05:33,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581447502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:33,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:33,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:05:33,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290513482] [2024-11-27 20:05:33,656 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:33,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:05:33,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:33,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:05:33,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:05:33,658 INFO L87 Difference]: Start difference. First operand 925 states and 1240 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:05:34,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:34,473 INFO L93 Difference]: Finished difference Result 1169 states and 1609 transitions. [2024-11-27 20:05:34,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:05:34,474 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 89 [2024-11-27 20:05:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:34,478 INFO L225 Difference]: With dead ends: 1169 [2024-11-27 20:05:34,478 INFO L226 Difference]: Without dead ends: 1165 [2024-11-27 20:05:34,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:05:34,480 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 307 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:34,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 349 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:05:34,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2024-11-27 20:05:34,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1047. [2024-11-27 20:05:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 901 states have (on average 1.3706992230854607) internal successors, (1235), 949 states have internal predecessors, (1235), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-27 20:05:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1435 transitions. [2024-11-27 20:05:34,596 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1435 transitions. Word has length 89 [2024-11-27 20:05:34,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:34,596 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1435 transitions. [2024-11-27 20:05:34,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:05:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1435 transitions. [2024-11-27 20:05:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-27 20:05:34,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:34,597 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:34,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:34,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-27 20:05:34,802 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:34,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:34,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1730290588, now seen corresponding path program 1 times [2024-11-27 20:05:34,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:34,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682350341] [2024-11-27 20:05:34,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:34,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375130227] [2024-11-27 20:05:34,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:34,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:34,823 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:34,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-27 20:05:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:34,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:05:34,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-27 20:05:35,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:35,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:35,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682350341] [2024-11-27 20:05:35,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:35,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375130227] [2024-11-27 20:05:35,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375130227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:35,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:35,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:05:35,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121125446] [2024-11-27 20:05:35,327 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:35,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:35,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:35,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:35,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:35,328 INFO L87 Difference]: Start difference. First operand 1047 states and 1435 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:36,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:36,391 INFO L93 Difference]: Finished difference Result 1100 states and 1511 transitions. [2024-11-27 20:05:36,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:05:36,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-27 20:05:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:36,394 INFO L225 Difference]: With dead ends: 1100 [2024-11-27 20:05:36,395 INFO L226 Difference]: Without dead ends: 1096 [2024-11-27 20:05:36,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:05:36,395 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 221 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:36,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 360 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:05:36,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-27 20:05:36,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1078. [2024-11-27 20:05:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 931 states have (on average 1.364124597207304) internal successors, (1270), 976 states have internal predecessors, (1270), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-27 20:05:36,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1476 transitions. [2024-11-27 20:05:36,462 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1476 transitions. Word has length 90 [2024-11-27 20:05:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:36,462 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1476 transitions. [2024-11-27 20:05:36,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-27 20:05:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1476 transitions. [2024-11-27 20:05:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 20:05:36,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:36,463 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:36,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-27 20:05:36,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-27 20:05:36,664 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:36,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:36,664 INFO L85 PathProgramCache]: Analyzing trace with hash -759868533, now seen corresponding path program 1 times [2024-11-27 20:05:36,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:36,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163689401] [2024-11-27 20:05:36,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:36,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:36,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163689401] [2024-11-27 20:05:36,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163689401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:36,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125925686] [2024-11-27 20:05:36,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:36,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:36,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:36,776 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:36,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-27 20:05:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:36,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:05:36,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:37,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:37,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125925686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:37,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:37,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-27 20:05:37,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132989398] [2024-11-27 20:05:37,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:37,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 20:05:37,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:37,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 20:05:37,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:05:37,286 INFO L87 Difference]: Start difference. First operand 1078 states and 1476 transitions. Second operand has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 20:05:38,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:38,838 INFO L93 Difference]: Finished difference Result 1619 states and 2132 transitions. [2024-11-27 20:05:38,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 20:05:38,839 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-27 20:05:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:38,843 INFO L225 Difference]: With dead ends: 1619 [2024-11-27 20:05:38,843 INFO L226 Difference]: Without dead ends: 1617 [2024-11-27 20:05:38,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-11-27 20:05:38,844 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1943 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:38,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 760 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:05:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-27 20:05:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1221. [2024-11-27 20:05:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1061 states have (on average 1.3722902921771913) internal successors, (1456), 1106 states have internal predecessors, (1456), 116 states have call successors, (116), 6 states have call predecessors, (116), 6 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-27 20:05:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1688 transitions. [2024-11-27 20:05:38,940 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1688 transitions. Word has length 99 [2024-11-27 20:05:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:38,941 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1688 transitions. [2024-11-27 20:05:38,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 20:05:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1688 transitions. [2024-11-27 20:05:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 20:05:38,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:38,942 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:38,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-27 20:05:39,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-27 20:05:39,143 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:39,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:39,143 INFO L85 PathProgramCache]: Analyzing trace with hash 160660711, now seen corresponding path program 1 times [2024-11-27 20:05:39,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:39,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517611054] [2024-11-27 20:05:39,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:39,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:39,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:39,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517611054] [2024-11-27 20:05:39,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517611054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:39,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770672423] [2024-11-27 20:05:39,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:39,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:39,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:39,244 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:39,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-27 20:05:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:39,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:05:39,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:39,519 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:39,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:39,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770672423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:39,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:39,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-27 20:05:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981303589] [2024-11-27 20:05:39,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:39,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:05:39,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:39,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:05:39,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:05:39,678 INFO L87 Difference]: Start difference. First operand 1221 states and 1688 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 20:05:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:41,028 INFO L93 Difference]: Finished difference Result 1818 states and 2421 transitions. [2024-11-27 20:05:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-27 20:05:41,028 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-27 20:05:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:41,035 INFO L225 Difference]: With dead ends: 1818 [2024-11-27 20:05:41,035 INFO L226 Difference]: Without dead ends: 1816 [2024-11-27 20:05:41,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 20:05:41,036 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1645 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:41,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 728 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:05:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2024-11-27 20:05:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1419. [2024-11-27 20:05:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1241 states have (on average 1.3803384367445608) internal successors, (1713), 1286 states have internal predecessors, (1713), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-27 20:05:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1981 transitions. [2024-11-27 20:05:41,151 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1981 transitions. Word has length 99 [2024-11-27 20:05:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:41,151 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1981 transitions. [2024-11-27 20:05:41,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-27 20:05:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1981 transitions. [2024-11-27 20:05:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 20:05:41,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:41,153 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:41,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-27 20:05:41,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-27 20:05:41,353 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:41,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:41,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2080656965, now seen corresponding path program 1 times [2024-11-27 20:05:41,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:41,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859488145] [2024-11-27 20:05:41,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:41,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:41,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859488145] [2024-11-27 20:05:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859488145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955050658] [2024-11-27 20:05:41,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:41,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:41,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:41,458 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:41,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-27 20:05:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:41,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:41,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:41,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:41,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955050658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:41,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:41,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-27 20:05:41,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623962445] [2024-11-27 20:05:41,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:41,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:41,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:41,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:41,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:41,950 INFO L87 Difference]: Start difference. First operand 1419 states and 1981 transitions. Second operand has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:05:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:42,587 INFO L93 Difference]: Finished difference Result 1914 states and 2692 transitions. [2024-11-27 20:05:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:42,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 100 [2024-11-27 20:05:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:42,596 INFO L225 Difference]: With dead ends: 1914 [2024-11-27 20:05:42,596 INFO L226 Difference]: Without dead ends: 1912 [2024-11-27 20:05:42,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:05:42,598 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 265 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:42,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 319 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:05:42,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-11-27 20:05:42,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1635. [2024-11-27 20:05:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1436 states have (on average 1.3823119777158774) internal successors, (1985), 1481 states have internal predecessors, (1985), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-27 20:05:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2295 transitions. [2024-11-27 20:05:42,754 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2295 transitions. Word has length 100 [2024-11-27 20:05:42,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:42,755 INFO L471 AbstractCegarLoop]: Abstraction has 1635 states and 2295 transitions. [2024-11-27 20:05:42,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:05:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2295 transitions. [2024-11-27 20:05:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 20:05:42,756 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:42,756 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:42,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-27 20:05:42,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:42,961 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:42,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:42,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1235620527, now seen corresponding path program 1 times [2024-11-27 20:05:42,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:42,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245713213] [2024-11-27 20:05:42,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:42,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:43,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:43,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245713213] [2024-11-27 20:05:43,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245713213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:43,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701784720] [2024-11-27 20:05:43,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:43,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:43,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:43,058 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:43,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-27 20:05:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:43,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:43,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:43,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:43,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701784720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:43,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:05:43,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-27 20:05:43,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760737840] [2024-11-27 20:05:43,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:43,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:05:43,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:43,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:05:43,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:43,501 INFO L87 Difference]: Start difference. First operand 1635 states and 2295 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:05:44,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:44,231 INFO L93 Difference]: Finished difference Result 2227 states and 3163 transitions. [2024-11-27 20:05:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:05:44,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 102 [2024-11-27 20:05:44,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:44,239 INFO L225 Difference]: With dead ends: 2227 [2024-11-27 20:05:44,239 INFO L226 Difference]: Without dead ends: 2225 [2024-11-27 20:05:44,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:05:44,240 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 277 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:44,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 367 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:05:44,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-11-27 20:05:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1861. [2024-11-27 20:05:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1641 states have (on average 1.3833028641072518) internal successors, (2270), 1686 states have internal predecessors, (2270), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-27 20:05:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2622 transitions. [2024-11-27 20:05:44,427 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2622 transitions. Word has length 102 [2024-11-27 20:05:44,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:44,427 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2622 transitions. [2024-11-27 20:05:44,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:05:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2622 transitions. [2024-11-27 20:05:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 20:05:44,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:44,429 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:44,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:44,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:44,633 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:44,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:44,634 INFO L85 PathProgramCache]: Analyzing trace with hash -988825377, now seen corresponding path program 1 times [2024-11-27 20:05:44,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:44,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38445435] [2024-11-27 20:05:44,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:44,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:44,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939502945] [2024-11-27 20:05:44,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:44,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:44,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:44,654 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:44,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-27 20:05:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:44,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:05:44,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-27 20:05:45,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:45,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:45,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38445435] [2024-11-27 20:05:45,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:45,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939502945] [2024-11-27 20:05:45,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939502945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:45,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:45,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 20:05:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493380737] [2024-11-27 20:05:45,454 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:45,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:05:45,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:45,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:05:45,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:05:45,455 INFO L87 Difference]: Start difference. First operand 1861 states and 2622 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:05:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:46,888 INFO L93 Difference]: Finished difference Result 1923 states and 2704 transitions. [2024-11-27 20:05:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:05:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-27 20:05:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:46,903 INFO L225 Difference]: With dead ends: 1923 [2024-11-27 20:05:46,903 INFO L226 Difference]: Without dead ends: 1919 [2024-11-27 20:05:46,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:05:46,904 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 412 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:46,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 576 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 20:05:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2024-11-27 20:05:47,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1881. [2024-11-27 20:05:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1659 states have (on average 1.379746835443038) internal successors, (2289), 1704 states have internal predecessors, (2289), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 170 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 20:05:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2645 transitions. [2024-11-27 20:05:47,023 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2645 transitions. Word has length 108 [2024-11-27 20:05:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:47,023 INFO L471 AbstractCegarLoop]: Abstraction has 1881 states and 2645 transitions. [2024-11-27 20:05:47,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:05:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2645 transitions. [2024-11-27 20:05:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 20:05:47,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:47,024 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:47,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:47,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:47,228 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:47,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:47,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1140984957, now seen corresponding path program 2 times [2024-11-27 20:05:47,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:47,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126606171] [2024-11-27 20:05:47,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:47,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:47,248 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:47,248 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:47,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072302855] [2024-11-27 20:05:47,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:47,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:47,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:47,253 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:47,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-27 20:05:47,318 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:47,318 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:47,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:05:47,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:47,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:47,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:47,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126606171] [2024-11-27 20:05:47,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:47,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072302855] [2024-11-27 20:05:47,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072302855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:47,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:47,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 20:05:47,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519364871] [2024-11-27 20:05:47,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:47,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:47,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:47,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:47,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:05:47,920 INFO L87 Difference]: Start difference. First operand 1881 states and 2645 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:05:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:48,796 INFO L93 Difference]: Finished difference Result 1955 states and 2743 transitions. [2024-11-27 20:05:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:05:48,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-27 20:05:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:48,804 INFO L225 Difference]: With dead ends: 1955 [2024-11-27 20:05:48,804 INFO L226 Difference]: Without dead ends: 1951 [2024-11-27 20:05:48,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:05:48,806 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 158 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:48,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 322 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:05:48,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2024-11-27 20:05:48,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1859. [2024-11-27 20:05:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.328058429701765) internal successors, (2182), 1684 states have internal predecessors, (2182), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-27 20:05:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2534 transitions. [2024-11-27 20:05:48,996 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2534 transitions. Word has length 108 [2024-11-27 20:05:48,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:48,997 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2534 transitions. [2024-11-27 20:05:48,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:05:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2534 transitions. [2024-11-27 20:05:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:05:48,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:48,998 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:49,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:49,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-27 20:05:49,199 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:49,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:49,199 INFO L85 PathProgramCache]: Analyzing trace with hash -588815562, now seen corresponding path program 1 times [2024-11-27 20:05:49,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:49,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727132127] [2024-11-27 20:05:49,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915697891] [2024-11-27 20:05:49,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:49,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:49,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:49,217 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:49,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-27 20:05:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:49,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:05:49,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-27 20:05:50,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:50,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:50,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727132127] [2024-11-27 20:05:50,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:50,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915697891] [2024-11-27 20:05:50,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915697891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:50,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:50,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 20:05:50,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137013786] [2024-11-27 20:05:50,317 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:50,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:05:50,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:50,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:05:50,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:05:50,319 INFO L87 Difference]: Start difference. First operand 1859 states and 2534 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:05:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:51,366 INFO L93 Difference]: Finished difference Result 1888 states and 2562 transitions. [2024-11-27 20:05:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:51,367 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 109 [2024-11-27 20:05:51,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:51,371 INFO L225 Difference]: With dead ends: 1888 [2024-11-27 20:05:51,371 INFO L226 Difference]: Without dead ends: 1886 [2024-11-27 20:05:51,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:05:51,372 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 425 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:51,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 307 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:05:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2024-11-27 20:05:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1859. [2024-11-27 20:05:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.3268411442483263) internal successors, (2180), 1684 states have internal predecessors, (2180), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-27 20:05:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2532 transitions. [2024-11-27 20:05:51,598 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2532 transitions. Word has length 109 [2024-11-27 20:05:51,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:51,598 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2532 transitions. [2024-11-27 20:05:51,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:05:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2532 transitions. [2024-11-27 20:05:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:05:51,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:51,600 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:51,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-27 20:05:51,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-27 20:05:51,800 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:51,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1010795246, now seen corresponding path program 2 times [2024-11-27 20:05:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:51,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607578915] [2024-11-27 20:05:51,801 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:51,824 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:51,825 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:51,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789408935] [2024-11-27 20:05:51,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:51,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:51,829 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:51,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-27 20:05:51,901 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:51,901 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:51,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:05:51,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:52,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:52,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607578915] [2024-11-27 20:05:52,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:52,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789408935] [2024-11-27 20:05:52,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789408935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:52,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:05:52,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:05:52,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180643466] [2024-11-27 20:05:52,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:52,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:05:52,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:52,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:05:52,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:05:52,988 INFO L87 Difference]: Start difference. First operand 1859 states and 2532 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:05:56,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:56,149 INFO L93 Difference]: Finished difference Result 1938 states and 2613 transitions. [2024-11-27 20:05:56,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:56,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 109 [2024-11-27 20:05:56,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:56,154 INFO L225 Difference]: With dead ends: 1938 [2024-11-27 20:05:56,154 INFO L226 Difference]: Without dead ends: 1935 [2024-11-27 20:05:56,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:05:56,156 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 470 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:56,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 548 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-27 20:05:56,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2024-11-27 20:05:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1871. [2024-11-27 20:05:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1654 states have (on average 1.3216444981862152) internal successors, (2186), 1695 states have internal predecessors, (2186), 177 states have call successors, (177), 6 states have call predecessors, (177), 6 states have return successors, (177), 169 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-27 20:05:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2540 transitions. [2024-11-27 20:05:56,336 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2540 transitions. Word has length 109 [2024-11-27 20:05:56,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:56,337 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2540 transitions. [2024-11-27 20:05:56,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:05:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2540 transitions. [2024-11-27 20:05:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 20:05:56,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:56,339 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:56,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:56,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-27 