./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.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_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/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_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/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_a9690472-f67a-4e04-a59e-27dea7bd2989/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 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:14:53,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:14:53,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:14:53,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:14:53,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:14:53,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:14:53,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:14:53,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:14:53,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:14:53,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:14:53,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:14:53,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:14:53,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:14:53,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:14:53,254 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:14:53,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:14:53,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:14:53,254 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:14:53,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:14:53,256 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:14:53,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:14:53,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:14:53,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:14:53,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:14:53,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:14:53,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:14:53,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:14:53,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:14:53,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:14:53,258 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_a9690472-f67a-4e04-a59e-27dea7bd2989/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 -> 34fd2c5bce28a2f0a39de6b9c2d306403d911c32b4998862fc7a657ddcb319f4 [2024-11-27 20:14:53,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:14:53,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:14:53,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:14:53,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:14:53,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:14:53,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2024-11-27 20:14:56,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/data/442838257/ebdcf6764b3e420da013cc21d4c17119/FLAG0992ddaa8 [2024-11-27 20:14:56,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:14:56,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound10.c [2024-11-27 20:14:56,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/data/442838257/ebdcf6764b3e420da013cc21d4c17119/FLAG0992ddaa8 [2024-11-27 20:14:57,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/data/442838257/ebdcf6764b3e420da013cc21d4c17119 [2024-11-27 20:14:57,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:14:57,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:14:57,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:14:57,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:14:57,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:14:57,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b120e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57, skipping insertion in model container [2024-11-27 20:14:57,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:14:57,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:14:57,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:14:57,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:14:57,537 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:14:57,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57 WrapperNode [2024-11-27 20:14:57,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:14:57,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:14:57,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:14:57,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:14:57,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,583 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-27 20:14:57,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:14:57,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:14:57,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:14:57,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:14:57,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,608 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 20:14:57,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:14:57,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:14:57,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:14:57,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:14:57,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (1/1) ... [2024-11-27 20:14:57,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:14:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:57,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:14:57,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:14:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:14:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:14:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:14:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:14:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:14:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:14:57,771 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:14:57,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:14:58,333 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-27 20:14:58,335 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:14:58,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:14:58,353 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:14:58,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:14:58 BoogieIcfgContainer [2024-11-27 20:14:58,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:14:58,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:14:58,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:14:58,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:14:58,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:14:57" (1/3) ... [2024-11-27 20:14:58,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6f1521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:14:58, skipping insertion in model container [2024-11-27 20:14:58,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:14:57" (2/3) ... [2024-11-27 20:14:58,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6f1521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:14:58, skipping insertion in model container [2024-11-27 20:14:58,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:14:58" (3/3) ... [2024-11-27 20:14:58,369 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound10.c [2024-11-27 20:14:58,388 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:14:58,390 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound10.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2024-11-27 20:14:58,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:14:58,487 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;@348fba86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:14:58,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-27 20:14:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:14:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-27 20:14:58,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:58,502 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-27 20:14:58,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:14:58,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-27 20:14:58,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:58,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005410285] [2024-11-27 20:14:58,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:14:58,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:58,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005410285] [2024-11-27 20:14:58,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005410285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:58,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:58,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:14:58,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446889599] [2024-11-27 20:14:58,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:58,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:14:58,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:58,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:14:58,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:14:58,794 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:58,898 INFO L93 Difference]: Finished difference Result 270 states and 294 transitions. [2024-11-27 20:14:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:14:58,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-27 20:14:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:58,908 INFO L225 Difference]: With dead ends: 270 [2024-11-27 20:14:58,908 INFO L226 Difference]: Without dead ends: 124 [2024-11-27 20:14:58,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:14:58,915 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:58,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 252 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:14:58,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-27 20:14:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-27 20:14:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 120 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:14:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-11-27 20:14:58,973 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-11-27 20:14:58,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:58,973 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-11-27 20:14:58,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-11-27 20:14:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 20:14:58,974 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:58,974 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 20:14:58,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:14:58,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:14:58,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-27 20:14:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:58,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578276486] [2024-11-27 20:14:58,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:58,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:14:59,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:59,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578276486] [2024-11-27 20:14:59,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578276486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:59,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:14:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124640367] [2024-11-27 20:14:59,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:59,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:14:59,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:59,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:14:59,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:14:59,038 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:59,091 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2024-11-27 20:14:59,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:14:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-27 20:14:59,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:59,093 INFO L225 Difference]: With dead ends: 185 [2024-11-27 20:14:59,093 INFO L226 Difference]: Without dead ends: 128 [2024-11-27 20:14:59,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:14:59,095 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 3 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 362 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 20:14:59,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 362 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:14:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-27 20:14:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-27 20:14:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.7027027027027026) internal successors, (126), 124 states have internal predecessors, (126), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:14:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-11-27 20:14:59,106 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 5 [2024-11-27 20:14:59,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:59,106 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-11-27 20:14:59,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,107 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-11-27 20:14:59,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:14:59,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:59,107 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:59,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:14:59,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:14:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2024-11-27 20:14:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:59,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754706891] [2024-11-27 20:14:59,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:14:59,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:59,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754706891] [2024-11-27 20:14:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754706891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:59,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:14:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674749823] [2024-11-27 20:14:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:59,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:14:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:59,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:14:59,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:14:59,194 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:59,388 INFO L93 Difference]: Finished difference Result 233 states and 245 transitions. [2024-11-27 20:14:59,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:14:59,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-27 20:14:59,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:59,390 INFO L225 Difference]: With dead ends: 233 [2024-11-27 20:14:59,391 INFO L226 Difference]: Without dead ends: 222 [2024-11-27 20:14:59,391 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 20:14:59,392 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 92 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:59,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:14:59,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-27 20:14:59,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-27 20:14:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 124 states have (on average 1.6693548387096775) internal successors, (207), 174 states have internal predecessors, (207), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:14:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2024-11-27 20:14:59,409 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2024-11-27 20:14:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:59,409 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2024-11-27 20:14:59,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2024-11-27 20:14:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 20:14:59,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:59,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:59,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:14:59,411 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:14:59,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash -441017269, now seen corresponding path program 1 times [2024-11-27 20:14:59,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:59,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288718538] [2024-11-27 20:14:59,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:14:59,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925602873] [2024-11-27 20:14:59,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:59,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:59,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:59,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:14:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:59,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:14:59,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:14:59,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:59,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:59,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288718538] [2024-11-27 20:14:59,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:14:59,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925602873] [2024-11-27 20:14:59,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925602873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:59,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:59,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:14:59,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853747320] [2024-11-27 20:14:59,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:59,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:14:59,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:59,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:14:59,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:14:59,516 INFO L87 Difference]: Start difference. First operand 180 states and 215 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:59,872 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2024-11-27 20:14:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:14:59,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-27 20:14:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:59,874 INFO L225 Difference]: With dead ends: 213 [2024-11-27 20:14:59,875 INFO L226 Difference]: Without dead ends: 186 [2024-11-27 20:14:59,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 20:14:59,876 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:59,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 102 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:14:59,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-27 20:14:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-27 20:14:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 128 states have (on average 1.46875) internal successors, (188), 178 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:14:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2024-11-27 20:14:59,890 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 10 [2024-11-27 20:14:59,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:59,890 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2024-11-27 20:14:59,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:14:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2024-11-27 20:14:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:14:59,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:59,891 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:59,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:15:00,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:00,095 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:00,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:00,096 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2024-11-27 20:15:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:00,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693382054] [2024-11-27 20:15:00,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:00,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:00,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:00,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693382054] [2024-11-27 20:15:00,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693382054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:00,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:00,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:15:00,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798324816] [2024-11-27 20:15:00,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:00,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:00,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:00,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:00,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:00,232 INFO L87 Difference]: Start difference. First operand 184 states and 196 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:15:00,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:00,638 INFO L93 Difference]: Finished difference Result 201 states and 207 transitions. [2024-11-27 20:15:00,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:15:00,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-27 20:15:00,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:00,640 INFO L225 Difference]: With dead ends: 201 [2024-11-27 20:15:00,640 INFO L226 Difference]: Without dead ends: 167 [2024-11-27 20:15:00,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:15:00,642 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:00,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 203 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:15:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-27 20:15:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2024-11-27 20:15:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 151 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:15:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2024-11-27 20:15:00,664 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 15 [2024-11-27 20:15:00,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:00,664 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2024-11-27 20:15:00,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:15:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2024-11-27 20:15:00,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-27 20:15:00,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:00,665 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:00,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:15:00,666 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:00,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash 691485682, now seen corresponding path program 1 times [2024-11-27 20:15:00,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:00,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282036514] [2024-11-27 20:15:00,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:00,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:00,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:00,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282036514] [2024-11-27 20:15:00,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282036514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:00,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:00,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:15:00,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438012973] [2024-11-27 20:15:00,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:00,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:15:00,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:00,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:15:00,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:15:00,850 INFO L87 Difference]: Start difference. First operand 156 states and 161 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:00,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:00,871 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2024-11-27 20:15:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:15:00,872 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-27 20:15:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:00,873 INFO L225 Difference]: With dead ends: 158 [2024-11-27 20:15:00,873 INFO L226 Difference]: Without dead ends: 156 [2024-11-27 20:15:00,873 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 20:15:00,874 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:00,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 242 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:00,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-27 20:15:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-27 20:15:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:15:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2024-11-27 