20:05:56,539 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:56,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2112660531, now seen corresponding path program 1 times [2024-11-27 20:05:56,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:56,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411665816] [2024-11-27 20:05:56,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 20:05:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:56,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411665816] [2024-11-27 20:05:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411665816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:56,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:05:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:05:56,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079017240] [2024-11-27 20:05:56,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:56,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:05:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:56,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:05:56,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:05:56,653 INFO L87 Difference]: Start difference. First operand 1871 states and 2540 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:05:57,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:57,815 INFO L93 Difference]: Finished difference Result 1915 states and 2583 transitions. [2024-11-27 20:05:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:05:57,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 111 [2024-11-27 20:05:57,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:57,820 INFO L225 Difference]: With dead ends: 1915 [2024-11-27 20:05:57,820 INFO L226 Difference]: Without dead ends: 1897 [2024-11-27 20:05:57,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:05:57,821 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 234 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:57,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 239 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:05:57,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2024-11-27 20:05:57,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1859. [2024-11-27 20:05:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3179331306990882) internal successors, (2168), 1684 states have internal predecessors, (2168), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-27 20:05:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2516 transitions. [2024-11-27 20:05:57,992 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2516 transitions. Word has length 111 [2024-11-27 20:05:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:57,993 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2516 transitions. [2024-11-27 20:05:57,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:05:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2516 transitions. [2024-11-27 20:05:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 20:05:57,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:57,994 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:57,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-27 20:05:57,994 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:57,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:57,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1083929752, now seen corresponding path program 1 times [2024-11-27 20:05:57,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:57,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403159163] [2024-11-27 20:05:57,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:57,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:05:58,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46872139] [2024-11-27 20:05:58,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:58,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:58,016 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:58,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-27 20:05:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:58,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:05:58,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:05:58,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:58,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:58,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403159163] [2024-11-27 20:05:58,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:58,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46872139] [2024-11-27 20:05:58,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46872139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:05:58,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:58,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 20:05:58,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855264764] [2024-11-27 20:05:58,884 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:58,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:05:58,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:58,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:05:58,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:05:58,885 INFO L87 Difference]: Start difference. First operand 1859 states and 2516 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:05:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:59,521 INFO L93 Difference]: Finished difference Result 1879 states and 2536 transitions. [2024-11-27 20:05:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:05:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 111 [2024-11-27 20:05:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:59,527 INFO L225 Difference]: With dead ends: 1879 [2024-11-27 20:05:59,527 INFO L226 Difference]: Without dead ends: 1877 [2024-11-27 20:05:59,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:05:59,528 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 88 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:59,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 247 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:05:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-27 20:05:59,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1859. [2024-11-27 20:05:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3167173252279636) internal successors, (2166), 1684 states have internal predecessors, (2166), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-27 20:05:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2514 transitions. [2024-11-27 20:05:59,767 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2514 transitions. Word has length 111 [2024-11-27 20:05:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:59,767 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2514 transitions. [2024-11-27 20:05:59,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:05:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2514 transitions. [2024-11-27 20:05:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-27 20:05:59,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:59,769 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:59,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-27 20:05:59,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:59,969 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:05:59,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:59,970 INFO L85 PathProgramCache]: Analyzing trace with hash -711620748, now seen corresponding path program 2 times [2024-11-27 20:05:59,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:59,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181020565] [2024-11-27 20:05:59,970 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:59,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:59,987 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:05:59,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:59,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935262353] [2024-11-27 20:05:59,988 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:05:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,997 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-27 20:06:00,061 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:00,061 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:00,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:06:00,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:06:00,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:06:01,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:01,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181020565] [2024-11-27 20:06:01,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:01,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935262353] [2024-11-27 20:06:01,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935262353] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:01,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:06:01,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-27 20:06:01,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803310295] [2024-11-27 20:06:01,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:01,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:01,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:01,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:01,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:01,209 INFO L87 Difference]: Start difference. First operand 1859 states and 2514 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:06:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:04,833 INFO L93 Difference]: Finished difference Result 1880 states and 2536 transitions. [2024-11-27 20:06:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:04,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 111 [2024-11-27 20:06:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:04,840 INFO L225 Difference]: With dead ends: 1880 [2024-11-27 20:06:04,840 INFO L226 Difference]: Without dead ends: 1878 [2024-11-27 20:06:04,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:04,841 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 245 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:04,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 484 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-27 20:06:04,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-11-27 20:06:05,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1861. [2024-11-27 20:06:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1647 states have (on average 1.3126897389192471) internal successors, (2162), 1686 states have internal predecessors, (2162), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-27 20:06:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2510 transitions. [2024-11-27 20:06:05,086 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2510 transitions. Word has length 111 [2024-11-27 20:06:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:05,087 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2510 transitions. [2024-11-27 20:06:05,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:06:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2510 transitions. [2024-11-27 20:06:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-27 20:06:05,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:05,088 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:05,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-27 20:06:05,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:05,292 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:05,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash -757915997, now seen corresponding path program 1 times [2024-11-27 20:06:05,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:05,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729818341] [2024-11-27 20:06:05,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:05,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [87798296] [2024-11-27 20:06:05,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:05,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:05,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:05,317 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:05,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-27 20:06:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:05,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:06:05,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:06:05,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-27 20:06:06,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:06,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729818341] [2024-11-27 20:06:06,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:06,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87798296] [2024-11-27 20:06:06,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87798296] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:06,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:06,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-27 20:06:06,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267278317] [2024-11-27 20:06:06,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:06,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:06:06,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:06,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:06:06,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:06,155 INFO L87 Difference]: Start difference. First operand 1861 states and 2510 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:06,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:06,943 INFO L93 Difference]: Finished difference Result 1861 states and 2510 transitions. [2024-11-27 20:06:06,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:06:06,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2024-11-27 20:06:06,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:06,949 INFO L225 Difference]: With dead ends: 1861 [2024-11-27 20:06:06,949 INFO L226 Difference]: Without dead ends: 1860 [2024-11-27 20:06:06,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:06,950 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:06,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 133 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:06:06,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2024-11-27 20:06:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2024-11-27 20:06:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1647 states have (on average 1.2932604735883424) internal successors, (2130), 1685 states have internal predecessors, (2130), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-27 20:06:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2478 transitions. [2024-11-27 20:06:07,194 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2478 transitions. Word has length 112 [2024-11-27 20:06:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:07,195 INFO L471 AbstractCegarLoop]: Abstraction has 1860 states and 2478 transitions. [2024-11-27 20:06:07,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2478 transitions. [2024-11-27 20:06:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-27 20:06:07,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:07,196 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:07,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-27 20:06:07,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-27 20:06:07,399 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:07,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:07,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2020559366, now seen corresponding path program 1 times [2024-11-27 20:06:07,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:07,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051254636] [2024-11-27 20:06:07,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:07,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:07,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118560025] [2024-11-27 20:06:07,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:07,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,420 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-27 20:06:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:07,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:06:07,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 20:06:08,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-27 20:06:08,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:08,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051254636] [2024-11-27 20:06:08,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:08,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118560025] [2024-11-27 20:06:08,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118560025] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:08,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:08,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-27 20:06:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729548178] [2024-11-27 20:06:08,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:08,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:06:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:08,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:06:08,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:08,723 INFO L87 Difference]: Start difference. First operand 1860 states and 2478 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:10,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:10,247 INFO L93 Difference]: Finished difference Result 1860 states and 2478 transitions. [2024-11-27 20:06:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:06:10,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 113 [2024-11-27 20:06:10,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:10,252 INFO L225 Difference]: With dead ends: 1860 [2024-11-27 20:06:10,252 INFO L226 Difference]: Without dead ends: 1857 [2024-11-27 20:06:10,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:10,253 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:10,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 133 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:06:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-27 20:06:10,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2024-11-27 20:06:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1647 states have (on average 1.2616879174256224) internal successors, (2078), 1682 states have internal predecessors, (2078), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-27 20:06:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2426 transitions. [2024-11-27 20:06:10,504 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2426 transitions. Word has length 113 [2024-11-27 20:06:10,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:10,505 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2426 transitions. [2024-11-27 20:06:10,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2426 transitions. [2024-11-27 20:06:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-27 20:06:10,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:10,507 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:10,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-27 20:06:10,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:10,707 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:10,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:10,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2026307642, now seen corresponding path program 2 times [2024-11-27 20:06:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:10,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719297048] [2024-11-27 20:06:10,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:10,727 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:10,728 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:06:10,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402870111] [2024-11-27 20:06:10,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:10,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,731 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-27 20:06:10,801 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:10,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:10,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:10,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-27 20:06:11,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:14,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:14,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719297048] [2024-11-27 20:06:14,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:14,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402870111] [2024-11-27 20:06:14,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402870111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:14,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:14,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:06:14,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45688514] [2024-11-27 20:06:14,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:14,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:14,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:14,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-27 20:06:14,203 INFO L87 Difference]: Start difference. First operand 1857 states and 2426 transitions. Second operand has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:14,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:14,909 INFO L93 Difference]: Finished difference Result 2265 states and 2960 transitions. [2024-11-27 20:06:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:06:14,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 119 [2024-11-27 20:06:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:14,916 INFO L225 Difference]: With dead ends: 2265 [2024-11-27 20:06:14,916 INFO L226 Difference]: Without dead ends: 2263 [2024-11-27 20:06:14,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-11-27 20:06:14,917 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 370 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:14,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 423 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:06:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2024-11-27 20:06:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1930. [2024-11-27 20:06:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1713 states have (on average 1.2650321074138937) internal successors, (2167), 1748 states have internal predecessors, (2167), 181 states have call successors, (181), 6 states have call predecessors, (181), 6 states have return successors, (181), 175 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-27 20:06:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2529 transitions. [2024-11-27 20:06:15,182 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2529 transitions. Word has length 119 [2024-11-27 20:06:15,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:15,183 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 2529 transitions. [2024-11-27 20:06:15,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2529 transitions. [2024-11-27 20:06:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 20:06:15,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:15,184 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:15,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:15,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:15,385 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:15,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:15,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1591158156, now seen corresponding path program 1 times [2024-11-27 20:06:15,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:15,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024264739] [2024-11-27 20:06:15,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:15,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:15,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94662468] [2024-11-27 20:06:15,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:15,420 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:15,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-27 20:06:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:15,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:15,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 20:06:16,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:16,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:16,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024264739] [2024-11-27 20:06:16,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:16,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94662468] [2024-11-27 20:06:16,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94662468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:16,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:16,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:06:16,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672682803] [2024-11-27 20:06:16,616 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:16,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:06:16,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:16,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:06:16,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:16,617 INFO L87 Difference]: Start difference. First operand 1930 states and 2529 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:17,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:17,529 INFO L93 Difference]: Finished difference Result 2045 states and 2678 transitions. [2024-11-27 20:06:17,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:06:17,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2024-11-27 20:06:17,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:17,533 INFO L225 Difference]: With dead ends: 2045 [2024-11-27 20:06:17,533 INFO L226 Difference]: Without dead ends: 2044 [2024-11-27 20:06:17,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:06:17,534 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 171 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:17,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 465 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:06:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2024-11-27 20:06:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1930. [2024-11-27 20:06:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1713 states have (on average 1.2644483362521892) internal successors, (2166), 1748 states have internal predecessors, (2166), 181 states have call successors, (181), 6 states have call predecessors, (181), 6 states have return successors, (181), 175 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-27 20:06:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2528 transitions. [2024-11-27 20:06:17,807 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2528 transitions. Word has length 122 [2024-11-27 20:06:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:17,807 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 2528 transitions. [2024-11-27 20:06:17,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2528 transitions. [2024-11-27 20:06:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-27 20:06:17,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:17,808 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:17,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:18,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-27 20:06:18,013 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:18,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:18,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2081262652, now seen corresponding path program 1 times [2024-11-27 20:06:18,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:18,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851589067] [2024-11-27 20:06:18,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:18,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:18,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666397341] [2024-11-27 20:06:18,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:18,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:18,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:18,032 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-27 20:06:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-27 20:06:19,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851589067] [2024-11-27 20:06:19,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666397341] [2024-11-27 20:06:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666397341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:19,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:06:19,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112077271] [2024-11-27 20:06:19,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:19,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:06:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:19,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:06:19,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:06:19,278 INFO L87 Difference]: Start difference. First operand 1930 states and 2528 transitions. Second operand has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:20,749 INFO L93 Difference]: Finished difference Result 2047 states and 2681 transitions. [2024-11-27 20:06:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:06:20,749 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-11-27 20:06:20,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:20,754 INFO L225 Difference]: With dead ends: 2047 [2024-11-27 20:06:20,754 INFO L226 Difference]: Without dead ends: 2014 [2024-11-27 20:06:20,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:06:20,756 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 83 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:20,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 479 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1816 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:06:20,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2024-11-27 20:06:21,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1906. [2024-11-27 20:06:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1692 states have (on average 1.2653664302600474) internal successors, (2141), 1726 states have internal predecessors, (2141), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 173 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-27 20:06:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2497 transitions. [2024-11-27 20:06:21,021 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2497 transitions. Word has length 123 [2024-11-27 20:06:21,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:21,021 INFO L471 AbstractCegarLoop]: Abstraction has 1906 states and 2497 transitions. [2024-11-27 20:06:21,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:06:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2497 transitions. [2024-11-27 20:06:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-27 20:06:21,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:21,023 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:21,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-27 20:06:21,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-27 20:06:21,227 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:21,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -773172153, now seen corresponding path program 2 times [2024-11-27 20:06:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256690959] [2024-11-27 20:06:21,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:21,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:21,246 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:21,246 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:06:21,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819260543] [2024-11-27 20:06:21,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:21,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:21,251 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:21,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-27 20:06:21,325 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:21,325 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:21,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:21,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-27 20:06:21,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:25,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256690959] [2024-11-27 20:06:25,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:25,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819260543] [2024-11-27 20:06:25,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819260543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:25,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:25,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:06:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080590989] [2024-11-27 20:06:25,107 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:25,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:25,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:25,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:25,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-27 20:06:25,108 INFO L87 Difference]: Start difference. First operand 1906 states and 2497 transitions. Second operand has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-27 20:06:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:25,785 INFO L93 Difference]: Finished difference Result 2303 states and 3026 transitions. [2024-11-27 20:06:25,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:06:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 130 [2024-11-27 20:06:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:25,789 INFO L225 Difference]: With dead ends: 2303 [2024-11-27 20:06:25,789 INFO L226 Difference]: Without dead ends: 2301 [2024-11-27 20:06:25,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-11-27 20:06:25,790 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 299 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:25,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 453 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:06:25,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2024-11-27 20:06:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 1974. [2024-11-27 20:06:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1754 states have (on average 1.2679589509692133) internal successors, (2224), 1788 states have internal predecessors, (2224), 184 states have call successors, (184), 6 states have call predecessors, (184), 6 states have return successors, (184), 179 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-27 20:06:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2592 transitions. [2024-11-27 20:06:25,964 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2592 transitions. Word has length 130 [2024-11-27 20:06:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:25,965 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2592 transitions. [2024-11-27 20:06:25,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-27 20:06:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2592 transitions. [2024-11-27 20:06:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-27 20:06:25,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:25,966 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:25,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-27 20:06:26,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-27 20:06:26,166 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:26,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:26,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1314761576, now seen corresponding path program 1 times [2024-11-27 20:06:26,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:26,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027147516] [2024-11-27 20:06:26,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:26,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038004840] [2024-11-27 20:06:26,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:26,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:26,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:26,186 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:26,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-27 20:06:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:26,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:26,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 20:06:27,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:27,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027147516] [2024-11-27 20:06:27,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038004840] [2024-11-27 20:06:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038004840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:27,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:27,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:06:27,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749890723] [2024-11-27 20:06:27,423 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:27,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:27,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:27,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:27,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:06:27,424 INFO L87 Difference]: Start difference. First operand 1974 states and 2592 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 20:06:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:28,195 INFO L93 Difference]: Finished difference Result 2076 states and 2726 transitions. [2024-11-27 20:06:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:28,196 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2024-11-27 20:06:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:28,198 INFO L225 Difference]: With dead ends: 2076 [2024-11-27 20:06:28,199 INFO L226 Difference]: Without dead ends: 2075 [2024-11-27 20:06:28,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:28,199 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 144 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:28,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 386 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:06:28,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2024-11-27 20:06:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 1974. [2024-11-27 20:06:28,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1754 states have (on average 1.2673888255416192) internal successors, (2223), 1788 states have internal predecessors, (2223), 184 states have call successors, (184), 6 states have call predecessors, (184), 6 states have return successors, (184), 179 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-27 20:06:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2591 transitions. [2024-11-27 20:06:28,457 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2591 transitions. Word has length 133 [2024-11-27 20:06:28,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:28,458 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2591 transitions. [2024-11-27 20:06:28,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 20:06:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2591 transitions. [2024-11-27 20:06:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 20:06:28,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:28,459 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:28,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:28,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:28,660 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:28,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2102903107, now seen corresponding path program 1 times [2024-11-27 20:06:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92707232] [2024-11-27 20:06:28,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:06:28,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745449627] [2024-11-27 20:06:28,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:28,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:28,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:28,686 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:28,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-27 20:06:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:28,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 20:06:28,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 73 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-27 20:06:29,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:30,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:30,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92707232] [2024-11-27 20:06:30,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:30,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745449627] [2024-11-27 20:06:30,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745449627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:30,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:06:30,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780655527] [2024-11-27 20:06:30,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:30,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:06:30,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:30,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:06:30,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:06:30,059 INFO L87 Difference]: Start difference. First operand 1974 states and 2591 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 20:06:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:31,725 INFO L93 Difference]: Finished difference Result 2083 states and 2735 transitions. [2024-11-27 20:06:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:06:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 134 [2024-11-27 20:06:31,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:31,728 INFO L225 Difference]: With dead ends: 2083 [2024-11-27 20:06:31,728 INFO L226 Difference]: Without dead ends: 2079 [2024-11-27 20:06:31,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:06:31,729 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 145 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:31,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 577 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:06:31,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2024-11-27 20:06:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1958. [2024-11-27 20:06:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1740 states have (on average 1.2666666666666666) internal successors, (2204), 1773 states have internal predecessors, (2204), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 178 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-27 20:06:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2568 transitions. [2024-11-27 20:06:31,930 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2568 transitions. Word has length 134 [2024-11-27 20:06:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:31,931 INFO L471 AbstractCegarLoop]: Abstraction has 1958 states and 2568 transitions. [2024-11-27 20:06:31,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-27 20:06:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2568 transitions. [2024-11-27 20:06:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 20:06:31,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:31,932 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:31,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-27 20:06:32,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-27 20:06:32,137 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1922118161, now seen corresponding path program 1 times [2024-11-27 20:06:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:32,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508535175] [2024-11-27 20:06:32,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:32,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:32,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508535175] [2024-11-27 20:06:32,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508535175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:32,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938053748] [2024-11-27 20:06:32,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:32,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:32,303 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:32,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-27 20:06:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:32,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:06:32,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:32,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:33,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938053748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:33,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:33,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-27 20:06:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834321321] [2024-11-27 20:06:33,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:33,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:06:33,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:33,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:06:33,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:06:33,057 INFO L87 Difference]: Start difference. First operand 1958 states and 2568 transitions. Second operand has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2024-11-27 20:06:34,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:34,451 INFO L93 Difference]: Finished difference Result 2473 states and 3170 transitions. [2024-11-27 20:06:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:06:34,452 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) Word has length 144 [2024-11-27 20:06:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:34,455 INFO L225 Difference]: With dead ends: 2473 [2024-11-27 20:06:34,455 INFO L226 Difference]: Without dead ends: 2471 [2024-11-27 20:06:34,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=547, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:06:34,456 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 654 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:34,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 776 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:06:34,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2024-11-27 20:06:34,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2024. [2024-11-27 20:06:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1800 states have (on average 1.2616666666666667) internal successors, (2271), 1833 states have internal predecessors, (2271), 188 states have call successors, (188), 6 states have call predecessors, (188), 6 states have return successors, (188), 184 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-27 20:06:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2647 transitions. [2024-11-27 20:06:34,689 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2647 transitions. Word has length 144 [2024-11-27 20:06:34,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:34,690 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 2647 transitions. [2024-11-27 20:06:34,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2024-11-27 20:06:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2647 transitions. [2024-11-27 20:06:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-27 20:06:34,691 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:34,691 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:34,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:34,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-27 20:06:34,892 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:34,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:34,892 INFO L85 PathProgramCache]: Analyzing trace with hash 306258885, now seen corresponding path program 1 times [2024-11-27 20:06:34,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:34,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697885183] [2024-11-27 20:06:34,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:35,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697885183] [2024-11-27 20:06:35,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697885183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800501411] [2024-11-27 20:06:35,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:35,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:35,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:35,032 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:35,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-27 20:06:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:35,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:35,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:35,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800501411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:35,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-27 20:06:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399276284] [2024-11-27 20:06:35,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:35,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:06:35,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:35,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:06:35,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:06:35,846 INFO L87 Difference]: Start difference. First operand 2024 states and 2647 transitions. Second operand has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:36,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:36,867 INFO L93 Difference]: Finished difference Result 2926 states and 3805 transitions. [2024-11-27 20:06:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:06:36,868 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 146 [2024-11-27 20:06:36,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:36,872 INFO L225 Difference]: With dead ends: 2926 [2024-11-27 20:06:36,872 INFO L226 Difference]: Without dead ends: 2924 [2024-11-27 20:06:36,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:36,873 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 427 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:36,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 501 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:06:36,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2924 states. [2024-11-27 20:06:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2924 to 2314. [2024-11-27 20:06:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2066 states have (on average 1.2623426911907067) internal successors, (2608), 2099 states have internal predecessors, (2608), 212 states have call successors, (212), 6 states have call predecessors, (212), 6 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-27 20:06:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3032 transitions. [2024-11-27 20:06:37,147 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3032 transitions. Word has length 146 [2024-11-27 20:06:37,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:37,147 INFO L471 AbstractCegarLoop]: Abstraction has 2314 states and 3032 transitions. [2024-11-27 20:06:37,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3032 transitions. [2024-11-27 20:06:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-27 20:06:37,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:37,149 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:37,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:37,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-27 20:06:37,350 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:37,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:37,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1745255083, now seen corresponding path program 1 times [2024-11-27 20:06:37,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:37,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390182386] [2024-11-27 20:06:37,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:37,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:37,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:37,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390182386] [2024-11-27 20:06:37,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390182386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:37,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494163126] [2024-11-27 20:06:37,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:37,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:37,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:37,516 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-27 20:06:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:37,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:37,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:38,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:38,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494163126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:38,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:38,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-27 20:06:38,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141380925] [2024-11-27 20:06:38,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:38,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:06:38,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:38,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:06:38,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:06:38,346 INFO L87 Difference]: Start difference. First operand 2314 states and 3032 transitions. Second operand has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:39,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:39,551 INFO L93 Difference]: Finished difference Result 3330 states and 4372 transitions. [2024-11-27 20:06:39,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:06:39,552 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 148 [2024-11-27 20:06:39,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:39,556 INFO L225 Difference]: With dead ends: 3330 [2024-11-27 20:06:39,556 INFO L226 Difference]: Without dead ends: 3328 [2024-11-27 20:06:39,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:39,557 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 487 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:39,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 578 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:06:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2024-11-27 20:06:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2683. [2024-11-27 20:06:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 2405 states have (on average 1.2590436590436591) internal successors, (3028), 2438 states have internal predecessors, (3028), 242 states have call successors, (242), 6 states have call predecessors, (242), 6 states have return successors, (242), 238 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-27 20:06:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3512 transitions. [2024-11-27 20:06:39,800 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3512 transitions. Word has length 148 [2024-11-27 20:06:39,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:39,800 INFO L471 AbstractCegarLoop]: Abstraction has 2683 states and 3512 transitions. [2024-11-27 20:06:39,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-27 20:06:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3512 transitions. [2024-11-27 20:06:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-27 20:06:39,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:39,802 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:39,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:40,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-27 20:06:40,002 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:40,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1434376782, now seen corresponding path program 1 times [2024-11-27 20:06:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:40,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768492413] [2024-11-27 20:06:40,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-27 20:06:40,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:40,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768492413] [2024-11-27 20:06:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768492413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:40,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107256649] [2024-11-27 20:06:40,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:40,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:40,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:40,154 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:40,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-27 20:06:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:40,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:40,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-27 20:06:40,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:44,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107256649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:44,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:06:44,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 9 [2024-11-27 20:06:44,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290916443] [2024-11-27 20:06:44,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:44,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:06:44,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:44,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:06:44,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=103, Unknown=1, NotChecked=0, Total=132 [2024-11-27 20:06:44,774 INFO L87 Difference]: Start difference. First operand 2683 states and 3512 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:06:47,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:47,059 INFO L93 Difference]: Finished difference Result 2865 states and 3727 transitions. [2024-11-27 20:06:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:06:47,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 155 [2024-11-27 20:06:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:47,063 INFO L225 Difference]: With dead ends: 2865 [2024-11-27 20:06:47,063 INFO L226 Difference]: Without dead ends: 2860 [2024-11-27 20:06:47,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=114, Invalid=305, Unknown=1, NotChecked=0, Total=420 [2024-11-27 20:06:47,065 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 346 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:47,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 359 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:06:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2024-11-27 20:06:47,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2355. [2024-11-27 20:06:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2107 states have (on average 1.2387280493592785) internal successors, (2610), 2140 states have internal predecessors, (2610), 212 states have call successors, (212), 6 states have call predecessors, (212), 6 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-27 20:06:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3034 transitions. [2024-11-27 20:06:47,318 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3034 transitions. Word has length 155 [2024-11-27 20:06:47,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:47,318 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3034 transitions. [2024-11-27 20:06:47,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:06:47,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3034 transitions. [2024-11-27 20:06:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-27 20:06:47,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:47,319 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:47,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:47,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2024-11-27 20:06:47,520 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:47,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:47,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1893458180, now seen corresponding path program 3 times [2024-11-27 20:06:47,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:47,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495132611] [2024-11-27 20:06:47,520 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:06:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:47,552 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:06:47,553 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:06:47,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242543085] [2024-11-27 20:06:47,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:06:47,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:47,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:47,557 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-27 20:06:47,662 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:06:47,662 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:47,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:06:47,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-27 20:06:48,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:53,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:53,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495132611] [2024-11-27 20:06:53,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:53,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242543085] [2024-11-27 20:06:53,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242543085] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:53,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:53,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:06:53,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257470880] [2024-11-27 20:06:53,685 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:53,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:53,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:53,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:53,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=168, Unknown=1, NotChecked=0, Total=210 [2024-11-27 20:06:53,686 INFO L87 Difference]: Start difference. First operand 2355 states and 3034 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:06:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:56,597 INFO L93 Difference]: Finished difference Result 2490 states and 3183 transitions. [2024-11-27 20:06:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:06:56,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 154 [2024-11-27 20:06:56,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:56,600 INFO L225 Difference]: With dead ends: 2490 [2024-11-27 20:06:56,600 INFO L226 Difference]: Without dead ends: 2486 [2024-11-27 20:06:56,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-27 20:06:56,601 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 384 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:56,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 496 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 20:06:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2024-11-27 20:06:56,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2349. [2024-11-27 20:06:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2102 states have (on average 1.2392959086584205) internal successors, (2605), 2135 states have internal predecessors, (2605), 211 states have call successors, (211), 6 states have call predecessors, (211), 6 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-27 20:06:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3027 transitions. [2024-11-27 20:06:56,914 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3027 transitions. Word has length 154 [2024-11-27 20:06:56,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:56,914 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3027 transitions. [2024-11-27 20:06:56,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:06:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3027 transitions. [2024-11-27 20:06:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-27 20:06:56,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:56,916 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:56,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-27 20:06:57,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2024-11-27 20:06:57,116 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:06:57,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2072159584, now seen corresponding path program 4 times [2024-11-27 20:06:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413744474] [2024-11-27 20:06:57,117 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:06:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:57,148 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:06:57,148 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:06:57,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075506128] [2024-11-27 20:06:57,149 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:06:57,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:57,153 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:57,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-27 20:06:57,246 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:06:57,246 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:57,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:06:57,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 27 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:06:58,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:58,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413744474] [2024-11-27 20:06:58,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075506128] [2024-11-27 20:06:58,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075506128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:58,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:58,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 20:06:58,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428003637] [2024-11-27 20:06:58,994 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:58,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:06:58,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:58,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:06:58,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:06:58,996 INFO L87 Difference]: Start difference. First operand 2349 states and 3027 transitions. Second operand has 13 states, 12 states have (on average 8.75) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:07:02,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:02,304 INFO L93 Difference]: Finished difference Result 2517 states and 3236 transitions. [2024-11-27 20:07:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:07:02,304 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.75) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 154 [2024-11-27 20:07:02,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:02,307 INFO L225 Difference]: With dead ends: 2517 [2024-11-27 20:07:02,307 INFO L226 Difference]: Without dead ends: 2515 [2024-11-27 20:07:02,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:07:02,308 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 204 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 2155 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:02,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 585 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2155 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-27 20:07:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2024-11-27 20:07:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2365. [2024-11-27 20:07:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 2116 states have (on average 1.2391304347826086) internal successors, (2622), 2149 states have internal predecessors, (2622), 213 states have call successors, (213), 6 states have call predecessors, (213), 6 states have return successors, (213), 209 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-27 20:07:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3048 transitions. [2024-11-27 20:07:02,581 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3048 transitions. Word has length 154 [2024-11-27 20:07:02,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:02,582 INFO L471 AbstractCegarLoop]: Abstraction has 2365 states and 3048 transitions. [2024-11-27 20:07:02,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.75) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:07:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3048 transitions. [2024-11-27 20:07:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-27 20:07:02,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:02,583 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:02,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-27 20:07:02,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:02,788 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:02,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash 417630416, now seen corresponding path program 3 times [2024-11-27 20:07:02,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:02,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052384948] [2024-11-27 20:07:02,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:02,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:02,812 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:07:02,812 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:02,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485225277] [2024-11-27 20:07:02,813 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:02,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:02,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:02,815 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-27 20:07:02,964 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:07:02,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:02,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:07:02,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 87 proven. 24 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:07:04,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:07,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:07,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052384948] [2024-11-27 20:07:07,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:07,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485225277] [2024-11-27 20:07:07,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485225277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:07,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:07,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:07:07,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111637017] [2024-11-27 20:07:07,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:07,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:07:07,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:07,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:07:07,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=87, Unknown=1, NotChecked=0, Total=132 [2024-11-27 20:07:07,722 INFO L87 Difference]: Start difference. First operand 2365 states and 3048 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:09,383 INFO L93 Difference]: Finished difference Result 2435 states and 3123 transitions. [2024-11-27 20:07:09,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:07:09,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 156 [2024-11-27 20:07:09,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:09,388 INFO L225 Difference]: With dead ends: 2435 [2024-11-27 20:07:09,388 INFO L226 Difference]: Without dead ends: 2434 [2024-11-27 20:07:09,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=62, Invalid=119, Unknown=1, NotChecked=0, Total=182 [2024-11-27 20:07:09,390 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 154 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:09,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 566 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:07:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2024-11-27 20:07:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2365. [2024-11-27 20:07:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 2116 states have (on average 1.2381852551984878) internal successors, (2620), 2149 states have internal predecessors, (2620), 213 states have call successors, (213), 6 states have call predecessors, (213), 6 states have return successors, (213), 209 states have call predecessors, (213), 213 states have call successors, (213) [2024-11-27 20:07:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3046 transitions. [2024-11-27 20:07:09,697 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3046 transitions. Word has length 156 [2024-11-27 20:07:09,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:09,697 INFO L471 AbstractCegarLoop]: Abstraction has 2365 states and 3046 transitions. [2024-11-27 20:07:09,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3046 transitions. [2024-11-27 20:07:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-27 20:07:09,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:09,699 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:09,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:09,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-27 20:07:09,900 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:09,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:09,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1377920084, now seen corresponding path program 4 times [2024-11-27 20:07:09,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:09,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500676961] [2024-11-27 20:07:09,900 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:07:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:09,924 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:07:09,924 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:09,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463247198] [2024-11-27 20:07:09,925 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:07:09,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:09,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:09,930 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:09,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-27 20:07:10,017 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:07:10,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:10,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:07:10,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:07:10,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:07:11,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:11,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500676961] [2024-11-27 20:07:11,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:11,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463247198] [2024-11-27 20:07:11,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463247198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:11,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:11,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-27 20:07:11,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906086559] [2024-11-27 20:07:11,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:11,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:07:11,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:11,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:07:11,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:07:11,873 INFO L87 Difference]: Start difference. First operand 2365 states and 3046 transitions. Second operand has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:07:13,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:07:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:21,451 INFO L93 Difference]: Finished difference Result 2701 states and 3467 transitions. [2024-11-27 20:07:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 20:07:21,451 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 156 [2024-11-27 20:07:21,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:21,456 INFO L225 Difference]: With dead ends: 2701 [2024-11-27 20:07:21,456 INFO L226 Difference]: Without dead ends: 2699 [2024-11-27 20:07:21,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:07:21,458 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 626 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:21,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 692 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-11-27 20:07:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2024-11-27 20:07:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2495. [2024-11-27 20:07:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2237 states have (on average 1.2369244523915959) internal successors, (2767), 2270 states have internal predecessors, (2767), 222 states have call successors, (222), 6 states have call predecessors, (222), 6 states have return successors, (222), 218 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-27 20:07:21,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3211 transitions. [2024-11-27 20:07:21,738 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3211 transitions. Word has length 156 [2024-11-27 20:07:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:21,738 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3211 transitions. [2024-11-27 20:07:21,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-27 20:07:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3211 transitions. [2024-11-27 20:07:21,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-27 20:07:21,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:21,740 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:21,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:21,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:21,940 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:21,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1452824286, now seen corresponding path program 5 times [2024-11-27 20:07:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676710994] [2024-11-27 20:07:21,941 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:07:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:21,964 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 20:07:21,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430118898] [2024-11-27 20:07:21,965 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:07:21,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:21,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:21,969 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:21,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-27 20:07:22,806 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-27 20:07:22,806 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:22,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:07:22,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:07:23,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:27,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:27,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676710994] [2024-11-27 20:07:27,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:27,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430118898] [2024-11-27 20:07:27,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430118898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:27,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:27,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 20:07:27,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337026948] [2024-11-27 20:07:27,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:27,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:07:27,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:27,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:07:27,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-11-27 20:07:27,211 INFO L87 Difference]: Start difference. First operand 2495 states and 3211 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:28,004 INFO L93 Difference]: Finished difference Result 2555 states and 3279 transitions. [2024-11-27 20:07:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:07:28,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 156 [2024-11-27 20:07:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:28,007 INFO L225 Difference]: With dead ends: 2555 [2024-11-27 20:07:28,007 INFO L226 Difference]: Without dead ends: 2554 [2024-11-27 20:07:28,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2024-11-27 20:07:28,008 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 96 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:28,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 295 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:07:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2024-11-27 20:07:28,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2495. [2024-11-27 20:07:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2237 states have (on average 1.2364774251229325) internal successors, (2766), 2270 states have internal predecessors, (2766), 222 states have call successors, (222), 6 states have call predecessors, (222), 6 states have return successors, (222), 218 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-27 20:07:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3210 transitions. [2024-11-27 20:07:28,247 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3210 transitions. Word has length 156 [2024-11-27 20:07:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:28,248 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3210 transitions. [2024-11-27 20:07:28,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3210 transitions. [2024-11-27 20:07:28,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-27 20:07:28,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:28,248 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:28,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2024-11-27 20:07:28,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:28,449 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:28,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:28,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1519466882, now seen corresponding path program 6 times [2024-11-27 20:07:28,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:28,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523115502] [2024-11-27 20:07:28,450 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:07:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:28,466 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 20:07:28,466 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:28,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356738796] [2024-11-27 20:07:28,468 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:07:28,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:28,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:28,470 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:28,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-27 20:07:29,513 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-27 20:07:29,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:29,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 20:07:29,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:07:30,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:30,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:30,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523115502] [2024-11-27 20:07:30,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:30,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356738796] [2024-11-27 20:07:30,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356738796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:30,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:30,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 20:07:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989424224] [2024-11-27 20:07:30,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:30,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:07:30,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:30,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:07:30,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:07:30,624 INFO L87 Difference]: Start difference. First operand 2495 states and 3210 transitions. Second operand has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:31,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:31,594 INFO L93 Difference]: Finished difference Result 2578 states and 3305 transitions. [2024-11-27 20:07:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:07:31,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 156 [2024-11-27 20:07:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:31,597 INFO L225 Difference]: With dead ends: 2578 [2024-11-27 20:07:31,597 INFO L226 Difference]: Without dead ends: 2577 [2024-11-27 20:07:31,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:07:31,598 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 97 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:31,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 394 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:07:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2024-11-27 20:07:31,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2495. [2024-11-27 20:07:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2237 states have (on average 1.236030397854269) internal successors, (2765), 2270 states have internal predecessors, (2765), 222 states have call successors, (222), 6 states have call predecessors, (222), 6 states have return successors, (222), 218 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-27 20:07:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3209 transitions. [2024-11-27 20:07:31,834 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3209 transitions. Word has length 156 [2024-11-27 20:07:31,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:31,834 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3209 transitions. [2024-11-27 20:07:31,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 7 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-27 20:07:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3209 transitions. [2024-11-27 20:07:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 20:07:31,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:31,835 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:31,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-27 20:07:32,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:32,036 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:32,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:32,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1074505054, now seen corresponding path program 1 times [2024-11-27 20:07:32,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:32,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031247954] [2024-11-27 20:07:32,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:32,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:32,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072022405] [2024-11-27 20:07:32,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:32,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:32,059 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:32,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-27 20:07:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:32,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:07:32,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:07:33,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:33,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031247954] [2024-11-27 20:07:33,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:33,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072022405] [2024-11-27 20:07:33,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072022405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:33,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:33,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:07:33,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159728566] [2024-11-27 20:07:33,364 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:33,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:07:33,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:33,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:07:33,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:07:33,365 INFO L87 Difference]: Start difference. First operand 2495 states and 3209 transitions. Second operand has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:34,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:34,575 INFO L93 Difference]: Finished difference Result 2836 states and 3646 transitions. [2024-11-27 20:07:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:07:34,576 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 164 [2024-11-27 20:07:34,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:34,580 INFO L225 Difference]: With dead ends: 2836 [2024-11-27 20:07:34,581 INFO L226 Difference]: Without dead ends: 2834 [2024-11-27 20:07:34,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:07:34,582 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 190 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:34,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 602 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:07:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2024-11-27 20:07:34,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2514. [2024-11-27 20:07:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 2253 states have (on average 1.2361296049711497) internal successors, (2785), 2286 states have internal predecessors, (2785), 225 states have call successors, (225), 6 states have call predecessors, (225), 6 states have return successors, (225), 221 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-27 20:07:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3235 transitions. [2024-11-27 20:07:34,855 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3235 transitions. Word has length 164 [2024-11-27 20:07:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:34,855 INFO L471 AbstractCegarLoop]: Abstraction has 2514 states and 3235 transitions. [2024-11-27 20:07:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 10 states have internal predecessors, (110), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3235 transitions. [2024-11-27 20:07:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 20:07:34,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:34,857 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:34,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:35,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:35,057 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:35,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:35,058 INFO L85 PathProgramCache]: Analyzing trace with hash -944227664, now seen corresponding path program 3 times [2024-11-27 20:07:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520012490] [2024-11-27 20:07:35,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:35,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:35,082 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:07:35,082 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:35,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067484976] [2024-11-27 20:07:35,083 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:35,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:35,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:35,085 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-27 20:07:35,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:07:35,167 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:35,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:07:35,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:36,183 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-27 20:07:36,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:36,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520012490] [2024-11-27 20:07:36,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067484976] [2024-11-27 20:07:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067484976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:36,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:36,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:07:36,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110156594] [2024-11-27 20:07:36,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:36,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:07:36,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:36,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:07:36,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:07:36,403 INFO L87 Difference]: Start difference. First operand 2514 states and 3235 transitions. Second operand has 10 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:37,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:37,606 INFO L93 Difference]: Finished difference Result 3205 states and 4110 transitions. [2024-11-27 20:07:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:07:37,606 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 164 [2024-11-27 20:07:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:37,609 INFO L225 Difference]: With dead ends: 3205 [2024-11-27 20:07:37,609 INFO L226 Difference]: Without dead ends: 3203 [2024-11-27 20:07:37,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:07:37,610 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 435 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:37,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 625 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:07:37,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-27 20:07:37,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2555. [2024-11-27 20:07:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.2358078602620088) internal successors, (2830), 2323 states have internal predecessors, (2830), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:07:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3288 transitions. [2024-11-27 20:07:37,852 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3288 transitions. Word has length 164 [2024-11-27 20:07:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:37,853 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3288 transitions. [2024-11-27 20:07:37,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3288 transitions. [2024-11-27 20:07:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:07:37,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:37,854 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:37,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:38,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-27 20:07:38,058 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:38,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:38,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1052098132, now seen corresponding path program 2 times [2024-11-27 20:07:38,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:38,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76790766] [2024-11-27 20:07:38,059 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:38,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:38,077 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:38,077 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:38,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004505189] [2024-11-27 20:07:38,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:38,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:38,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:38,086 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:38,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-27 20:07:38,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:38,166 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:38,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:07:38,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:07:39,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:39,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:39,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76790766] [2024-11-27 20:07:39,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:39,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004505189] [2024-11-27 20:07:39,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004505189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:39,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:39,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:07:39,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888021742] [2024-11-27 20:07:39,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:39,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:07:39,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:39,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:07:39,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:07:39,646 INFO L87 Difference]: Start difference. First operand 2555 states and 3288 transitions. Second operand has 11 states, 10 states have (on average 11.3) internal successors, (113), 11 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:41,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:41,076 INFO L93 Difference]: Finished difference Result 2777 states and 3559 transitions. [2024-11-27 20:07:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:07:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 11 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 167 [2024-11-27 20:07:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:41,081 INFO L225 Difference]: With dead ends: 2777 [2024-11-27 20:07:41,082 INFO L226 Difference]: Without dead ends: 2776 [2024-11-27 20:07:41,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:07:41,083 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 259 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:41,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 447 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:07:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2024-11-27 20:07:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2555. [2024-11-27 20:07:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.2353711790393014) internal successors, (2829), 2323 states have internal predecessors, (2829), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:07:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3287 transitions. [2024-11-27 20:07:41,564 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3287 transitions. Word has length 167 [2024-11-27 20:07:41,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:41,564 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3287 transitions. [2024-11-27 20:07:41,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.3) internal successors, (113), 11 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3287 transitions. [2024-11-27 20:07:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:07:41,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:41,566 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:41,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-11-27 20:07:41,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:41,771 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:41,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash -504611962, now seen corresponding path program 3 times [2024-11-27 20:07:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:41,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734768011] [2024-11-27 20:07:41,771 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:41,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:41,794 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:07:41,794 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:41,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534878684] [2024-11-27 20:07:41,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:41,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:41,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:41,799 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:41,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-27 20:07:41,891 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:07:41,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:41,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:07:41,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:07:43,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:43,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734768011] [2024-11-27 20:07:43,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534878684] [2024-11-27 20:07:43,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534878684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:43,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:43,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:07:43,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469575209] [2024-11-27 20:07:43,636 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:43,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:07:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:43,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:07:43,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:07:43,637 INFO L87 Difference]: Start difference. First operand 2555 states and 3287 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:44,984 INFO L93 Difference]: Finished difference Result 2750 states and 3530 transitions. [2024-11-27 20:07:44,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:07:44,984 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 167 [2024-11-27 20:07:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:44,988 INFO L225 Difference]: With dead ends: 2750 [2024-11-27 20:07:44,988 INFO L226 Difference]: Without dead ends: 2749 [2024-11-27 20:07:44,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:07:44,989 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 175 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:44,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 489 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:07:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2024-11-27 20:07:45,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2555. [2024-11-27 20:07:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.234934497816594) internal successors, (2828), 2323 states have internal predecessors, (2828), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:07:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3286 transitions. [2024-11-27 20:07:45,271 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3286 transitions. Word has length 167 [2024-11-27 20:07:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:45,271 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3286 transitions. [2024-11-27 20:07:45,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3286 transitions. [2024-11-27 20:07:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:07:45,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:45,272 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:45,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:45,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:45,473 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:45,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash -188741022, now seen corresponding path program 4 times [2024-11-27 20:07:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:45,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760523038] [2024-11-27 20:07:45,474 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:07:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:45,494 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:07:45,494 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:45,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123714798] [2024-11-27 20:07:45,495 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:07:45,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:45,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:45,499 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:45,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-27 20:07:45,603 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:07:45,603 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:45,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:07:45,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:07:46,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:47,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:47,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760523038] [2024-11-27 20:07:47,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:47,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123714798] [2024-11-27 20:07:47,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123714798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:47,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:47,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:07:47,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551493445] [2024-11-27 20:07:47,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:47,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:07:47,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:47,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:07:47,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:07:47,295 INFO L87 Difference]: Start difference. First operand 2555 states and 3286 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:48,780 INFO L93 Difference]: Finished difference Result 2765 states and 3546 transitions. [2024-11-27 20:07:48,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:07:48,781 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 167 [2024-11-27 20:07:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:48,784 INFO L225 Difference]: With dead ends: 2765 [2024-11-27 20:07:48,784 INFO L226 Difference]: Without dead ends: 2764 [2024-11-27 20:07:48,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:07:48,785 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 178 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:48,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 755 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:07:48,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2024-11-27 20:07:49,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2555. [2024-11-27 20:07:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.2344978165938865) internal successors, (2827), 2323 states have internal predecessors, (2827), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:07:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3285 transitions. [2024-11-27 20:07:49,092 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3285 transitions. Word has length 167 [2024-11-27 20:07:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:49,092 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3285 transitions. [2024-11-27 20:07:49,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3285 transitions. [2024-11-27 20:07:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:07:49,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:49,093 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:49,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-27 20:07:49,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:49,294 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:49,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:49,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1744696204, now seen corresponding path program 2 times [2024-11-27 20:07:49,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:49,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947034579] [2024-11-27 20:07:49,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:49,313 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:49,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:49,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830104454] [2024-11-27 20:07:49,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:49,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:49,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:49,316 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:49,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-27 20:07:49,394 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:49,394 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:49,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 20:07:49,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 24 proven. 138 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-27 20:07:50,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:51,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:51,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947034579] [2024-11-27 20:07:51,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:51,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830104454] [2024-11-27 20:07:51,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830104454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:51,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:51,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-27 20:07:51,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461760409] [2024-11-27 20:07:51,204 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:51,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:07:51,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:51,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:07:51,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:07:51,205 INFO L87 Difference]: Start difference. First operand 2555 states and 3285 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:53,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:53,526 INFO L93 Difference]: Finished difference Result 2759 states and 3538 transitions. [2024-11-27 20:07:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:07:53,527 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 168 [2024-11-27 20:07:53,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:53,529 INFO L225 Difference]: With dead ends: 2759 [2024-11-27 20:07:53,530 INFO L226 Difference]: Without dead ends: 2727 [2024-11-27 20:07:53,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:07:53,530 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 86 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:53,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 678 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 20:07:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2024-11-27 20:07:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2555. [2024-11-27 20:07:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.2336244541484715) internal successors, (2825), 2323 states have internal predecessors, (2825), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:07:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3283 transitions. [2024-11-27 20:07:53,919 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3283 transitions. Word has length 168 [2024-11-27 20:07:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:53,919 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3283 transitions. [2024-11-27 20:07:53,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:07:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3283 transitions. [2024-11-27 20:07:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:07:53,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:53,921 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:53,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-11-27 20:07:54,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:54,122 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:07:54,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:54,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1536898434, now seen corresponding path program 3 times [2024-11-27 20:07:54,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:54,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335027176] [2024-11-27 20:07:54,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:54,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:54,164 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:07:54,164 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:07:54,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739913847] [2024-11-27 20:07:54,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:54,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:54,172 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:54,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-27 20:07:54,270 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 20:07:54,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:54,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:07:54,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 24 proven. 111 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:07:55,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:02,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:02,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335027176] [2024-11-27 20:08:02,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:02,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739913847] [2024-11-27 20:08:02,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739913847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:02,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:02,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:08:02,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752083963] [2024-11-27 20:08:02,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:02,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:08:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:02,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:08:02,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=231, Unknown=1, NotChecked=0, Total=272 [2024-11-27 20:08:02,639 INFO L87 Difference]: Start difference. First operand 2555 states and 3283 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:08:09,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:11,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:14,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:19,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:25,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:29,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:32,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:36,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:08:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:38,072 INFO L93 Difference]: Finished difference Result 3034 states and 3900 transitions. [2024-11-27 20:08:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:08:38,073 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 168 [2024-11-27 20:08:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:38,076 INFO L225 Difference]: With dead ends: 3034 [2024-11-27 20:08:38,076 INFO L226 Difference]: Without dead ends: 2981 [2024-11-27 20:08:38,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=69, Invalid=310, Unknown=1, NotChecked=0, Total=380 [2024-11-27 20:08:38,077 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 142 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 10 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:38,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 582 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2703 Invalid, 5 Unknown, 0 Unchecked, 34.9s Time] [2024-11-27 20:08:38,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2024-11-27 20:08:38,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2555. [2024-11-27 20:08:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.2314410480349345) internal successors, (2820), 2323 states have internal predecessors, (2820), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:08:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3278 transitions. [2024-11-27 20:08:38,482 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3278 transitions. Word has length 168 [2024-11-27 20:08:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:38,482 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3278 transitions. [2024-11-27 20:08:38,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-27 20:08:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3278 transitions. [2024-11-27 20:08:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:08:38,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:38,484 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:38,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:38,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:38,688 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:08:38,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:38,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1556004314, now seen corresponding path program 4 times [2024-11-27 20:08:38,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:38,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023591349] [2024-11-27 20:08:38,689 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:08:38,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:38,706 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:08:38,706 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:08:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215466420] [2024-11-27 20:08:38,707 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:08:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:38,709 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:38,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-27 20:08:38,793 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:08:38,793 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:38,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:08:38,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-27 20:08:40,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:40,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023591349] [2024-11-27 20:08:40,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:40,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215466420] [2024-11-27 20:08:40,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215466420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:40,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:40,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:08:40,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085419229] [2024-11-27 20:08:40,255 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:40,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:08:40,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:40,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:08:40,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:08:40,256 INFO L87 Difference]: Start difference. First operand 2555 states and 3278 transitions. Second operand has 12 states, 11 states have (on average 10.363636363636363) internal successors, (114), 12 states have internal predecessors, (114), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:08:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:42,344 INFO L93 Difference]: Finished difference Result 2742 states and 3514 transitions. [2024-11-27 20:08:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:08:42,345 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.363636363636363) internal successors, (114), 12 states have internal predecessors, (114), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 168 [2024-11-27 20:08:42,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:42,348 INFO L225 Difference]: With dead ends: 2742 [2024-11-27 20:08:42,348 INFO L226 Difference]: Without dead ends: 2741 [2024-11-27 20:08:42,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:08:42,349 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 96 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:42,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 554 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:08:42,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-11-27 20:08:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2555. [2024-11-27 20:08:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2555 states, 2290 states have (on average 1.231004366812227) internal successors, (2819), 2323 states have internal predecessors, (2819), 229 states have call successors, (229), 6 states have call predecessors, (229), 6 states have return successors, (229), 225 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-27 20:08:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2555 states and 3277 transitions. [2024-11-27 20:08:42,618 INFO L78 Accepts]: Start accepts. Automaton has 2555 states and 3277 transitions. Word has length 168 [2024-11-27 20:08:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:42,619 INFO L471 AbstractCegarLoop]: Abstraction has 2555 states and 3277 transitions. [2024-11-27 20:08:42,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.363636363636363) internal successors, (114), 12 states have internal predecessors, (114), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-27 20:08:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3277 transitions. [2024-11-27 20:08:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-27 20:08:42,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:42,620 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:42,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-27 20:08:42,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:42,820 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:08:42,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1797760271, now seen corresponding path program 3 times [2024-11-27 20:08:42,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:42,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578503708] [2024-11-27 20:08:42,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:08:42,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:42,846 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:08:42,846 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:08:42,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805930236] [2024-11-27 20:08:42,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:08:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:42,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:42,849 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:42,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-27 20:08:42,917 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 20:08:42,917 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:42,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 20:08:42,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 48 proven. 