20:15:00,884 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 35 [2024-11-27 20:15:00,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:00,885 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2024-11-27 20:15:00,885 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2024-11-27 20:15:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 20:15:00,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:00,886 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:00,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:15:00,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:00,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1371245366, now seen corresponding path program 1 times [2024-11-27 20:15:00,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:00,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360706982] [2024-11-27 20:15:00,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:00,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:00,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278513722] [2024-11-27 20:15:00,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:00,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:00,917 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:00,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:15:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:00,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:15:00,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:01,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:01,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:01,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360706982] [2024-11-27 20:15:01,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:01,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278513722] [2024-11-27 20:15:01,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278513722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:01,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:01,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:15:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007309995] [2024-11-27 20:15:01,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:01,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:01,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:01,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:01,076 INFO L87 Difference]: Start difference. First operand 156 states and 159 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:01,443 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2024-11-27 20:15:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:15:01,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-27 20:15:01,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:01,445 INFO L225 Difference]: With dead ends: 256 [2024-11-27 20:15:01,446 INFO L226 Difference]: Without dead ends: 230 [2024-11-27 20:15:01,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:01,447 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 71 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:01,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:15:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-27 20:15:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2024-11-27 20:15:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 214 states have internal predecessors, (241), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2024-11-27 20:15:01,460 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2024-11-27 20:15:01,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:01,460 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2024-11-27 20:15:01,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:01,460 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2024-11-27 20:15:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-27 20:15:01,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:01,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:01,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:01,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 20:15:01,662 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:01,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:01,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1336855546, now seen corresponding path program 1 times [2024-11-27 20:15:01,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:01,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629356420] [2024-11-27 20:15:01,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:01,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:01,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:01,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629356420] [2024-11-27 20:15:01,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629356420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:01,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:01,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:15:01,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109047052] [2024-11-27 20:15:01,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:01,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:01,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:01,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:01,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:01,828 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:01,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:01,941 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2024-11-27 20:15:01,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:15:01,941 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-27 20:15:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:01,943 INFO L225 Difference]: With dead ends: 222 [2024-11-27 20:15:01,945 INFO L226 Difference]: Without dead ends: 221 [2024-11-27 20:15:01,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:15:01,946 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:01,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 185 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-27 20:15:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-27 20:15:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 214 states have internal predecessors, (240), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2024-11-27 20:15:01,973 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2024-11-27 20:15:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:01,973 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2024-11-27 20:15:01,973 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2024-11-27 20:15:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-27 20:15:01,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:01,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:15:01,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:15:01,979 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:01,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1507150918, now seen corresponding path program 1 times [2024-11-27 20:15:01,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:01,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534707948] [2024-11-27 20:15:01,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:01,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:02,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534707948] [2024-11-27 20:15:02,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534707948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:02,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:02,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:15:02,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988142311] [2024-11-27 20:15:02,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:02,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:02,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:02,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:02,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:02,144 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:02,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:02,391 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2024-11-27 20:15:02,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:15:02,391 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2024-11-27 20:15:02,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:02,393 INFO L225 Difference]: With dead ends: 222 [2024-11-27 20:15:02,393 INFO L226 Difference]: Without dead ends: 221 [2024-11-27 20:15:02,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:15:02,394 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:02,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:02,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-27 20:15:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-27 20:15:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2024-11-27 20:15:02,411 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2024-11-27 20:15:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:02,411 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2024-11-27 20:15:02,412 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2024-11-27 20:15:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-27 20:15:02,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:02,413 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:02,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:15:02,413 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:02,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 55150060, now seen corresponding path program 1 times [2024-11-27 20:15:02,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:02,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636875317] [2024-11-27 20:15:02,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:02,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:02,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636875317] [2024-11-27 20:15:02,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636875317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:02,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098908042] [2024-11-27 20:15:02,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:02,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:02,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:02,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:15:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:02,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:15:02,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:02,745 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098908042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:02,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:02,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-27 20:15:02,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779369663] [2024-11-27 20:15:02,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:02,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:02,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:02,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:02,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:15:02,747 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:02,809 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2024-11-27 20:15:02,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:15:02,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-11-27 20:15:02,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:02,814 INFO L225 Difference]: With dead ends: 304 [2024-11-27 20:15:02,814 INFO L226 Difference]: Without dead ends: 303 [2024-11-27 20:15:02,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:15:02,815 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 85 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:02,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 564 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-27 20:15:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2024-11-27 20:15:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 179 states have (on average 1.458100558659218) internal successors, (261), 230 states have internal predecessors, (261), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:15:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2024-11-27 20:15:02,827 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2024-11-27 20:15:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:02,827 