79 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-27 20:08:56,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:56,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:56,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578503708] [2024-11-27 20:08:56,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:08:56,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805930236] [2024-11-27 20:08:56,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805930236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:56,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:56,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:08:56,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496462068] [2024-11-27 20:08:56,920 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:56,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:08:56,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:56,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:08:56,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=282, Unknown=3, NotChecked=0, Total=342 [2024-11-27 20:08:56,921 INFO L87 Difference]: Start difference. First operand 2555 states and 3277 transitions. Second operand has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:09:01,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:03,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:07,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:11,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:15,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:19,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:23,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:28,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:32,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:40,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:44,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:53,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:09:56,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:00,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:08,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:12,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:16,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:20,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:24,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:28,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:33,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:36,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:40,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:44,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:46,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:50,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:54,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:10:59,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:03,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:07,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:12,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:16,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:20,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:24,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:28,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:32,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-27 20:11:33,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:33,480 INFO L93 Difference]: Finished difference Result 2721 states and 3482 transitions. [2024-11-27 20:11:33,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:11:33,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 175 [2024-11-27 20:11:33,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:33,485 INFO L225 Difference]: With dead ends: 2721 [2024-11-27 20:11:33,485 INFO L226 Difference]: Without dead ends: 2719 [2024-11-27 20:11:33,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=206, Invalid=661, Unknown=3, NotChecked=0, Total=870 [2024-11-27 20:11:33,487 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 414 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 37 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 143.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:33,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 301 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1077 Invalid, 31 Unknown, 0 Unchecked, 143.2s Time] [2024-11-27 20:11:33,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2024-11-27 20:11:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2547. [2024-11-27 20:11:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2547 states, 2283 states have (on average 1.2295225580376696) internal successors, (2807), 2316 states have internal predecessors, (2807), 228 states have call successors, (228), 6 states have call predecessors, (228), 6 states have return successors, (228), 224 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-27 20:11:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 3263 transitions. [2024-11-27 20:11:33,794 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 3263 transitions. Word has length 175 [2024-11-27 20:11:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:33,795 INFO L471 AbstractCegarLoop]: Abstraction has 2547 states and 3263 transitions. [2024-11-27 20:11:33,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-27 20:11:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 3263 transitions. [2024-11-27 20:11:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-27 20:11:33,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:33,796 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:33,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-27 20:11:33,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-11-27 20:11:33,997 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:33,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:33,997 INFO L85 PathProgramCache]: Analyzing trace with hash -672214975, now seen corresponding path program 1 times [2024-11-27 20:11:33,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:33,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557066947] [2024-11-27 20:11:33,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:33,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:11:34,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [998614048] [2024-11-27 20:11:34,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:34,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:34,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:34,012 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:34,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-27 20:11:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:34,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:11:34,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 20:11:35,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:35,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:35,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557066947] [2024-11-27 20:11:35,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:35,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998614048] [2024-11-27 20:11:35,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998614048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:35,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:35,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:11:35,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172086640] [2024-11-27 20:11:35,409 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:35,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:11:35,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:35,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:11:35,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:11:35,410 INFO L87 Difference]: Start difference. First operand 2547 states and 3263 transitions. Second operand has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:36,388 INFO L93 Difference]: Finished difference Result 2818 states and 3627 transitions. [2024-11-27 20:11:36,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:36,388 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 175 [2024-11-27 20:11:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:36,391 INFO L225 Difference]: With dead ends: 2818 [2024-11-27 20:11:36,391 INFO L226 Difference]: Without dead ends: 2816 [2024-11-27 20:11:36,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:11:36,392 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 160 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:36,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 413 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:11:36,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2024-11-27 20:11:36,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2551. [2024-11-27 20:11:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2287 states have (on average 1.2286838653257544) internal successors, (2810), 2320 states have internal predecessors, (2810), 228 states have call successors, (228), 6 states have call predecessors, (228), 6 states have return successors, (228), 224 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-27 20:11:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3266 transitions. [2024-11-27 20:11:36,708 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3266 transitions. Word has length 175 [2024-11-27 20:11:36,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:36,708 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 3266 transitions. [2024-11-27 20:11:36,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3266 transitions. [2024-11-27 20:11:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 20:11:36,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:36,710 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:36,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-11-27 20:11:36,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-11-27 20:11:36,910 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:36,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:36,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1476259536, now seen corresponding path program 2 times [2024-11-27 20:11:36,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:36,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423819920] [2024-11-27 20:11:36,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:36,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:36,926 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:11:36,926 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:11:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045744721] [2024-11-27 20:11:36,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:36,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:36,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:36,929 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:36,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-27 20:11:37,056 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:11:37,056 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:37,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:11:37,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 20:11:38,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:38,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:38,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423819920] [2024-11-27 20:11:38,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:38,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045744721] [2024-11-27 20:11:38,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045744721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:38,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:38,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:11:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179524522] [2024-11-27 20:11:38,609 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:38,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:11:38,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:38,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:11:38,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:11:38,610 INFO L87 Difference]: Start difference. First operand 2551 states and 3266 transitions. Second operand has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:39,993 INFO L93 Difference]: Finished difference Result 2823 states and 3629 transitions. [2024-11-27 20:11:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:11:39,993 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 178 [2024-11-27 20:11:39,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:39,997 INFO L225 Difference]: With dead ends: 2823 [2024-11-27 20:11:39,997 INFO L226 Difference]: Without dead ends: 2822 [2024-11-27 20:11:39,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:11:39,999 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 164 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:39,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 531 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:11:40,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2024-11-27 20:11:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2551. [2024-11-27 20:11:40,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2287 states have (on average 1.2282466112811543) internal successors, (2809), 2320 states have internal predecessors, (2809), 228 states have call successors, (228), 6 states have call predecessors, (228), 6 states have return successors, (228), 224 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-27 20:11:40,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3265 transitions. [2024-11-27 20:11:40,301 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3265 transitions. Word has length 178 [2024-11-27 20:11:40,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:40,302 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 3265 transitions. [2024-11-27 20:11:40,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3265 transitions. [2024-11-27 20:11:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 20:11:40,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:40,303 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:40,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-27 20:11:40,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2024-11-27 20:11:40,503 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:40,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:40,504 INFO L85 PathProgramCache]: Analyzing trace with hash -486048140, now seen corresponding path program 3 times [2024-11-27 20:11:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:40,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430094388] [2024-11-27 20:11:40,504 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:40,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:40,530 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:11:40,530 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:11:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1694605218] [2024-11-27 20:11:40,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:40,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:40,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:40,535 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:40,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-27 20:11:41,482 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:11:41,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:41,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:11:41,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 153 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-27 20:11:42,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:42,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:42,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430094388] [2024-11-27 20:11:42,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:42,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694605218] [2024-11-27 20:11:42,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694605218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:42,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:42,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:11:42,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204820421] [2024-11-27 20:11:42,623 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:42,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:11:42,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:42,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:11:42,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:11:42,624 INFO L87 Difference]: Start difference. First operand 2551 states and 3265 transitions. Second operand has 10 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:43,641 INFO L93 Difference]: Finished difference Result 3245 states and 4177 transitions. [2024-11-27 20:11:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 178 [2024-11-27 20:11:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:43,645 INFO L225 Difference]: With dead ends: 3245 [2024-11-27 20:11:43,645 INFO L226 Difference]: Without dead ends: 3243 [2024-11-27 20:11:43,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:11:43,646 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 309 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:43,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 601 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:11:43,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2024-11-27 20:11:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2658. [2024-11-27 20:11:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 2384 states have (on average 1.2256711409395973) internal successors, (2922), 2417 states have internal predecessors, (2922), 238 states have call successors, (238), 6 states have call predecessors, (238), 6 states have return successors, (238), 234 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-27 20:11:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 3398 transitions. [2024-11-27 20:11:43,960 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 3398 transitions. Word has length 178 [2024-11-27 20:11:43,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:43,960 INFO L471 AbstractCegarLoop]: Abstraction has 2658 states and 3398 transitions. [2024-11-27 20:11:43,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 15.25) internal successors, (122), 9 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3398 transitions. [2024-11-27 20:11:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 20:11:43,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:43,961 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:43,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-27 20:11:44,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-27 20:11:44,162 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:44,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2138886654, now seen corresponding path program 4 times [2024-11-27 20:11:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008215488] [2024-11-27 20:11:44,162 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:11:44,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:44,179 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:11:44,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:11:44,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978952685] [2024-11-27 20:11:44,180 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:11:44,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:44,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:44,184 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-27 20:11:44,282 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:11:44,282 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:44,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:11:44,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 20:11:45,503 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:45,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:45,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008215488] [2024-11-27 20:11:45,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:45,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978952685] [2024-11-27 20:11:45,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978952685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:45,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:45,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:11:45,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621957925] [2024-11-27 20:11:45,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:45,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:11:45,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:45,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:11:45,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:11:45,915 INFO L87 Difference]: Start difference. First operand 2658 states and 3398 transitions. Second operand has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 10 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:47,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:47,358 INFO L93 Difference]: Finished difference Result 2937 states and 3772 transitions. [2024-11-27 20:11:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:11:47,359 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 10 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 178 [2024-11-27 20:11:47,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:47,363 INFO L225 Difference]: With dead ends: 2937 [2024-11-27 20:11:47,363 INFO L226 Difference]: Without dead ends: 2936 [2024-11-27 20:11:47,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:11:47,364 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 187 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:47,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 482 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:11:47,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-27 20:11:47,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2658. [2024-11-27 20:11:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 2384 states have (on average 1.225251677852349) internal successors, (2921), 2417 states have internal predecessors, (2921), 238 states have call successors, (238), 6 states have call predecessors, (238), 6 states have return successors, (238), 234 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-27 20:11:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 3397 transitions. [2024-11-27 20:11:47,741 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 3397 transitions. Word has length 178 [2024-11-27 20:11:47,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:47,741 INFO L471 AbstractCegarLoop]: Abstraction has 2658 states and 3397 transitions. [2024-11-27 20:11:47,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.222222222222221) internal successors, (119), 10 states have internal predecessors, (119), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:47,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3397 transitions. [2024-11-27 20:11:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-27 20:11:47,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:47,742 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:47,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-27 20:11:47,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-27 20:11:47,943 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:47,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:47,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1480594555, now seen corresponding path program 2 times [2024-11-27 20:11:47,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:47,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19681995] [2024-11-27 20:11:47,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:47,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:47,978 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:11:47,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:11:47,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168686094] [2024-11-27 20:11:47,979 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:11:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:47,985 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:47,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-27 20:11:48,087 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:11:48,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:48,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:11:48,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 20:11:49,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:49,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:49,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19681995] [2024-11-27 20:11:49,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:11:49,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168686094] [2024-11-27 20:11:49,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168686094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:49,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:11:49,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:11:49,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511143927] [2024-11-27 20:11:49,094 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:11:49,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:11:49,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:49,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:11:49,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:11:49,095 INFO L87 Difference]: Start difference. First operand 2658 states and 3397 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:50,593 INFO L93 Difference]: Finished difference Result 2801 states and 3583 transitions. [2024-11-27 20:11:50,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:11:50,593 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 179 [2024-11-27 20:11:50,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:50,596 INFO L225 Difference]: With dead ends: 2801 [2024-11-27 20:11:50,596 INFO L226 Difference]: Without dead ends: 2799 [2024-11-27 20:11:50,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:11:50,597 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 86 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:50,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 814 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 20:11:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2799 states. [2024-11-27 20:11:50,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2799 to 2654. [2024-11-27 20:11:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2654 states, 2380 states have (on average 1.2243697478991598) internal successors, (2914), 2413 states have internal predecessors, (2914), 238 states have call successors, (238), 6 states have call predecessors, (238), 6 states have return successors, (238), 234 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-27 20:11:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3390 transitions. [2024-11-27 20:11:50,926 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3390 transitions. Word has length 179 [2024-11-27 20:11:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:50,926 INFO L471 AbstractCegarLoop]: Abstraction has 2654 states and 3390 transitions. [2024-11-27 20:11:50,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:11:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3390 transitions. [2024-11-27 20:11:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-27 20:11:50,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:50,928 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:50,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:51,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:51,128 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:11:51,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:51,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2112376929, now seen corresponding path program 3 times [2024-11-27 20:11:51,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:51,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225216526] [2024-11-27 20:11:51,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:51,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:51,159 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-27 20:11:51,159 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:11:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865729538] [2024-11-27 20:11:51,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:11:51,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:51,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:51,164 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:51,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-27 20:11:51,262 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 20:11:51,263 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:11:51,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 20:11:51,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 54 proven. 129 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-27 20:11:54,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:00,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:00,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225216526] [2024-11-27 20:12:00,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:00,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865729538] [2024-11-27 20:12:00,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865729538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:00,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:00,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-27 20:12:00,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125537321] [2024-11-27 20:12:00,951 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:00,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:12:00,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:00,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:12:00,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:12:00,952 INFO L87 Difference]: Start difference. First operand 2654 states and 3390 transitions. Second operand has 19 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-27 20:12:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:10,142 INFO L93 Difference]: Finished difference Result 3061 states and 3933 transitions. [2024-11-27 20:12:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:12:10,142 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 179 [2024-11-27 20:12:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:10,147 INFO L225 Difference]: With dead ends: 3061 [2024-11-27 20:12:10,147 INFO L226 Difference]: Without dead ends: 3057 [2024-11-27 20:12:10,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=209, Invalid=847, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 20:12:10,149 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 338 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 3972 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 3989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:10,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 550 Invalid, 3989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3972 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-11-27 20:12:10,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3057 states. [2024-11-27 20:12:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3057 to 2619. [2024-11-27 20:12:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2348 states have (on average 1.2206132879045997) internal successors, (2866), 2381 states have internal predecessors, (2866), 235 states have call successors, (235), 6 states have call predecessors, (235), 6 states have return successors, (235), 231 states have call predecessors, (235), 235 states have call successors, (235) [2024-11-27 20:12:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3336 transitions. [2024-11-27 20:12:10,554 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3336 transitions. Word has length 179 [2024-11-27 20:12:10,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:10,554 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 3336 transitions. [2024-11-27 20:12:10,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.882352941176471) internal successors, (100), 16 states have internal predecessors, (100), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-27 20:12:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3336 transitions. [2024-11-27 20:12:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-27 20:12:10,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:10,556 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:10,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:10,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:10,756 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:10,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:10,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1880976749, now seen corresponding path program 4 times [2024-11-27 20:12:10,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:10,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062430533] [2024-11-27 20:12:10,757 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:12:10,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:10,782 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:12:10,782 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:12:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524006051] [2024-11-27 20:12:10,783 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:12:10,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:10,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:10,786 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:10,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-27 20:12:10,900 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:12:10,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:12:10,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:12:10,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 87 proven. 69 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 20:12:12,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:12,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:12,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062430533] [2024-11-27 20:12:12,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:12,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524006051] [2024-11-27 20:12:12,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524006051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:12,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:12,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:12:12,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018074225] [2024-11-27 20:12:12,512 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:12,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:12:12,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:12,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:12:12,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:12:12,514 INFO L87 Difference]: Start difference. First operand 2619 states and 3336 transitions. Second operand has 11 states, 10 states have (on average 12.0) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:12:15,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:15,601 INFO L93 Difference]: Finished difference Result 2989 states and 3823 transitions. [2024-11-27 20:12:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:12:15,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.0) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 179 [2024-11-27 20:12:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:15,604 INFO L225 Difference]: With dead ends: 2989 [2024-11-27 20:12:15,605 INFO L226 Difference]: Without dead ends: 2984 [2024-11-27 20:12:15,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:12:15,605 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 400 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:15,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 572 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 20:12:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2024-11-27 20:12:15,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2744. [2024-11-27 20:12:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 2461 states have (on average 1.2222673709874035) internal successors, (3008), 2494 states have internal predecessors, (3008), 247 states have call successors, (247), 6 states have call predecessors, (247), 6 states have return successors, (247), 243 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-27 20:12:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3502 transitions. [2024-11-27 20:12:15,995 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3502 transitions. Word has length 179 [2024-11-27 20:12:15,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:15,995 INFO L471 AbstractCegarLoop]: Abstraction has 2744 states and 3502 transitions. [2024-11-27 20:12:15,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.0) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:12:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3502 transitions. [2024-11-27 20:12:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-27 20:12:15,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:15,997 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:16,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-27 20:12:16,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:16,198 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:16,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:16,198 INFO L85 PathProgramCache]: Analyzing trace with hash 803916424, now seen corresponding path program 1 times [2024-11-27 20:12:16,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:16,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537908585] [2024-11-27 20:12:16,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:16,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 20:12:16,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:16,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537908585] [2024-11-27 20:12:16,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537908585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:16,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405714918] [2024-11-27 20:12:16,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:16,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:16,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:16,381 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:16,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-27 20:12:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:16,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:12:16,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 20:12:16,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 20:12:16,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405714918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:16,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:16,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-27 20:12:16,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747223290] [2024-11-27 20:12:16,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:16,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:16,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:16,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:16,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:12:16,779 INFO L87 Difference]: Start difference. First operand 2744 states and 3502 transitions. Second operand has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 20:12:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:18,029 INFO L93 Difference]: Finished difference Result 2788 states and 3555 transitions. [2024-11-27 20:12:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:12:18,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 181 [2024-11-27 20:12:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:18,032 INFO L225 Difference]: With dead ends: 2788 [2024-11-27 20:12:18,033 INFO L226 Difference]: Without dead ends: 2720 [2024-11-27 20:12:18,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:12:18,034 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 35 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:18,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 260 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:12:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2024-11-27 20:12:18,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2650. [2024-11-27 20:12:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2379 states have (on average 1.2211013030685163) internal successors, (2905), 2409 states have internal predecessors, (2905), 235 states have call successors, (235), 6 states have call predecessors, (235), 6 states have return successors, (235), 234 states have call predecessors, (235), 235 states have call successors, (235) [2024-11-27 20:12:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3375 transitions. [2024-11-27 20:12:18,456 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3375 transitions. Word has length 181 [2024-11-27 20:12:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:18,456 INFO L471 AbstractCegarLoop]: Abstraction has 2650 states and 3375 transitions. [2024-11-27 20:12:18,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.428571428571427) internal successors, (129), 8 states have internal predecessors, (129), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 20:12:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3375 transitions. [2024-11-27 20:12:18,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-27 20:12:18,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:18,457 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:18,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:18,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2024-11-27 20:12:18,658 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:18,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:18,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1735704167, now seen corresponding path program 1 times [2024-11-27 20:12:18,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:18,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361506179] [2024-11-27 20:12:18,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:18,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361506179] [2024-11-27 20:12:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361506179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827639544] [2024-11-27 20:12:18,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:18,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:18,838 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:18,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-27 20:12:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:18,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:12:18,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-27 20:12:19,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-27 20:12:19,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827639544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:19,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:19,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-27 20:12:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626860518] [2024-11-27 20:12:19,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:19,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:12:19,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:19,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:12:19,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:12:19,621 INFO L87 Difference]: Start difference. First operand 2650 states and 3375 transitions. Second operand has 18 states, 17 states have (on average 17.176470588235293) internal successors, (292), 18 states have internal predecessors, (292), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-27 20:12:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:21,997 INFO L93 Difference]: Finished difference Result 3576 states and 4502 transitions. [2024-11-27 20:12:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 20:12:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 17.176470588235293) internal successors, (292), 18 states have internal predecessors, (292), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 189 [2024-11-27 20:12:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:22,002 INFO L225 Difference]: With dead ends: 3576 [2024-11-27 20:12:22,002 INFO L226 Difference]: Without dead ends: 3574 [2024-11-27 20:12:22,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=634, Invalid=1346, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 20:12:22,003 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 1433 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:22,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 1641 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:12:22,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2024-11-27 20:12:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 2723. [2024-11-27 20:12:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 2446 states have (on average 1.222812755519215) internal successors, (2991), 2476 states have internal predecessors, (2991), 241 states have call successors, (241), 6 states have call predecessors, (241), 6 states have return successors, (241), 240 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-27 20:12:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3473 transitions. [2024-11-27 20:12:22,372 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3473 transitions. Word has length 189 [2024-11-27 20:12:22,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:22,372 INFO L471 AbstractCegarLoop]: Abstraction has 2723 states and 3473 transitions. [2024-11-27 20:12:22,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 17.176470588235293) internal successors, (292), 18 states have internal predecessors, (292), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-27 20:12:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3473 transitions. [2024-11-27 20:12:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-27 20:12:22,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:22,374 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:22,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2024-11-27 20:12:22,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:22,575 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:22,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:22,575 INFO L85 PathProgramCache]: Analyzing trace with hash -928522727, now seen corresponding path program 1 times [2024-11-27 20:12:22,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:22,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962387851] [2024-11-27 20:12:22,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:22,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:22,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962387851] [2024-11-27 20:12:22,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962387851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:22,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43185962] [2024-11-27 20:12:22,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:22,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:22,758 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:22,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-27 20:12:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:22,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:12:22,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 56 proven. 114 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:23,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:23,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43185962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:23,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:23,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-27 20:12:23,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263654941] [2024-11-27 20:12:23,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:23,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 20:12:23,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:23,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:12:23,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:12:23,639 INFO L87 Difference]: Start difference. First operand 2723 states and 3473 transitions. Second operand has 20 states, 19 states have (on average 19.0) internal successors, (361), 20 states have internal predecessors, (361), 15 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 15 states have call successors, (42) [2024-11-27 20:12:26,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:26,672 INFO L93 Difference]: Finished difference Result 4392 states and 5591 transitions. [2024-11-27 20:12:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-27 20:12:26,672 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 19.0) internal successors, (361), 20 states have internal predecessors, (361), 15 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 15 states have call successors, (42) Word has length 189 [2024-11-27 20:12:26,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:26,676 INFO L225 Difference]: With dead ends: 4392 [2024-11-27 20:12:26,676 INFO L226 Difference]: Without dead ends: 4390 [2024-11-27 20:12:26,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1822 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1439, Invalid=4413, Unknown=0, NotChecked=0, Total=5852 [2024-11-27 20:12:26,677 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 2735 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:26,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 1353 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:12:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2024-11-27 20:12:27,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2746. [2024-11-27 20:12:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 2467 states have (on average 1.2213214430482366) internal successors, (3013), 2497 states have internal predecessors, (3013), 243 states have call successors, (243), 6 states have call predecessors, (243), 6 states have return successors, (243), 242 states have call predecessors, (243), 243 states have call successors, (243) [2024-11-27 20:12:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 3499 transitions. [2024-11-27 20:12:27,034 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 3499 transitions. Word has length 189 [2024-11-27 20:12:27,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:27,034 INFO L471 AbstractCegarLoop]: Abstraction has 2746 states and 3499 transitions. [2024-11-27 20:12:27,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 19.0) internal successors, (361), 20 states have internal predecessors, (361), 15 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 15 states have call predecessors, (42), 15 states have call successors, (42) [2024-11-27 20:12:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3499 transitions. [2024-11-27 20:12:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-27 20:12:27,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:27,035 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:27,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-11-27 20:12:27,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-11-27 20:12:27,236 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:27,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1812049925, now seen corresponding path program 1 times [2024-11-27 20:12:27,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:27,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017276803] [2024-11-27 20:12:27,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:27,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:27,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:27,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017276803] [2024-11-27 20:12:27,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017276803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:27,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467535511] [2024-11-27 20:12:27,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:27,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:27,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:27,387 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:27,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-27 20:12:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:27,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:12:27,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:28,060 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:28,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467535511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:28,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:28,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-27 20:12:28,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020410990] [2024-11-27 20:12:28,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:28,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:12:28,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:28,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:12:28,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:12:28,410 INFO L87 Difference]: Start difference. First operand 2746 states and 3499 transitions. Second operand has 14 states, 13 states have (on average 27.846153846153847) internal successors, (362), 14 states have internal predecessors, (362), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-27 20:12:30,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:30,771 INFO L93 Difference]: Finished difference Result 4537 states and 5895 transitions. [2024-11-27 20:12:30,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:12:30,772 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 27.846153846153847) internal successors, (362), 14 states have internal predecessors, (362), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) Word has length 190 [2024-11-27 20:12:30,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:30,777 INFO L225 Difference]: With dead ends: 4537 [2024-11-27 20:12:30,777 INFO L226 Difference]: Without dead ends: 4535 [2024-11-27 20:12:30,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=227, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:12:30,779 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 608 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:30,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 776 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:12:30,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2024-11-27 20:12:31,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 3822. [2024-11-27 20:12:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 3444 states have (on average 1.244773519163763) internal successors, (4287), 3474 states have internal predecessors, (4287), 342 states have call successors, (342), 6 states have call predecessors, (342), 6 states have return successors, (342), 341 states have call predecessors, (342), 342 states have call successors, (342) [2024-11-27 20:12:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 4971 transitions. [2024-11-27 20:12:31,371 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 4971 transitions. Word has length 190 [2024-11-27 20:12:31,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:31,371 INFO L471 AbstractCegarLoop]: Abstraction has 3822 states and 4971 transitions. [2024-11-27 20:12:31,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 27.846153846153847) internal successors, (362), 14 states have internal predecessors, (362), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-27 20:12:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 4971 transitions. [2024-11-27 20:12:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-27 20:12:31,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:31,373 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:31,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2024-11-27 20:12:31,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:31,573 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:31,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:31,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1364300497, now seen corresponding path program 1 times [2024-11-27 20:12:31,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:31,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952049468] [2024-11-27 20:12:31,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:31,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:31,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:31,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952049468] [2024-11-27 20:12:31,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952049468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:31,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017331324] [2024-11-27 20:12:31,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:31,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:31,766 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:31,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-27 20:12:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:31,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:12:31,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:32,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:32,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017331324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:32,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:12:32,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-27 20:12:32,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074662649] [2024-11-27 20:12:32,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:32,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:12:32,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:32,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:12:32,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:12:32,802 INFO L87 Difference]: Start difference. First operand 3822 states and 4971 transitions. Second operand has 14 states, 13 states have (on average 28.307692307692307) internal successors, (368), 14 states have internal predecessors, (368), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-27 20:12:35,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:35,397 INFO L93 Difference]: Finished difference Result 5464 states and 7132 transitions. [2024-11-27 20:12:35,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:12:35,398 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 28.307692307692307) internal successors, (368), 14 states have internal predecessors, (368), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) Word has length 192 [2024-11-27 20:12:35,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:35,404 INFO L225 Difference]: With dead ends: 5464 [2024-11-27 20:12:35,404 INFO L226 Difference]: Without dead ends: 5462 [2024-11-27 20:12:35,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=227, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:12:35,405 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 599 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:35,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 848 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:12:35,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2024-11-27 20:12:36,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 4740. [2024-11-27 20:12:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4740 states, 4282 states have (on average 1.2557216254086876) internal successors, (5377), 4312 states have internal predecessors, (5377), 422 states have call successors, (422), 6 states have call predecessors, (422), 6 states have return successors, (422), 421 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-27 20:12:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4740 states to 4740 states and 6221 transitions. [2024-11-27 20:12:36,175 INFO L78 Accepts]: Start accepts. Automaton has 4740 states and 6221 transitions. Word has length 192 [2024-11-27 20:12:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:36,176 INFO L471 AbstractCegarLoop]: Abstraction has 4740 states and 6221 transitions. [2024-11-27 20:12:36,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 28.307692307692307) internal successors, (368), 14 states have internal predecessors, (368), 13 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-27 20:12:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4740 states and 6221 transitions. [2024-11-27 20:12:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:12:36,177 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:36,178 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:36,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:36,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:36,378 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:36,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:36,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2059749358, now seen corresponding path program 5 times [2024-11-27 20:12:36,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:36,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028735720] [2024-11-27 20:12:36,379 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:12:36,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:36,404 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:12:36,404 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:12:36,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749549748] [2024-11-27 20:12:36,406 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:12:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:36,410 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:36,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-27 20:12:36,920 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:12:36,920 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:12:36,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:12:36,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:38,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:38,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:38,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028735720] [2024-11-27 20:12:38,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:38,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749549748] [2024-11-27 20:12:38,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749549748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:38,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:38,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:12:38,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202897517] [2024-11-27 20:12:38,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:38,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:38,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:38,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:38,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:38,369 INFO L87 Difference]: Start difference. First operand 4740 states and 6221 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:40,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:40,349 INFO L93 Difference]: Finished difference Result 4799 states and 6292 transitions. [2024-11-27 20:12:40,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:12:40,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:12:40,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:40,356 INFO L225 Difference]: With dead ends: 4799 [2024-11-27 20:12:40,356 INFO L226 Difference]: Without dead ends: 4797 [2024-11-27 20:12:40,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:40,358 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 74 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:40,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 592 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:12:40,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4797 states. [2024-11-27 20:12:41,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4797 to 4756. [2024-11-27 20:12:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4756 states, 4296 states have (on average 1.2548882681564246) internal successors, (5391), 4326 states have internal predecessors, (5391), 424 states have call successors, (424), 6 states have call predecessors, (424), 6 states have return successors, (424), 423 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-27 20:12:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6239 transitions. [2024-11-27 20:12:41,155 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6239 transitions. Word has length 199 [2024-11-27 20:12:41,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:41,155 INFO L471 AbstractCegarLoop]: Abstraction has 4756 states and 6239 transitions. [2024-11-27 20:12:41,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6239 transitions. [2024-11-27 20:12:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:12:41,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:41,157 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:41,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2024-11-27 20:12:41,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:41,358 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:41,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2056516534, now seen corresponding path program 6 times [2024-11-27 20:12:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:41,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324127306] [2024-11-27 20:12:41,358 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:12:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:41,389 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:12:41,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:12:41,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964231299] [2024-11-27 20:12:41,391 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:12:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:41,396 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:41,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-27 20:12:41,670 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:12:41,670 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:12:41,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:12:41,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:42,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324127306] [2024-11-27 20:12:43,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964231299] [2024-11-27 20:12:43,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964231299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:43,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:43,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:12:43,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749916391] [2024-11-27 20:12:43,150 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:43,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:12:43,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:43,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:12:43,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:43,151 INFO L87 Difference]: Start difference. First operand 4756 states and 6239 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:45,085 INFO L93 Difference]: Finished difference Result 4827 states and 6322 transitions. [2024-11-27 20:12:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:12:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:12:45,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:45,094 INFO L225 Difference]: With dead ends: 4827 [2024-11-27 20:12:45,095 INFO L226 Difference]: Without dead ends: 4825 [2024-11-27 20:12:45,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:45,097 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 92 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:45,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 523 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:12:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2024-11-27 20:12:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4742. [2024-11-27 20:12:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4742 states, 4284 states have (on average 1.2551353874883286) internal successors, (5377), 4314 states have internal predecessors, (5377), 422 states have call successors, (422), 6 states have call predecessors, (422), 6 states have return successors, (422), 421 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-27 20:12:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 6221 transitions. [2024-11-27 20:12:45,882 INFO L78 Accepts]: Start accepts. Automaton has 4742 states and 6221 transitions. Word has length 199 [2024-11-27 20:12:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:45,883 INFO L471 AbstractCegarLoop]: Abstraction has 4742 states and 6221 transitions. [2024-11-27 20:12:45,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 4742 states and 6221 transitions. [2024-11-27 20:12:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:12:45,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:45,884 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:45,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2024-11-27 20:12:46,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:46,085 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:46,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:46,085 INFO L85 PathProgramCache]: Analyzing trace with hash -729361560, now seen corresponding path program 7 times [2024-11-27 20:12:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:46,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221408618] [2024-11-27 20:12:46,086 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:12:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:12:46,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928023610] [2024-11-27 20:12:46,103 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:12:46,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:46,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:46,106 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:46,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-27 20:12:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:46,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:12:46,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:47,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:47,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:47,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221408618] [2024-11-27 20:12:47,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:47,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928023610] [2024-11-27 20:12:47,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928023610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:47,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:47,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:12:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325586679] [2024-11-27 20:12:47,658 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:47,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:12:47,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:47,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:12:47,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:47,659 INFO L87 Difference]: Start difference. First operand 4742 states and 6221 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:49,416 INFO L93 Difference]: Finished difference Result 4804 states and 6293 transitions. [2024-11-27 20:12:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:12:49,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:12:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:49,423 INFO L225 Difference]: With dead ends: 4804 [2024-11-27 20:12:49,423 INFO L226 Difference]: Without dead ends: 4802 [2024-11-27 20:12:49,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:49,425 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 91 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:49,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 646 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:12:49,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2024-11-27 20:12:50,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4742. [2024-11-27 20:12:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4742 states, 4284 states have (on average 1.2549019607843137) internal successors, (5376), 4314 states have internal predecessors, (5376), 422 states have call successors, (422), 6 states have call predecessors, (422), 6 states have return successors, (422), 421 states have call predecessors, (422), 422 states have call successors, (422) [2024-11-27 20:12:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 6220 transitions. [2024-11-27 20:12:50,238 INFO L78 Accepts]: Start accepts. Automaton has 4742 states and 6220 transitions. Word has length 199 [2024-11-27 20:12:50,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:50,238 INFO L471 AbstractCegarLoop]: Abstraction has 4742 states and 6220 transitions. [2024-11-27 20:12:50,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4742 states and 6220 transitions. [2024-11-27 20:12:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:12:50,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:50,240 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:50,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2024-11-27 20:12:50,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:50,441 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:50,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1151341244, now seen corresponding path program 8 times [2024-11-27 20:12:50,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:50,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193668113] [2024-11-27 20:12:50,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:12:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:50,461 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:12:50,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:12:50,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218511417] [2024-11-27 20:12:50,463 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:12:50,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:50,471 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-11-27 20:12:50,566 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:12:50,566 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:12:50,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:12:50,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:12:51,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:52,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193668113] [2024-11-27 20:12:52,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:12:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218511417] [2024-11-27 20:12:52,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218511417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:52,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:52,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:12:52,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820788764] [2024-11-27 20:12:52,576 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:52,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:12:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:52,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:12:52,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:12:52,578 INFO L87 Difference]: Start difference. First operand 4742 states and 6220 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:54,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:54,897 INFO L93 Difference]: Finished difference Result 4841 states and 6338 transitions. [2024-11-27 20:12:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:12:54,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:12:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:54,905 INFO L225 Difference]: With dead ends: 4841 [2024-11-27 20:12:54,905 INFO L226 Difference]: Without dead ends: 4839 [2024-11-27 20:12:54,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:12:54,908 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 129 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:54,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 802 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:12:54,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4839 states. [2024-11-27 20:12:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4839 to 4758. [2024-11-27 20:12:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 4298 states have (on average 1.254071661237785) internal successors, (5390), 4328 states have internal predecessors, (5390), 424 states have call successors, (424), 6 states have call predecessors, (424), 6 states have return successors, (424), 423 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-27 20:12:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6238 transitions. [2024-11-27 20:12:55,684 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6238 transitions. Word has length 199 [2024-11-27 20:12:55,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:55,684 INFO L471 AbstractCegarLoop]: Abstraction has 4758 states and 6238 transitions. [2024-11-27 20:12:55,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:12:55,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6238 transitions. [2024-11-27 20:12:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:12:55,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:55,686 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:55,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2024-11-27 20:12:55,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:55,886 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:12:55,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:55,887 INFO L85 PathProgramCache]: Analyzing trace with hash 357747958, now seen corresponding path program 9 times [2024-11-27 20:12:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:55,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130946306] [2024-11-27 20:12:55,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:12:55,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:55,912 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 20:12:55,912 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:12:55,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514945449] [2024-11-27 20:12:55,913 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:12:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:55,916 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:55,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-11-27 20:12:56,051 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:12:56,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:12:56,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:12:56,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 27 proven. 