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2024-11-27 20:15:02,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2024-11-27 20:15:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 20:15:02,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:02,828 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:02,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:15:03,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:03,029 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:03,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:03,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601489, now seen corresponding path program 1 times [2024-11-27 20:15:03,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:03,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955094511] [2024-11-27 20:15:03,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:03,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:03,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32126978] [2024-11-27 20:15:03,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:03,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:03,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:03,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:03,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:15:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:03,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:15:03,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:03,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:03,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955094511] [2024-11-27 20:15:03,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32126978] [2024-11-27 20:15:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32126978] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:03,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:03,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-27 20:15:03,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116861007] [2024-11-27 20:15:03,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:03,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:15:03,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:03,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:15:03,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:15:03,650 INFO L87 Difference]: Start difference. First operand 238 states and 275 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:04,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:04,721 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2024-11-27 20:15:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:15:04,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-27 20:15:04,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:04,725 INFO L225 Difference]: With dead ends: 280 [2024-11-27 20:15:04,725 INFO L226 Difference]: Without dead ends: 277 [2024-11-27 20:15:04,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:15:04,727 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:04,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 147 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:15:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-27 20:15:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2024-11-27 20:15:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 179 states have (on average 1.4301675977653632) internal successors, (256), 227 states have internal predecessors, (256), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:15:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2024-11-27 20:15:04,744 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2024-11-27 20:15:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:04,745 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2024-11-27 20:15:04,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2024-11-27 20:15:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 20:15:04,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:04,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:04,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:04,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:04,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:04,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:04,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601624, now seen corresponding path program 1 times [2024-11-27 20:15:04,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:04,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970686368] [2024-11-27 20:15:04,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:05,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:05,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970686368] [2024-11-27 20:15:05,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970686368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:05,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690540813] [2024-11-27 20:15:05,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:05,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:05,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:15:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:05,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:15:05,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:05,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690540813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:05,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:15:05,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-27 20:15:05,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528934329] [2024-11-27 20:15:05,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:15:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:05,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:15:05,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:05,402 INFO L87 Difference]: Start difference. First operand 235 states and 270 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:15:05,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:05,590 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2024-11-27 20:15:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 20:15:05,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-11-27 20:15:05,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:05,595 INFO L225 Difference]: With dead ends: 472 [2024-11-27 20:15:05,595 INFO L226 Difference]: Without dead ends: 390 [2024-11-27 20:15:05,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:15:05,596 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 188 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:05,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 911 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:05,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-27 20:15:05,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2024-11-27 20:15:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 235 states have (on average 1.4553191489361703) internal successors, (342), 283 states have internal predecessors, (342), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:15:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2024-11-27 20:15:05,626 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2024-11-27 20:15:05,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:05,627 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2024-11-27 20:15:05,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:15:05,627 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2024-11-27 20:15:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:15:05,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:05,630 INFO L218 NwaCegarLoop]: trace histogram [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 20:15:05,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:05,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:05,835 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1996994047, now seen corresponding path program 1 times [2024-11-27 20:15:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:05,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117067370] [2024-11-27 20:15:05,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2048006210] [2024-11-27 20:15:05,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:05,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:05,866 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:05,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:15:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:05,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:15:05,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:06,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:06,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:06,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117067370] [2024-11-27 20:15:06,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:06,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048006210] [2024-11-27 20:15:06,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048006210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:06,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:06,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:15:06,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806280160] [2024-11-27 20:15:06,271 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:06,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:15:06,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:06,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:15:06,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:06,275 INFO L87 Difference]: Start difference. First operand 295 states and 358 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:06,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:06,982 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2024-11-27 20:15:06,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:15:06,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-27 20:15:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:06,985 INFO L225 Difference]: With dead ends: 316 [2024-11-27 20:15:06,985 INFO L226 Difference]: Without dead ends: 304 [2024-11-27 20:15:06,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:06,986 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 187 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:06,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 230 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:15:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-27 20:15:07,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2024-11-27 20:15:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 236 states have (on average 1.3728813559322033) internal successors, (324), 277 states have internal predecessors, (324), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:15:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2024-11-27 20:15:07,004 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2024-11-27 20:15:07,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:07,004 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2024-11-27 20:15:07,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2024-11-27 20:15:07,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-27 20:15:07,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:07,005 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:07,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:15:07,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:15:07,206 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:07,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1929656231, now seen corresponding path program 1 times [2024-11-27 20:15:07,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:07,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349037094] [2024-11-27 20:15:07,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:07,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:07,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776915319] [2024-11-27 20:15:07,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:07,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:07,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:07,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:15:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:07,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:15:07,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:07,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:07,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:07,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349037094] [2024-11-27 