183 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-27 20:12:56,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:05,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:05,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130946306] [2024-11-27 20:13:05,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:05,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514945449] [2024-11-27 20:13:05,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514945449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:05,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:05,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:13:05,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833602505] [2024-11-27 20:13:05,765 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:05,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:13:05,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:05,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:13:05,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=275, Unknown=1, NotChecked=0, Total=342 [2024-11-27 20:13:05,766 INFO L87 Difference]: Start difference. First operand 4758 states and 6238 transitions. Second operand has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:13:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:08,633 INFO L93 Difference]: Finished difference Result 4851 states and 6341 transitions. [2024-11-27 20:13:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:13:08,633 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 199 [2024-11-27 20:13:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:08,638 INFO L225 Difference]: With dead ends: 4851 [2024-11-27 20:13:08,639 INFO L226 Difference]: Without dead ends: 4827 [2024-11-27 20:13:08,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=129, Invalid=470, Unknown=1, NotChecked=0, Total=600 [2024-11-27 20:13:08,640 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 417 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:08,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 916 Invalid, 2166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-27 20:13:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2024-11-27 20:13:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4752. [2024-11-27 20:13:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4752 states, 4293 states have (on average 1.2529699510831587) internal successors, (5379), 4323 states have internal predecessors, (5379), 423 states have call successors, (423), 6 states have call predecessors, (423), 6 states have return successors, (423), 422 states have call predecessors, (423), 423 states have call successors, (423) [2024-11-27 20:13:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4752 states to 4752 states and 6225 transitions. [2024-11-27 20:13:09,330 INFO L78 Accepts]: Start accepts. Automaton has 4752 states and 6225 transitions. Word has length 199 [2024-11-27 20:13:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:09,330 INFO L471 AbstractCegarLoop]: Abstraction has 4752 states and 6225 transitions. [2024-11-27 20:13:09,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.5) internal successors, (115), 11 states have internal predecessors, (115), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:13:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 4752 states and 6225 transitions. [2024-11-27 20:13:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:13:09,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:09,333 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:09,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:09,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:09,533 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:13:09,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:09,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1075139218, now seen corresponding path program 10 times [2024-11-27 20:13:09,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:09,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548284355] [2024-11-27 20:13:09,534 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:13:09,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:09,554 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:13:09,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:13:09,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909928952] [2024-11-27 20:13:09,555 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:13:09,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:09,558 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:09,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-11-27 20:13:09,677 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:13:09,677 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:09,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:13:09,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:10,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:11,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:11,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548284355] [2024-11-27 20:13:11,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:11,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909928952] [2024-11-27 20:13:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909928952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:13:11,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:13:11,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-27 20:13:11,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431170495] [2024-11-27 20:13:11,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:11,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:13:11,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:11,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:13:11,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:13:11,740 INFO L87 Difference]: Start difference. First operand 4752 states and 6225 transitions. Second operand has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:13:17,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:17,512 INFO L93 Difference]: Finished difference Result 5054 states and 6596 transitions. [2024-11-27 20:13:17,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:13:17,512 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) Word has length 199 [2024-11-27 20:13:17,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:17,517 INFO L225 Difference]: With dead ends: 5054 [2024-11-27 20:13:17,517 INFO L226 Difference]: Without dead ends: 5052 [2024-11-27 20:13:17,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:13:17,518 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 548 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:17,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1143 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2121 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-27 20:13:17,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5052 states. [2024-11-27 20:13:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5052 to 4805. [2024-11-27 20:13:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4805 states, 4342 states have (on average 1.2505757715338555) internal successors, (5430), 4372 states have internal predecessors, (5430), 427 states have call successors, (427), 6 states have call predecessors, (427), 6 states have return successors, (427), 426 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-27 20:13:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 4805 states and 6284 transitions. [2024-11-27 20:13:18,188 INFO L78 Accepts]: Start accepts. Automaton has 4805 states and 6284 transitions. Word has length 199 [2024-11-27 20:13:18,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:18,188 INFO L471 AbstractCegarLoop]: Abstraction has 4805 states and 6284 transitions. [2024-11-27 20:13:18,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.153846153846153) internal successors, (262), 14 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:13:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4805 states and 6284 transitions. [2024-11-27 20:13:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:13:18,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:18,191 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:18,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:18,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:18,395 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:13:18,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:18,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1710738876, now seen corresponding path program 11 times [2024-11-27 20:13:18,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:18,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043280031] [2024-11-27 20:13:18,396 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:13:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:18,420 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:13:18,421 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:13:18,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135079122] [2024-11-27 20:13:18,422 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:13:18,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:18,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:18,424 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:18,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-11-27 20:13:18,564 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:13:18,564 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:18,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 20:13:18,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 6 proven. 225 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 20:13:19,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:19,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:19,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043280031] [2024-11-27 20:13:19,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:19,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135079122] [2024-11-27 20:13:19,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135079122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:19,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:19,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:13:19,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788089650] [2024-11-27 20:13:19,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:19,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:13:19,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:19,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:13:19,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:13:19,845 INFO L87 Difference]: Start difference. First operand 4805 states and 6284 transitions. Second operand has 11 states, 10 states have (on average 13.8) internal successors, (138), 11 states have internal predecessors, (138), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:21,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:21,429 INFO L93 Difference]: Finished difference Result 4853 states and 6339 transitions. [2024-11-27 20:13:21,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:13:21,429 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.8) internal successors, (138), 11 states have internal predecessors, (138), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:13:21,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:21,434 INFO L225 Difference]: With dead ends: 4853 [2024-11-27 20:13:21,434 INFO L226 Difference]: Without dead ends: 4851 [2024-11-27 20:13:21,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:13:21,435 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 78 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:21,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 761 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:13:21,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2024-11-27 20:13:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4805. [2024-11-27 20:13:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4805 states, 4342 states have (on average 1.2503454629203132) internal successors, (5429), 4372 states have internal predecessors, (5429), 427 states have call successors, (427), 6 states have call predecessors, (427), 6 states have return successors, (427), 426 states have call predecessors, (427), 427 states have call successors, (427) [2024-11-27 20:13:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 4805 states and 6283 transitions. [2024-11-27 20:13:22,079 INFO L78 Accepts]: Start accepts. Automaton has 4805 states and 6283 transitions. Word has length 199 [2024-11-27 20:13:22,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:22,079 INFO L471 AbstractCegarLoop]: Abstraction has 4805 states and 6283 transitions. [2024-11-27 20:13:22,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.8) internal successors, (138), 11 states have internal predecessors, (138), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4805 states and 6283 transitions. [2024-11-27 20:13:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:13:22,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:22,082 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:22,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:22,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:22,282 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:13:22,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:22,283 INFO L85 PathProgramCache]: Analyzing trace with hash -2132718560, now seen corresponding path program 12 times [2024-11-27 20:13:22,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:22,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844913718] [2024-11-27 20:13:22,283 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:13:22,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:22,302 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:13:22,302 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:13:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768701377] [2024-11-27 20:13:22,303 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:13:22,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:22,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:22,307 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:22,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-11-27 20:13:26,509 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:13:26,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:26,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:13:26,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:27,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:28,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:28,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844913718] [2024-11-27 20:13:28,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:28,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768701377] [2024-11-27 20:13:28,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768701377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:28,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:28,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-27 20:13:28,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324394928] [2024-11-27 20:13:28,470 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:28,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:13:28,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:28,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:13:28,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:13:28,471 INFO L87 Difference]: Start difference. First operand 4805 states and 6283 transitions. Second operand has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:30,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:30,867 INFO L93 Difference]: Finished difference Result 4882 states and 6375 transitions. [2024-11-27 20:13:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:13:30,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:13:30,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:30,873 INFO L225 Difference]: With dead ends: 4882 [2024-11-27 20:13:30,874 INFO L226 Difference]: Without dead ends: 4880 [2024-11-27 20:13:30,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:13:30,875 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 121 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:30,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1027 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:13:30,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2024-11-27 20:13:31,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 4799. [2024-11-27 20:13:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4799 states, 4337 states have (on average 1.2504035047267696) internal successors, (5423), 4367 states have internal predecessors, (5423), 426 states have call successors, (426), 6 states have call predecessors, (426), 6 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2024-11-27 20:13:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 6275 transitions. [2024-11-27 20:13:31,666 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 6275 transitions. Word has length 199 [2024-11-27 20:13:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:31,667 INFO L471 AbstractCegarLoop]: Abstraction has 4799 states and 6275 transitions. [2024-11-27 20:13:31,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 6275 transitions. [2024-11-27 20:13:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:13:31,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:31,669 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:31,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Ended with exit code 0 [2024-11-27 20:13:31,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:31,873 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:13:31,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:31,874 INFO L85 PathProgramCache]: Analyzing trace with hash -623629358, now seen corresponding path program 13 times [2024-11-27 20:13:31,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:31,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096691092] [2024-11-27 20:13:31,874 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:13:31,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:13:31,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367102741] [2024-11-27 20:13:31,893 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:13:31,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:31,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:31,898 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2024-11-27 20:13:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:32,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:13:32,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:33,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:34,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:34,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096691092] [2024-11-27 20:13:34,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:34,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367102741] [2024-11-27 20:13:34,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367102741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:34,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:34,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-27 20:13:34,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6192515] [2024-11-27 20:13:34,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:34,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:13:34,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:34,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:13:34,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:13:34,154 INFO L87 Difference]: Start difference. First operand 4799 states and 6275 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:36,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:36,492 INFO L93 Difference]: Finished difference Result 4861 states and 6347 transitions. [2024-11-27 20:13:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:13:36,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 199 [2024-11-27 20:13:36,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:36,500 INFO L225 Difference]: With dead ends: 4861 [2024-11-27 20:13:36,500 INFO L226 Difference]: Without dead ends: 4859 [2024-11-27 20:13:36,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:13:36,502 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 130 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:36,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 611 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:13:36,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2024-11-27 20:13:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 4799. [2024-11-27 20:13:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4799 states, 4337 states have (on average 1.250172930597187) internal successors, (5422), 4367 states have internal predecessors, (5422), 426 states have call successors, (426), 6 states have call predecessors, (426), 6 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2024-11-27 20:13:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 6274 transitions. [2024-11-27 20:13:37,323 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 6274 transitions. Word has length 199 [2024-11-27 20:13:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:37,323 INFO L471 AbstractCegarLoop]: Abstraction has 4799 states and 6274 transitions. [2024-11-27 20:13:37,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.875) internal successors, (135), 9 states have internal predecessors, (135), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:13:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 6274 transitions. [2024-11-27 20:13:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-27 20:13:37,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:37,325 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:37,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2024-11-27 20:13:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96 [2024-11-27 20:13:37,526 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:13:37,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:37,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1224310446, now seen corresponding path program 14 times [2024-11-27 20:13:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344968693] [2024-11-27 20:13:37,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:13:37,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:37,548 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:13:37,548 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:13:37,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073261325] [2024-11-27 20:13:37,549 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:13:37,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:37,551 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:37,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2024-11-27 20:13:37,643 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:13:37,643 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:37,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:13:37,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:38,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:13:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:13:40,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:40,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344968693] [2024-11-27 20:13:40,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:13:40,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073261325] [2024-11-27 20:13:40,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073261325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:13:40,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:13:40,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2024-11-27 20:13:40,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000740208] [2024-11-27 20:13:40,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:13:40,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 20:13:40,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:40,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 20:13:40,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:13:40,519 INFO L87 Difference]: Start difference. First operand 4799 states and 6274 transitions. Second operand has 16 states, 15 states have (on average 17.466666666666665) internal successors, (262), 16 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:13:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:59,378 INFO L93 Difference]: Finished difference Result 5087 states and 6626 transitions. [2024-11-27 20:13:59,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 20:13:59,379 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 17.466666666666665) internal successors, (262), 16 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) Word has length 199 [2024-11-27 20:13:59,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:59,385 INFO L225 Difference]: With dead ends: 5087 [2024-11-27 20:13:59,385 INFO L226 Difference]: Without dead ends: 5084 [2024-11-27 20:13:59,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2024-11-27 20:13:59,387 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 593 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:59,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1178 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2024-11-27 20:13:59,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5084 states. [2024-11-27 20:14:00,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5084 to 4902. [2024-11-27 20:14:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4902 states, 4431 states have (on average 1.248250959151433) internal successors, (5531), 4461 states have internal predecessors, (5531), 435 states have call successors, (435), 6 states have call predecessors, (435), 6 states have return successors, (435), 434 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-27 20:14:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4902 states to 4902 states and 6401 transitions. [2024-11-27 20:14:00,156 INFO L78 Accepts]: Start accepts. Automaton has 4902 states and 6401 transitions. Word has length 199 [2024-11-27 20:14:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:00,156 INFO L471 AbstractCegarLoop]: Abstraction has 4902 states and 6401 transitions. [2024-11-27 20:14:00,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 17.466666666666665) internal successors, (262), 16 states have internal predecessors, (262), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:14:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 6401 transitions. [2024-11-27 20:14:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:14:00,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:00,158 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:00,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2024-11-27 20:14:00,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2024-11-27 20:14:00,358 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:14:00,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:00,359 INFO L85 PathProgramCache]: Analyzing trace with hash -903430746, now seen corresponding path program 7 times [2024-11-27 20:14:00,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:00,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149277322] [2024-11-27 20:14:00,359 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:14:00,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:14:00,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29217939] [2024-11-27 20:14:00,378 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:14:00,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:00,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:00,385 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:00,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2024-11-27 20:14:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:00,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:14:00,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:14:01,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:14:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149277322] [2024-11-27 20:14:01,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:14:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29217939] [2024-11-27 20:14:01,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29217939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:14:01,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:14:01,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 20:14:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812639830] [2024-11-27 20:14:01,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:14:01,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:14:01,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:01,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:14:01,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:14:01,850 INFO L87 Difference]: Start difference. First operand 4902 states and 6401 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:14:03,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:03,496 INFO L93 Difference]: Finished difference Result 4965 states and 6476 transitions. [2024-11-27 20:14:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:14:03,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:14:03,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:03,504 INFO L225 Difference]: With dead ends: 4965 [2024-11-27 20:14:03,504 INFO L226 Difference]: Without dead ends: 4963 [2024-11-27 20:14:03,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:14:03,506 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 63 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:03,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 560 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:14:03,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2024-11-27 20:14:04,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4924. [2024-11-27 20:14:04,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4924 states, 4451 states have (on average 1.2482588182430914) internal successors, (5556), 4482 states have internal predecessors, (5556), 437 states have call successors, (437), 6 states have call predecessors, (437), 6 states have return successors, (437), 435 states have call predecessors, (437), 437 states have call successors, (437) [2024-11-27 20:14:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4924 states to 4924 states and 6430 transitions. [2024-11-27 20:14:04,362 INFO L78 Accepts]: Start accepts. Automaton has 4924 states and 6430 transitions. Word has length 201 [2024-11-27 20:14:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:04,363 INFO L471 AbstractCegarLoop]: Abstraction has 4924 states and 6430 transitions. [2024-11-27 20:14:04,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:14:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4924 states and 6430 transitions. [2024-11-27 20:14:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:14:04,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:04,365 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:04,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2024-11-27 20:14:04,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2024-11-27 20:14:04,565 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:14:04,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:04,566 INFO L85 PathProgramCache]: Analyzing trace with hash -836788150, now seen corresponding path program 8 times [2024-11-27 20:14:04,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:04,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058390619] [2024-11-27 20:14:04,566 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:14:04,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:04,585 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:14:04,585 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:14:04,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628872995] [2024-11-27 20:14:04,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:14:04,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:04,589 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:04,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-11-27 20:14:04,686 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:14:04,687 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:14:04,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:14:04,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:14:05,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:14:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:14:07,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:07,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058390619] [2024-11-27 20:14:07,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:14:07,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628872995] [2024-11-27 20:14:07,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628872995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:14:07,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:14:07,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-27 20:14:07,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121646646] [2024-11-27 20:14:07,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:14:07,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:14:07,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:07,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:14:07,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:14:07,869 INFO L87 Difference]: Start difference. First operand 4924 states and 6430 transitions. Second operand has 17 states, 16 states have (on average 16.625) internal successors, (266), 17 states have internal predecessors, (266), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:14:13,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:14:14,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:14:17,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:14:21,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:14:27,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:14:33,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:33,638 INFO L93 Difference]: Finished difference Result 5201 states and 6789 transitions. [2024-11-27 20:14:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-27 20:14:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 16.625) internal successors, (266), 17 states have internal predecessors, (266), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) Word has length 201 [2024-11-27 20:14:33,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:33,645 INFO L225 Difference]: With dead ends: 5201 [2024-11-27 20:14:33,645 INFO L226 Difference]: Without dead ends: 5199 [2024-11-27 20:14:33,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=245, Invalid=685, Unknown=0, NotChecked=0, Total=930 [2024-11-27 20:14:33,648 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 649 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 91 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:33,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1238 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2498 Invalid, 2 Unknown, 0 Unchecked, 23.1s Time] [2024-11-27 20:14:33,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2024-11-27 20:14:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5015. [2024-11-27 20:14:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4534 states have (on average 1.2481252756947507) internal successors, (5659), 4565 states have internal predecessors, (5659), 445 states have call successors, (445), 6 states have call predecessors, (445), 6 states have return successors, (445), 443 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-27 20:14:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6549 transitions. [2024-11-27 20:14:34,465 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6549 transitions. Word has length 201 [2024-11-27 20:14:34,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:34,466 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6549 transitions. [2024-11-27 20:14:34,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 16.625) internal successors, (266), 17 states have internal predecessors, (266), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-27 