20:15:07,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:07,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776915319] [2024-11-27 20:15:07,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776915319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:07,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:07,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:15:07,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220050392] [2024-11-27 20:15:07,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:07,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:15:07,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:07,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:15:07,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:07,531 INFO L87 Difference]: Start difference. First operand 290 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:07,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:07,844 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2024-11-27 20:15:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:07,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-27 20:15:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:07,846 INFO L225 Difference]: With dead ends: 300 [2024-11-27 20:15:07,846 INFO L226 Difference]: Without dead ends: 229 [2024-11-27 20:15:07,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:15:07,847 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 100 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:07,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 63 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:15:07,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-27 20:15:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2024-11-27 20:15:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 189 states have (on average 1.1851851851851851) internal successors, (224), 206 states have internal predecessors, (224), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2024-11-27 20:15:07,859 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2024-11-27 20:15:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:07,860 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2024-11-27 20:15:07,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-27 20:15:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2024-11-27 20:15:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-27 20:15:07,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:07,861 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:07,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:08,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 20:15:08,065 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:08,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1579444947, now seen corresponding path program 1 times [2024-11-27 20:15:08,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:08,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191557103] [2024-11-27 20:15:08,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:08,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:08,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108887315] [2024-11-27 20:15:08,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:08,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:08,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:08,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:08,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:15:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:08,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:15:08,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:15:08,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:08,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191557103] [2024-11-27 20:15:08,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108887315] [2024-11-27 20:15:08,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108887315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:08,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:08,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 20:15:08,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731708079] [2024-11-27 20:15:08,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:08,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:08,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:08,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:08,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:08,676 INFO L87 Difference]: Start difference. First operand 217 states and 234 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:08,878 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2024-11-27 20:15:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:08,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-11-27 20:15:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:08,880 INFO L225 Difference]: With dead ends: 217 [2024-11-27 20:15:08,880 INFO L226 Difference]: Without dead ends: 215 [2024-11-27 20:15:08,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:08,881 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 63 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:08,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 48 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-27 20:15:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-27 20:15:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1587301587301588) internal successors, (219), 204 states have internal predecessors, (219), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2024-11-27 20:15:08,893 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2024-11-27 20:15:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:08,893 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2024-11-27 20:15:08,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2024-11-27 20:15:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-27 20:15:08,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:08,894 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:08,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:09,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:15:09,095 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:09,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:09,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1718153224, now seen corresponding path program 1 times [2024-11-27 20:15:09,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:09,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378003558] [2024-11-27 20:15:09,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:09,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237366513] [2024-11-27 20:15:09,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:09,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:09,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:09,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:09,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:15:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:09,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:15:09,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:15:09,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:09,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:09,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378003558] [2024-11-27 20:15:09,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:09,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237366513] [2024-11-27 20:15:09,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237366513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:09,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:09,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 20:15:09,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810174246] [2024-11-27 20:15:09,569 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:09,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:15:09,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:09,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:15:09,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:09,571 INFO L87 Difference]: Start difference. First operand 215 states and 229 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:09,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:09,824 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2024-11-27 20:15:09,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:09,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-11-27 20:15:09,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:09,826 INFO L225 Difference]: With dead ends: 224 [2024-11-27 20:15:09,826 INFO L226 Difference]: Without dead ends: 220 [2024-11-27 20:15:09,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:09,827 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:09,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 111 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:09,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-27 20:15:09,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-27 20:15:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1494845360824741) internal successors, (223), 209 states have internal predecessors, (223), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2024-11-27 20:15:09,840 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2024-11-27 20:15:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:09,840 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2024-11-27 20:15:09,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2024-11-27 20:15:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-27 20:15:09,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:09,841 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:09,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:10,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:10,046 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:10,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1917413353, now seen corresponding path program 1 times [2024-11-27 20:15:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:10,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107054911] [2024-11-27 20:15:10,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:10,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441848779] [2024-11-27 20:15:10,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:10,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:10,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:10,069 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:10,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:15:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:10,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:15:10,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:10,397 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:15:10,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107054911] [2024-11-27 20:15:10,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441848779] [2024-11-27 20:15:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441848779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:10,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:10,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-27 20:15:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794042478] [2024-11-27 20:15:10,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:10,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:15:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:10,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:15:10,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:10,613 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:10,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:10,843 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2024-11-27 20:15:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:10,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 81 [2024-11-27 20:15:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:10,845 INFO L225 Difference]: With dead ends: 221 [2024-11-27 20:15:10,845 INFO L226 Difference]: Without dead ends: 215 [2024-11-27 20:15:10,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:15:10,846 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:10,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:10,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-27 20:15:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-27 20:15:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 189 states have (on average 1.1481481481481481) internal successors, (217), 204 states have internal predecessors, (217), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2024-11-27 20:15:10,857 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2024-11-27 20:15:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:10,857 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2024-11-27 20:15:10,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2024-11-27 20:15:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 20:15:10,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:10,858 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:15:10,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:15:11,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 20:15:11,059 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:11,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:11,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1784316206, now seen corresponding path program 1 times [2024-11-27 20:15:11,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:11,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594835682] [2024-11-27 20:15:11,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:11,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757442368] [2024-11-27 20:15:11,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:11,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:11,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:11,099 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:11,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:15:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:11,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:15:11,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:15:11,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:15:11,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:11,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594835682] [2024-11-27 20:15:11,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:11,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757442368] [2024-11-27 20:15:11,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757442368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:11,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:11,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-27 20:15:11,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816775921] [2024-11-27 20:15:11,486 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:11,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:15:11,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:11,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:15:11,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:11,488 INFO L87 Difference]: Start difference. First operand 215 states and 227 transitions. Second operand has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:15:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:11,809 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2024-11-27 20:15:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:15:11,809 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-27 20:15:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:11,810 INFO L225 Difference]: With dead ends: 224 [2024-11-27 20:15:11,811 INFO L226 Difference]: Without dead ends: 218 [2024-11-27 20:15:11,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:11,811 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 140 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:11,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 154 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:15:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-27 20:15:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2024-11-27 20:15:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.1005291005291005) internal successors, (208), 200 states have internal predecessors, (208), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2024-11-27 20:15:11,822 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2024-11-27 20:15:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:11,823 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2024-11-27 20:15:11,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.857142857142858) internal successors, (146), 8 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:15:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2024-11-27 20:15:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-27 20:15:11,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:11,824 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 20:15:11,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 20:15:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:15:12,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:12,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:12,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1105744896, now seen corresponding path program 2 times [2024-11-27 20:15:12,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:12,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861534938] [2024-11-27 20:15:12,029 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:15:12,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:12,062 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:15:12,062 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:15:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34545206] [2024-11-27 20:15:12,064 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:15:12,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:12,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:12,067 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:15:12,112 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:15:12,113 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:15:12,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:15:12,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-27 20:15:12,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:15:12,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861534938] [2024-11-27 20:15:12,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34545206] [2024-11-27 20:15:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34545206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:12,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:12,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:15:12,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280947782] [2024-11-27 20:15:12,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:12,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:12,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:12,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:12,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:12,582 INFO L87 Difference]: Start difference. First operand 211 states and 218 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:12,700 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2024-11-27 20:15:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:15:12,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 120 [2024-11-27 20:15:12,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:12,702 INFO L225 Difference]: With dead ends: 213 [2024-11-27 20:15:12,702 INFO L226 Difference]: Without dead ends: 204 [2024-11-27 20:15:12,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 117 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 20:15:12,703 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 47 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:12,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 57 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:12,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-27 20:15:12,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-27 20:15:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.0765027322404372) internal successors, (197), 193 states have internal predecessors, (197), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2024-11-27 20:15:12,716 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2024-11-27 20:15:12,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:12,717 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2024-11-27 20:15:12,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:15:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2024-11-27 20:15:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-27 20:15:12,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:12,718 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-27 20:15:12,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:15:12,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:12,919 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:12,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:12,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1105743710, now seen corresponding path program 1 times [2024-11-27 20:15:12,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:12,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620173685] [2024-11-27 20:15:12,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:12,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-27 20:15:13,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620173685] [2024-11-27 20:15:13,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620173685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239012857] [2024-11-27 20:15:13,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:13,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:13,084 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:15:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:13,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:15:13,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:13,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:13,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:13,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239012857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:13,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:15:13,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-27 20:15:13,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870038554] [2024-11-27 20:15:13,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:13,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:15:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:13,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:15:13,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:13,509 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:15:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:13,610 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2024-11-27 20:15:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:15:13,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2024-11-27 20:15:13,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:13,612 INFO L225 Difference]: With dead ends: 233 [2024-11-27 20:15:13,612 INFO L226 Difference]: Without dead ends: 232 [2024-11-27 20:15:13,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:15:13,613 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 127 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:13,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 269 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-27 20:15:13,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2024-11-27 20:15:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 183 states have (on average 1.0655737704918034) internal successors, (195), 192 states have internal predecessors, (195), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2024-11-27 20:15:13,624 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2024-11-27 20:15:13,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:13,625 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2024-11-27 20:15:13,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.11111111111111) internal successors, (253), 10 states have internal predecessors, (253), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:15:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2024-11-27 20:15:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-27 20:15:13,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:13,626 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-27 20:15:13,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:15:13,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:13,827 