20:14:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6549 transitions. [2024-11-27 20:14:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:14:34,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:34,467 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:34,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Forceful destruction successful, exit code 0 [2024-11-27 20:14:34,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2024-11-27 20:14:34,668 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:14:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash 198405720, now seen corresponding path program 9 times [2024-11-27 20:14:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465888729] [2024-11-27 20:14:34,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:14:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:34,690 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 20:14:34,690 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:14:34,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1061596550] [2024-11-27 20:14:34,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:14:34,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:34,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:34,693 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:34,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2024-11-27 20:14:34,812 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:14:34,812 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:14:34,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:14:34,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 191 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-11-27 20:14:54,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:21,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:21,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465888729] [2024-11-27 20:15:21,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:21,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061596550] [2024-11-27 20:15:21,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061596550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:21,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:21,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:15:21,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533971084] [2024-11-27 20:15:21,871 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:21,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:15:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:21,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:15:21,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=339, Unknown=5, NotChecked=0, Total=420 [2024-11-27 20:15:21,872 INFO L87 Difference]: Start difference. First operand 5015 states and 6549 transitions. Second operand has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:15:28,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:31,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:33,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:37,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:39,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:41,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:42,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:47,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:50,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:53,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:56,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:56,224 INFO L93 Difference]: Finished difference Result 5086 states and 6634 transitions. [2024-11-27 20:15:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:15:56,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 201 [2024-11-27 20:15:56,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:56,232 INFO L225 Difference]: With dead ends: 5086 [2024-11-27 20:15:56,232 INFO L226 Difference]: Without dead ends: 5084 [2024-11-27 20:15:56,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 31.5s TimeCoverageRelationStatistics Valid=111, Invalid=436, Unknown=5, NotChecked=0, Total=552 [2024-11-27 20:15:56,234 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 183 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:56,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1215 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2442 Invalid, 2 Unknown, 0 Unchecked, 33.5s Time] [2024-11-27 20:15:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5084 states. [2024-11-27 20:15:56,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5084 to 5015. [2024-11-27 20:15:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4534 states have (on average 1.2476841640935157) internal successors, (5657), 4565 states have internal predecessors, (5657), 445 states have call successors, (445), 6 states have call predecessors, (445), 6 states have return successors, (445), 443 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-27 20:15:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6547 transitions. [2024-11-27 20:15:56,960 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6547 transitions. Word has length 201 [2024-11-27 20:15:56,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:56,961 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6547 transitions. [2024-11-27 20:15:56,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-27 20:15:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6547 transitions. [2024-11-27 20:15:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:15:56,962 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:56,962 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:56,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:57,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2024-11-27 20:15:57,162 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:15:57,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1878328076, now seen corresponding path program 10 times [2024-11-27 20:15:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:57,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150828345] [2024-11-27 20:15:57,163 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:15:57,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:57,180 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:15:57,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:15:57,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464625205] [2024-11-27 20:15:57,181 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:15:57,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:57,183 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2024-11-27 20:15:57,264 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:15:57,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:15:57,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:15:57,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:15:58,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:58,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:58,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150828345] [2024-11-27 20:15:58,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:58,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464625205] [2024-11-27 20:15:58,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464625205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:58,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:58,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:15:58,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628238992] [2024-11-27 20:15:58,413 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:58,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:15:58,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:58,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:15:58,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:58,413 INFO L87 Difference]: Start difference. First operand 5015 states and 6547 transitions. Second operand has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:15:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:59,887 INFO L93 Difference]: Finished difference Result 5074 states and 6619 transitions. [2024-11-27 20:15:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:15:59,888 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:15:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:59,893 INFO L225 Difference]: With dead ends: 5074 [2024-11-27 20:15:59,894 INFO L226 Difference]: Without dead ends: 5072 [2024-11-27 20:15:59,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:59,895 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 105 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:59,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 561 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:15:59,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2024-11-27 20:16:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 5015. [2024-11-27 20:16:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4534 states have (on average 1.247463608292898) internal successors, (5656), 4565 states have internal predecessors, (5656), 445 states have call successors, (445), 6 states have call predecessors, (445), 6 states have return successors, (445), 443 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-27 20:16:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6546 transitions. [2024-11-27 20:16:00,620 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6546 transitions. Word has length 201 [2024-11-27 20:16:00,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:00,620 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6546 transitions. [2024-11-27 20:16:00,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6546 transitions. [2024-11-27 20:16:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:16:00,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:00,622 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:00,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Ended with exit code 0 [2024-11-27 20:16:00,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2024-11-27 20:16:00,822 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:00,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash 952416294, now seen corresponding path program 11 times [2024-11-27 20:16:00,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:00,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788378219] [2024-11-27 20:16:00,823 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:16:00,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:00,840 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:16:00,840 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:00,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767085156] [2024-11-27 20:16:00,841 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:16:00,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:00,843 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:00,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2024-11-27 20:16:00,980 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-27 20:16:00,980 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:00,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 20:16:00,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 233 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 20:16:02,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:02,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:02,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788378219] [2024-11-27 20:16:02,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:02,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767085156] [2024-11-27 20:16:02,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767085156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:02,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:02,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-27 20:16:02,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511286480] [2024-11-27 20:16:02,296 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:02,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:16:02,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:02,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:16:02,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:16:02,297 INFO L87 Difference]: Start difference. First operand 5015 states and 6546 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:03,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:03,937 INFO L93 Difference]: Finished difference Result 5057 states and 6596 transitions. [2024-11-27 20:16:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:16:03,938 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:16:03,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:03,943 INFO L225 Difference]: With dead ends: 5057 [2024-11-27 20:16:03,943 INFO L226 Difference]: Without dead ends: 5055 [2024-11-27 20:16:03,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:16:03,945 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 69 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:03,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 730 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:16:03,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2024-11-27 20:16:04,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5015. [2024-11-27 20:16:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4534 states have (on average 1.2472430524922806) internal successors, (5655), 4565 states have internal predecessors, (5655), 445 states have call successors, (445), 6 states have call predecessors, (445), 6 states have return successors, (445), 443 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-27 20:16:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6545 transitions. [2024-11-27 20:16:04,667 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6545 transitions. Word has length 201 [2024-11-27 20:16:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:04,667 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6545 transitions. [2024-11-27 20:16:04,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6545 transitions. [2024-11-27 20:16:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:16:04,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:04,669 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:04,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Ended with exit code 0 [2024-11-27 20:16:04,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2024-11-27 20:16:04,869 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:04,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:04,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1987610164, now seen corresponding path program 12 times [2024-11-27 20:16:04,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:04,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581321407] [2024-11-27 20:16:04,870 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:16:04,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:04,890 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:16:04,890 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:04,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1468492342] [2024-11-27 20:16:04,891 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:16:04,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:04,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:04,896 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:04,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2024-11-27 20:16:05,125 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 20:16:05,125 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:05,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:16:05,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:16:06,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:06,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:06,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581321407] [2024-11-27 20:16:06,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:06,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468492342] [2024-11-27 20:16:06,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468492342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:06,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:06,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-27 20:16:06,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535859482] [2024-11-27 20:16:06,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:06,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:16:06,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:06,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:16:06,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:16:06,356 INFO L87 Difference]: Start difference. First operand 5015 states and 6545 transitions. Second operand has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:07,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:07,706 INFO L93 Difference]: Finished difference Result 5073 states and 6614 transitions. [2024-11-27 20:16:07,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:16:07,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:16:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:07,712 INFO L225 Difference]: With dead ends: 5073 [2024-11-27 20:16:07,712 INFO L226 Difference]: Without dead ends: 5071 [2024-11-27 20:16:07,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:16:07,713 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 93 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:07,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 414 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:16:07,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2024-11-27 20:16:08,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 5015. [2024-11-27 20:16:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 4534 states have (on average 1.247022496691663) internal successors, (5654), 4565 states have internal predecessors, (5654), 445 states have call successors, (445), 6 states have call predecessors, (445), 6 states have return successors, (445), 443 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-27 20:16:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6544 transitions. [2024-11-27 20:16:08,413 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6544 transitions. Word has length 201 [2024-11-27 20:16:08,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:08,414 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6544 transitions. [2024-11-27 20:16:08,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6544 transitions. [2024-11-27 20:16:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:16:08,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:08,415 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:08,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Ended with exit code 0 [2024-11-27 20:16:08,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2024-11-27 20:16:08,616 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:08,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:08,616 INFO L85 PathProgramCache]: Analyzing trace with hash -776491610, now seen corresponding path program 13 times [2024-11-27 20:16:08,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:08,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847626018] [2024-11-27 20:16:08,616 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:16:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:16:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212616998] [2024-11-27 20:16:08,635 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:16:08,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:08,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:08,636 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:08,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2024-11-27 20:16:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:08,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:16:08,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:16:09,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:09,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:09,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847626018] [2024-11-27 20:16:09,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:09,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212616998] [2024-11-27 20:16:09,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212616998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:09,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:09,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 20:16:09,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758727806] [2024-11-27 20:16:09,994 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:09,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:16:09,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:09,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:16:09,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:16:09,995 INFO L87 Difference]: Start difference. First operand 5015 states and 6544 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:11,492 INFO L93 Difference]: Finished difference Result 5073 states and 6611 transitions. [2024-11-27 20:16:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:16:11,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:16:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:11,498 INFO L225 Difference]: With dead ends: 5073 [2024-11-27 20:16:11,499 INFO L226 Difference]: Without dead ends: 5071 [2024-11-27 20:16:11,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:16:11,500 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 96 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:11,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 500 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:16:11,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2024-11-27 20:16:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 5028. [2024-11-27 20:16:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5028 states, 4545 states have (on average 1.2464246424642464) internal successors, (5665), 4576 states have internal predecessors, (5665), 447 states have call successors, (447), 6 states have call predecessors, (447), 6 states have return successors, (447), 445 states have call predecessors, (447), 447 states have call successors, (447) [2024-11-27 20:16:12,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 6559 transitions. [2024-11-27 20:16:12,237 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 6559 transitions. Word has length 201 [2024-11-27 20:16:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:12,237 INFO L471 AbstractCegarLoop]: Abstraction has 5028 states and 6559 transitions. [2024-11-27 20:16:12,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 6559 transitions. [2024-11-27 20:16:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 20:16:12,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:12,238 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:12,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:12,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2024-11-27 20:16:12,439 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:12,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash 258702260, now seen corresponding path program 14 times [2024-11-27 20:16:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:12,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446043396] [2024-11-27 20:16:12,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:12,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:12,453 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:12,453 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:12,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553705309] [2024-11-27 20:16:12,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:12,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:12,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:12,455 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:12,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2024-11-27 20:16:12,535 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:12,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:12,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 20:16:12,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-27 20:16:13,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:14,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:14,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446043396] [2024-11-27 20:16:14,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:14,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553705309] [2024-11-27 20:16:14,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553705309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:14,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:14,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-27 20:16:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700176091] [2024-11-27 20:16:14,168 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:14,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:16:14,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:14,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:16:14,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:16:14,169 INFO L87 Difference]: Start difference. First operand 5028 states and 6559 transitions. Second operand has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:15,674 INFO L93 Difference]: Finished difference Result 5081 states and 6619 transitions. [2024-11-27 20:16:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:16:15,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 201 [2024-11-27 20:16:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:15,680 INFO L225 Difference]: With dead ends: 5081 [2024-11-27 20:16:15,680 INFO L226 Difference]: Without dead ends: 5079 [2024-11-27 20:16:15,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:16:15,682 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 84 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:15,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 425 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:16:15,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2024-11-27 20:16:16,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5042. [2024-11-27 20:16:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5042 states, 4557 states have (on average 1.2457757296466974) internal successors, (5677), 4588 states have internal predecessors, (5677), 449 states have call successors, (449), 6 states have call predecessors, (449), 6 states have return successors, (449), 447 states have call predecessors, (449), 449 states have call successors, (449) [2024-11-27 20:16:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5042 states to 5042 states and 6575 transitions. [2024-11-27 20:16:16,419 INFO L78 Accepts]: Start accepts. Automaton has 5042 states and 6575 transitions. Word has length 201 [2024-11-27 20:16:16,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:16,419 INFO L471 AbstractCegarLoop]: Abstraction has 5042 states and 6575 transitions. [2024-11-27 20:16:16,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.833333333333332) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-27 20:16:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 5042 states and 6575 transitions. [2024-11-27 20:16:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-27 20:16:16,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:16,421 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:16,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:16,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-11-27 20:16:16,621 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:16,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:16,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1964489496, now seen corresponding path program 1 times [2024-11-27 20:16:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363788936] [2024-11-27 20:16:16,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:16,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-27 20:16:16,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:16,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363788936] [2024-11-27 20:16:16,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363788936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:16,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681506652] [2024-11-27 20:16:16,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:16,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:16,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:16,853 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:16,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2024-11-27 20:16:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:16,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:16:16,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 48 proven. 412 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 20:16:17,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-27 20:16:17,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681506652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:16:17,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:16:17,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-27 20:16:17,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593091222] [2024-11-27 20:16:17,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:17,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:16:17,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:17,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:16:17,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:16:17,565 INFO L87 Difference]: Start difference. First operand 5042 states and 6575 transitions. Second operand has 12 states, 12 states have (on average 12.916666666666666) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-27 20:16:18,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:18,481 INFO L93 Difference]: Finished difference Result 5202 states and 6758 transitions. [2024-11-27 20:16:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:16:18,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.916666666666666) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 206 [2024-11-27 20:16:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:18,488 INFO L225 Difference]: With dead ends: 5202 [2024-11-27 20:16:18,488 INFO L226 Difference]: Without dead ends: 5004 [2024-11-27 20:16:18,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 402 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:16:18,489 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 86 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:18,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 651 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:16:18,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5004 states. [2024-11-27 20:16:19,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5004 to 4994. [2024-11-27 20:16:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4515 states have (on average 1.243189368770764) internal successors, (5613), 4547 states have internal predecessors, (5613), 442 states have call successors, (442), 7 states have call predecessors, (442), 7 states have return successors, (442), 439 states have call predecessors, (442), 442 states have call successors, (442) [2024-11-27 20:16:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 6497 transitions. [2024-11-27 20:16:19,244 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 6497 transitions. Word has length 206 [2024-11-27 20:16:19,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:19,245 INFO L471 AbstractCegarLoop]: Abstraction has 4994 states and 6497 transitions. [2024-11-27 20:16:19,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.916666666666666) internal successors, (155), 12 states have internal predecessors, (155), 6 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-27 20:16:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 6497 transitions. [2024-11-27 20:16:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 20:16:19,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:19,246 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:19,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:19,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:19,447 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:19,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:19,447 INFO L85 PathProgramCache]: Analyzing trace with hash -550274710, now seen corresponding path program 2 times [2024-11-27 20:16:19,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:19,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542006452] [2024-11-27 20:16:19,447 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:19,461 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:19,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:19,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232794336] [2024-11-27 20:16:19,462 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:19,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:19,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:19,464 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:19,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2024-11-27 20:16:19,542 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:19,543 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:19,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:16:19,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-27 20:16:20,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:16:21,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:21,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542006452] [2024-11-27 20:16:21,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:16:21,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232794336] [2024-11-27 20:16:21,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232794336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:21,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:21,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-27 20:16:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029458520] [2024-11-27 20:16:21,021 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:16:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:16:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:21,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:16:21,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:16:21,021 INFO L87 Difference]: Start difference. First operand 4994 states and 6497 transitions. Second operand has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:16:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:22,936 INFO L93 Difference]: Finished difference Result 5335 states and 6942 transitions. [2024-11-27 20:16:22,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:16:22,936 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 209 [2024-11-27 20:16:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:22,941 INFO L225 Difference]: With dead ends: 5335 [2024-11-27 20:16:22,941 INFO L226 Difference]: Without dead ends: 5333 [2024-11-27 20:16:22,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:16:22,942 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 227 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:22,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 663 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:16:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2024-11-27 20:16:23,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 4994. [2024-11-27 20:16:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4515 states have (on average 1.2425249169435215) internal successors, (5610), 4547 states have internal predecessors, (5610), 442 states have call successors, (442), 7 states have call predecessors, (442), 7 states have return successors, (442), 439 states have call predecessors, (442), 442 states have call successors, (442) [2024-11-27 20:16:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 6494 transitions. [2024-11-27 20:16:23,643 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 6494 transitions. Word has length 209 [2024-11-27 20:16:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:23,643 INFO L471 AbstractCegarLoop]: Abstraction has 4994 states and 6494 transitions. [2024-11-27 20:16:23,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 12 states have internal predecessors, (140), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-27 20:16:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 6494 transitions. [2024-11-27 20:16:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 20:16:23,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:23,645 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:23,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Forceful destruction successful, exit code 0 [2024-11-27 20:16:23,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:23,845 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-27 20:16:23,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1705047366, now seen corresponding path program 3 times [2024-11-27 20:16:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805988511] [2024-11-27 20:16:23,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:16:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:23,865 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-27 20:16:23,865 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:16:23,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798601672] [2024-11-27 20:16:23,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:16:23,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:23,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:23,868 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:23,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf307b0-7c99-420a-b9bc-e8070b3bb00c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2024-11-27 20:16:24,061 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-27 20:16:24,061 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:24,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 20:16:24,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 81 proven. 207 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-27 20:16:33,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:17:11,094 WARN L286 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:48,672 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:02,929 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:19:09,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805988511] [2024-11-27 20:19:09,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:19:09,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798601672] [2024-11-27 20:19:09,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798601672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:19:09,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:19:09,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-27 20:19:09,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745942704] [2024-11-27 20:19:09,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:19:09,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-27 20:19:09,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:09,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-27 20:19:09,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1203, Unknown=11, NotChecked=0, Total=1482 [2024-11-27 20:19:09,300 INFO L87 Difference]: Start difference. First operand 4994 states and 6494 transitions. Second operand has 23 states, 21 states have (on average 5.857142857142857) internal successors, (123), 20 states have internal predecessors, (123), 7 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12)