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:13,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash 121560424, now seen corresponding path program 1 times [2024-11-27 20:15:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:13,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070286937] [2024-11-27 20:15:13,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:13,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176998386] [2024-11-27 20:15:13,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:13,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:13,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:13,873 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:13,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:15:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:13,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:15:13,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:14,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:14,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070286937] [2024-11-27 20:15:14,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:14,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176998386] [2024-11-27 20:15:14,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176998386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:14,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:15:14,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-27 20:15:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081364856] [2024-11-27 20:15:14,280 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:14,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:15:14,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:14,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:15:14,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:14,282 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:15:14,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:14,518 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2024-11-27 20:15:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:15:14,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 126 [2024-11-27 20:15:14,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:14,520 INFO L225 Difference]: With dead ends: 234 [2024-11-27 20:15:14,520 INFO L226 Difference]: Without dead ends: 232 [2024-11-27 20:15:14,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:15:14,521 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 34 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:14,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 91 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:15:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-27 20:15:14,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2024-11-27 20:15:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 189 states have (on average 1.0634920634920635) internal successors, (201), 198 states have internal predecessors, (201), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2024-11-27 20:15:14,534 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2024-11-27 20:15:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:14,535 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2024-11-27 20:15:14,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:15:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2024-11-27 20:15:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-27 20:15:14,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:14,536 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-27 20:15:14,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:14,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 20:15:14,737 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:14,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:14,738 INFO L85 PathProgramCache]: Analyzing trace with hash 855454122, now seen corresponding path program 1 times [2024-11-27 20:15:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802255064] [2024-11-27 20:15:14,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:14,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689722603] [2024-11-27 20:15:14,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:14,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:14,765 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:14,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:15:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:14,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:15:14,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:15:15,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:15:16,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802255064] [2024-11-27 20:15:16,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689722603] [2024-11-27 20:15:16,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689722603] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:16,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:16,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2024-11-27 20:15:16,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426013616] [2024-11-27 20:15:16,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:16,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:15:16,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:16,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:15:16,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:15:16,992 INFO L87 Difference]: Start difference. First operand 209 states and 211 transitions. Second operand has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:19,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:23,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:24,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:27,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:15:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:28,582 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2024-11-27 20:15:28,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:15:28,583 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 128 [2024-11-27 20:15:28,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:28,585 INFO L225 Difference]: With dead ends: 226 [2024-11-27 20:15:28,585 INFO L226 Difference]: Without dead ends: 225 [2024-11-27 20:15:28,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:15:28,587 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:28,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 216 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 900 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2024-11-27 20:15:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-27 20:15:28,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2024-11-27 20:15:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.052910052910053) internal successors, (199), 197 states have internal predecessors, (199), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:15:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2024-11-27 20:15:28,602 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2024-11-27 20:15:28,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:28,602 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2024-11-27 20:15:28,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.944444444444445) internal successors, (233), 19 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2024-11-27 20:15:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 20:15:28,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:28,604 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-27 20:15:28,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-27 20:15:28,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 20:15:28,808 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:28,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1290759183, now seen corresponding path program 2 times [2024-11-27 20:15:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:28,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742686272] [2024-11-27 20:15:28,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:15:28,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:28,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:15:28,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:15:28,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657718858] [2024-11-27 20:15:28,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:15:28,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:28,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:28,850 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:28,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:15:28,923 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:15:28,924 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:15:28,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:15:28,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:29,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:29,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:29,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742686272] [2024-11-27 20:15:29,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:29,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657718858] [2024-11-27 20:15:29,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657718858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:29,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:29,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-27 20:15:29,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732193426] [2024-11-27 20:15:29,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:29,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 20:15:29,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:29,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 20:15:29,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:15:29,832 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:31,077 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2024-11-27 20:15:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:15:31,077 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2024-11-27 20:15:31,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:31,079 INFO L225 Difference]: With dead ends: 363 [2024-11-27 20:15:31,079 INFO L226 Difference]: Without dead ends: 360 [2024-11-27 20:15:31,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:15:31,080 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 273 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:31,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 352 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:15:31,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-27 20:15:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2024-11-27 20:15:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 304 states have (on average 1.069078947368421) internal successors, (325), 312 states have internal predecessors, (325), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:15:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2024-11-27 20:15:31,110 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2024-11-27 20:15:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:31,110 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2024-11-27 20:15:31,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2024-11-27 20:15:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-27 20:15:31,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:31,112 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-27 20:15:31,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 20:15:31,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 20:15:31,314 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:31,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:31,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2086443337, now seen corresponding path program 1 times [2024-11-27 20:15:31,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:31,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843571920] [2024-11-27 20:15:31,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:31,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:15:31,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [814605351] [2024-11-27 20:15:31,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:31,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:31,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:31,349 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:31,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:15:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:31,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:15:31,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:31,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:15:32,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:32,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843571920] [2024-11-27 20:15:32,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:15:32,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814605351] [2024-11-27 20:15:32,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814605351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:32,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:15:32,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-27 20:15:32,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028819155] [2024-11-27 20:15:32,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:32,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:15:32,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:32,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:15:32,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:15:32,070 INFO L87 Difference]: Start difference. First operand 327 states and 343 transitions. Second operand has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:33,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:33,015 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2024-11-27 20:15:33,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:15:33,016 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2024-11-27 20:15:33,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:33,017 INFO L225 Difference]: With dead ends: 429 [2024-11-27 20:15:33,018 INFO L226 Difference]: Without dead ends: 388 [2024-11-27 20:15:33,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:15:33,018 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 262 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:33,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 282 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 20:15:33,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-27 20:15:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2024-11-27 20:15:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 352 states have (on average 1.0482954545454546) internal successors, (369), 360 states have internal predecessors, (369), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:15:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2024-11-27 20:15:33,048 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2024-11-27 20:15:33,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:33,049 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2024-11-27 20:15:33,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 28.0) internal successors, (252), 10 states have internal predecessors, (252), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-27 20:15:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2024-11-27 20:15:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-27 20:15:33,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:33,059 INFO L218 NwaCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-27 20:15:33,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 20:15:33,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:33,264 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:33,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:33,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1296361333, now seen corresponding path program 1 times [2024-11-27 20:15:33,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:33,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123332149] [2024-11-27 20:15:33,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:33,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:15:33,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:33,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123332149] [2024-11-27 20:15:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123332149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:33,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904359522] [2024-11-27 20:15:33,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:33,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:33,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:33,681 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:33,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:15:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:33,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:15:33,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:15:33,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:15:34,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904359522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:34,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:15:34,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-27 20:15:34,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31690947] [2024-11-27 20:15:34,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:34,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 20:15:34,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:34,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 20:15:34,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:15:34,327 INFO L87 Difference]: Start difference. First operand 376 states and 389 transitions. Second operand has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-27 20:15:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:34,756 INFO L93 Difference]: Finished difference Result 498 states and 507 transitions. [2024-11-27 20:15:34,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 20:15:34,757 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 176 [2024-11-27 20:15:34,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:34,759 INFO L225 Difference]: With dead ends: 498 [2024-11-27 20:15:34,759 INFO L226 Difference]: Without dead ends: 460 [2024-11-27 20:15:34,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 20:15:34,760 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 136 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:34,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 738 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:15:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-27 20:15:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2024-11-27 20:15:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 423 states have (on average 1.0354609929078014) internal successors, (438), 431 states have internal predecessors, (438), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:15:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 460 transitions. [2024-11-27 20:15:34,818 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 460 transitions. Word has length 176 [2024-11-27 20:15:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:34,818 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 460 transitions. [2024-11-27 20:15:34,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.772727272727273) internal successors, (325), 22 states have internal predecessors, (325), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-27 20:15:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 460 transitions. [2024-11-27 20:15:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-27 20:15:34,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:34,822 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-27 20:15:34,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 20:15:35,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:35,022 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-27 20:15:35,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:35,023 INFO L85 PathProgramCache]: Analyzing trace with hash 519938001, now seen corresponding path program 3 times [2024-11-27 20:15:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887475007] [2024-11-27 20:15:35,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:15:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:35,085 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 20:15:35,085 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:15:35,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952019191] [2024-11-27 20:15:35,087 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:15:35,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:35,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:35,089 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:35,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9690472-f67a-4e04-a59e-27dea7bd2989/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:15:38,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 20:15:38,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:15:38,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 20:15:38,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 36 proven. 840 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 20:15:39,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:18:42,983 WARN L286 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:24:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 840 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 20:24:48,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887475007] [2024-11-27 20:24:48,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:24:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952019191] [2024-11-27 20:24:48,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952019191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:24:48,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:24:48,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 32 [2024-11-27 20:24:48,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029874885] [2024-11-27 20:24:48,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:24:48,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-27 20:24:48,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:48,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-27 20:24:48,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=798, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 20:24:48,149 INFO L87 Difference]: Start difference. First operand 454 states and 460 transitions. Second operand has 33 states, 32 states have (on average 16.90625) internal successors, (541), 33 states have internal predecessors, (541), 14 states have call successors, (14), 1 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 20:26:18,376 WARN L286 SmtUtils]: Spent 19.74s on a formula simplification. DAG size of input: 102 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:26:59,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 41.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:27:57,164 WARN L286 SmtUtils]: Spent 18.44s on a formula simplification. DAG size of input: 80 DAG size of output: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:28:01,167 WARN L539 Checker$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 20:28:05,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:07,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:11,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:12,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:13,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:17,456 WARN L539 Checker$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 20:28:21,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:28:25,532 WARN L539 Checker$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 20:28:29,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:29:38,377 WARN L286 SmtUtils]: Spent 31.58s on a formula simplification. DAG size of input: 129 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:29:42,381 WARN L539 Checker$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 20:29:46,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:29:50,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:29:54,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:29:58,287 WARN L539 Checker$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 20:30:02,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:30:06,296 WARN L539 Checker$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 20:30:10,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-27 20:30:14,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []