./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.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_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/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_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/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_edf42da6-1fb4-4ab4-837b-1d6fd5663951/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 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:02:46,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:02:46,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 05:02:46,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:02:46,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:02:46,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:02:46,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:02:46,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:02:46,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:02:46,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:02:46,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:02:46,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:02:46,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:02:46,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:02:46,318 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:02:46,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:02:46,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:02:46,318 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:02:46,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:02:46,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:02:46,320 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:02:46,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:02:46,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:02:46,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:02:46,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:02:46,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:02:46,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:02:46,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:02:46,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:02:46,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:02:46,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:02:46,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:02:46,323 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_edf42da6-1fb4-4ab4-837b-1d6fd5663951/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 -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2024-11-28 05:02:46,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:02:46,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:02:46,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:02:46,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:02:46,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:02:46,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2024-11-28 05:02:49,666 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/data/c64c79047/6103912c40594a84907ac1060b779dc2/FLAG1656d27ef [2024-11-28 05:02:49,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:02:49,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2024-11-28 05:02:49,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/data/c64c79047/6103912c40594a84907ac1060b779dc2/FLAG1656d27ef [2024-11-28 05:02:49,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/data/c64c79047/6103912c40594a84907ac1060b779dc2 [2024-11-28 05:02:49,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:02:49,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:02:49,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:02:49,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:02:49,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:02:49,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:02:49" (1/1) ... [2024-11-28 05:02:49,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f13e79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:49, skipping insertion in model container [2024-11-28 05:02:49,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:02:49" (1/1) ... [2024-11-28 05:02:49,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:02:50,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:02:50,207 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:02:50,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:02:50,247 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:02:50,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50 WrapperNode [2024-11-28 05:02:50,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:02:50,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:02:50,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:02:50,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:02:50,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,304 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-28 05:02:50,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:02:50,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:02:50,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:02:50,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:02:50,315 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,337 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]. [2024-11-28 05:02:50,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,344 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:02:50,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:02:50,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:02:50,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:02:50,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (1/1) ... [2024-11-28 05:02:50,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:02:50,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:50,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:02:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:02:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:02:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:02:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:02:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:02:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 05:02:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 05:02:50,500 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:02:50,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:02:50,994 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-28 05:02:50,994 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:02:51,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:02:51,008 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:02:51,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:02:51 BoogieIcfgContainer [2024-11-28 05:02:51,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:02:51,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:02:51,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:02:51,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:02:51,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:02:49" (1/3) ... [2024-11-28 05:02:51,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ae395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:02:51, skipping insertion in model container [2024-11-28 05:02:51,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:02:50" (2/3) ... [2024-11-28 05:02:51,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ae395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:02:51, skipping insertion in model container [2024-11-28 05:02:51,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:02:51" (3/3) ... [2024-11-28 05:02:51,026 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound100.c [2024-11-28 05:02:51,042 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:02:51,044 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_unwindbound100.c that has 2 procedures, 142 locations, 1 initial locations, 1 loop locations, and 62 error locations. [2024-11-28 05:02:51,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:02:51,134 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;@77db6af9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:02:51,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-28 05:02:51,139 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) [2024-11-28 05:02:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 05:02:51,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:51,145 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 05:02:51,146 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)] === [2024-11-28 05:02:51,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:51,153 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-28 05:02:51,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:51,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722266219] [2024-11-28 05:02:51,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:51,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:51,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:51,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722266219] [2024-11-28 05:02:51,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722266219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:51,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:51,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:02:51,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581943333] [2024-11-28 05:02:51,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:51,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:51,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:51,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:51,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:51,382 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) [2024-11-28 05:02:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:51,477 INFO L93 Difference]: Finished difference Result 270 states and 294 transitions. [2024-11-28 05:02:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:02:51,480 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 [2024-11-28 05:02:51,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:51,487 INFO L225 Difference]: With dead ends: 270 [2024-11-28 05:02:51,487 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 05:02:51,490 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 [2024-11-28 05:02:51,493 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 [2024-11-28 05:02:51,494 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] [2024-11-28 05:02:51,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 05:02:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-28 05:02:51,531 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) [2024-11-28 05:02:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-11-28 05:02:51,537 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-11-28 05:02:51,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:51,538 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-11-28 05:02:51,538 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) [2024-11-28 05:02:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-11-28 05:02:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 05:02:51,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:51,539 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:02:51,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:02:51,539 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)] === [2024-11-28 05:02:51,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:51,540 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-28 05:02:51,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:51,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214622809] [2024-11-28 05:02:51,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:51,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:51,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214622809] [2024-11-28 05:02:51,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214622809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:51,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:51,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:02:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355053153] [2024-11-28 05:02:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:51,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:51,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:51,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:51,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:51,606 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) [2024-11-28 05:02:51,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:51,670 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2024-11-28 05:02:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:02:51,671 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 [2024-11-28 05:02:51,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:51,672 INFO L225 Difference]: With dead ends: 185 [2024-11-28 05:02:51,672 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 05:02:51,673 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 [2024-11-28 05:02:51,674 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 [2024-11-28 05:02:51,674 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] [2024-11-28 05:02:51,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 05:02:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-28 05:02:51,684 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) [2024-11-28 05:02:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-11-28 05:02:51,685 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 5 [2024-11-28 05:02:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:51,686 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-11-28 05:02:51,686 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) [2024-11-28 05:02:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-11-28 05:02:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 05:02:51,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:51,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:02:51,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:02:51,687 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)] === [2024-11-28 05:02:51,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:51,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1805858121, now seen corresponding path program 1 times [2024-11-28 05:02:51,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:51,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145809248] [2024-11-28 05:02:51,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:51,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:51,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:51,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145809248] [2024-11-28 05:02:51,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145809248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:51,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:51,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:02:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42772966] [2024-11-28 05:02:51,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:51,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:02:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:51,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:02:51,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:02:51,736 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) [2024-11-28 05:02:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:51,909 INFO L93 Difference]: Finished difference Result 233 states and 245 transitions. [2024-11-28 05:02:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:02:51,910 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 [2024-11-28 05:02:51,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:51,912 INFO L225 Difference]: With dead ends: 233 [2024-11-28 05:02:51,912 INFO L226 Difference]: Without dead ends: 222 [2024-11-28 05:02:51,912 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 [2024-11-28 05:02:51,913 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:02:51,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:02:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-28 05:02:51,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-28 05:02:51,941 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) [2024-11-28 05:02:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 215 transitions. [2024-11-28 05:02:51,943 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 215 transitions. Word has length 7 [2024-11-28 05:02:51,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:51,943 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 215 transitions. [2024-11-28 05:02:51,945 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) [2024-11-28 05:02:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 215 transitions. [2024-11-28 05:02:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 05:02:51,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:51,945 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:02:51,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:02:51,946 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)] === [2024-11-28 05:02:51,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:51,947 INFO L85 PathProgramCache]: Analyzing trace with hash -441017269, now seen corresponding path program 1 times [2024-11-28 05:02:51,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:51,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345011969] [2024-11-28 05:02:51,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:51,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:02:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533126827] [2024-11-28 05:02:51,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:51,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:51,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:51,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:51,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:02:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:52,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:02:52,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:52,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:02:52,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:52,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345011969] [2024-11-28 05:02:52,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:02:52,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533126827] [2024-11-28 05:02:52,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533126827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:52,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:52,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:02:52,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840198966] [2024-11-28 05:02:52,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:52,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:02:52,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:52,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:02:52,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:02:52,055 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) [2024-11-28 05:02:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:52,374 INFO L93 Difference]: Finished difference Result 213 states and 223 transitions. [2024-11-28 05:02:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:02:52,374 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 [2024-11-28 05:02:52,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:52,376 INFO L225 Difference]: With dead ends: 213 [2024-11-28 05:02:52,379 INFO L226 Difference]: Without dead ends: 186 [2024-11-28 05:02:52,380 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 [2024-11-28 05:02:52,381 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-28 05:02:52,381 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] [2024-11-28 05:02:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-28 05:02:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-28 05:02:52,407 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) [2024-11-28 05:02:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 196 transitions. [2024-11-28 05:02:52,409 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 196 transitions. Word has length 10 [2024-11-28 05:02:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:52,409 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 196 transitions. [2024-11-28 05:02:52,409 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) [2024-11-28 05:02:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 196 transitions. [2024-11-28 05:02:52,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 05:02:52,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:52,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:02:52,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:02:52,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:52,614 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)] === [2024-11-28 05:02:52,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:52,615 INFO L85 PathProgramCache]: Analyzing trace with hash -214514351, now seen corresponding path program 1 times [2024-11-28 05:02:52,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:52,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013506239] [2024-11-28 05:02:52,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:52,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:52,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:52,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013506239] [2024-11-28 05:02:52,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013506239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:52,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:52,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:02:52,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257667770] [2024-11-28 05:02:52,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:52,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:52,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:52,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:52,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:52,701 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) [2024-11-28 05:02:53,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:53,051 INFO L93 Difference]: Finished difference Result 201 states and 207 transitions. [2024-11-28 05:02:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:02:53,053 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 [2024-11-28 05:02:53,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:53,054 INFO L225 Difference]: With dead ends: 201 [2024-11-28 05:02:53,054 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 05:02:53,055 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 [2024-11-28 05:02:53,055 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:02:53,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 203 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:02:53,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 05:02:53,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 156. [2024-11-28 05:02:53,075 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) [2024-11-28 05:02:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 161 transitions. [2024-11-28 05:02:53,076 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 161 transitions. Word has length 15 [2024-11-28 05:02:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:53,077 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 161 transitions. [2024-11-28 05:02:53,077 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) [2024-11-28 05:02:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2024-11-28 05:02:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 05:02:53,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:53,082 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] [2024-11-28 05:02:53,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:02:53,082 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)] === [2024-11-28 05:02:53,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:53,083 INFO L85 PathProgramCache]: Analyzing trace with hash 691485682, now seen corresponding path program 1 times [2024-11-28 05:02:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:53,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225628658] [2024-11-28 05:02:53,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:53,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:53,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225628658] [2024-11-28 05:02:53,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225628658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:53,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:53,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:02:53,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876417958] [2024-11-28 05:02:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:53,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:02:53,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:53,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:02:53,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:02:53,215 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) [2024-11-28 05:02:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:53,233 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2024-11-28 05:02:53,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:02:53,234 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 [2024-11-28 05:02:53,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:53,235 INFO L225 Difference]: With dead ends: 158 [2024-11-28 05:02:53,235 INFO L226 Difference]: Without dead ends: 156 [2024-11-28 05:02:53,236 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 [2024-11-28 05:02:53,236 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 [2024-11-28 05:02:53,237 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] [2024-11-28 05:02:53,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-28 05:02:53,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-28 05:02:53,244 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) [2024-11-28 05:02:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2024-11-28 05:02:53,245 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 35 [2024-11-28 05:02:53,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:53,249 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2024-11-28 05:02:53,250 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) [2024-11-28 05:02:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2024-11-28 05:02:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:02:53,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:53,251 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] [2024-11-28 05:02:53,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:02:53,251 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)] === [2024-11-28 05:02:53,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:53,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1371245366, now seen corresponding path program 1 times [2024-11-28 05:02:53,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:53,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389735651] [2024-11-28 05:02:53,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:53,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:02:53,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866204942] [2024-11-28 05:02:53,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:53,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:53,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:53,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:53,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:02:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:53,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:02:53,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:53,457 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:02:53,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:53,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389735651] [2024-11-28 05:02:53,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:02:53,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866204942] [2024-11-28 05:02:53,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866204942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:53,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:53,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:02:53,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497645951] [2024-11-28 05:02:53,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:53,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:53,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:53,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:53,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:53,459 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) [2024-11-28 05:02:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:53,791 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2024-11-28 05:02:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:02:53,792 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 [2024-11-28 05:02:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:53,793 INFO L225 Difference]: With dead ends: 256 [2024-11-28 05:02:53,793 INFO L226 Difference]: Without dead ends: 230 [2024-11-28 05:02:53,793 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 [2024-11-28 05:02:53,794 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 [2024-11-28 05:02:53,794 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] [2024-11-28 05:02:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-28 05:02:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 221. [2024-11-28 05:02:53,810 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) [2024-11-28 05:02:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2024-11-28 05:02:53,812 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2024-11-28 05:02:53,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:53,812 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2024-11-28 05:02:53,812 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) [2024-11-28 05:02:53,812 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2024-11-28 05:02:53,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 05:02:53,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:53,813 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] [2024-11-28 05:02:53,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:02:54,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:54,014 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)] === [2024-11-28 05:02:54,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1336855546, now seen corresponding path program 1 times [2024-11-28 05:02:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905938984] [2024-11-28 05:02:54,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:54,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:54,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905938984] [2024-11-28 05:02:54,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905938984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:54,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:54,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:02:54,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131755320] [2024-11-28 05:02:54,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:54,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:54,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:54,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:54,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:54,206 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) [2024-11-28 05:02:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:54,314 INFO L93 Difference]: Finished difference Result 222 states and 251 transitions. [2024-11-28 05:02:54,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:02:54,315 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 [2024-11-28 05:02:54,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:54,318 INFO L225 Difference]: With dead ends: 222 [2024-11-28 05:02:54,318 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 05:02:54,318 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 [2024-11-28 05:02:54,319 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 [2024-11-28 05:02:54,319 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] [2024-11-28 05:02:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 05:02:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-28 05:02:54,337 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) [2024-11-28 05:02:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2024-11-28 05:02:54,338 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2024-11-28 05:02:54,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:54,339 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2024-11-28 05:02:54,339 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) [2024-11-28 05:02:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2024-11-28 05:02:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 05:02:54,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:54,344 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] [2024-11-28 05:02:54,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:02:54,344 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)] === [2024-11-28 05:02:54,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:54,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1507150918, now seen corresponding path program 1 times [2024-11-28 05:02:54,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:54,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622325681] [2024-11-28 05:02:54,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:54,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:54,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:54,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622325681] [2024-11-28 05:02:54,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622325681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:54,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:54,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:02:54,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904596589] [2024-11-28 05:02:54,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:54,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:02:54,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:54,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:02:54,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:02:54,476 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) [2024-11-28 05:02:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:54,723 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2024-11-28 05:02:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:02:54,724 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 [2024-11-28 05:02:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:54,725 INFO L225 Difference]: With dead ends: 222 [2024-11-28 05:02:54,725 INFO L226 Difference]: Without dead ends: 221 [2024-11-28 05:02:54,725 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 [2024-11-28 05:02:54,726 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 [2024-11-28 05:02:54,726 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] [2024-11-28 05:02:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-28 05:02:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-28 05:02:54,733 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) [2024-11-28 05:02:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2024-11-28 05:02:54,735 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2024-11-28 05:02:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:54,735 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2024-11-28 05:02:54,735 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) [2024-11-28 05:02:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2024-11-28 05:02:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 05:02:54,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:54,736 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] [2024-11-28 05:02:54,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:02:54,737 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)] === [2024-11-28 05:02:54,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:54,737 INFO L85 PathProgramCache]: Analyzing trace with hash 55150060, now seen corresponding path program 1 times [2024-11-28 05:02:54,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:54,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405628613] [2024-11-28 05:02:54,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:54,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:54,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405628613] [2024-11-28 05:02:54,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405628613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:02:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804882825] [2024-11-28 05:02:54,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:54,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:54,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:54,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:02:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:54,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:02:54,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:55,063 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:02:55,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804882825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:55,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:02:55,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 05:02:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347293641] [2024-11-28 05:02:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:02:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:55,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:02:55,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:02:55,065 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) [2024-11-28 05:02:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:55,125 INFO L93 Difference]: Finished difference Result 304 states and 342 transitions. [2024-11-28 05:02:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:02:55,125 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 [2024-11-28 05:02:55,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:55,127 INFO L225 Difference]: With dead ends: 304 [2024-11-28 05:02:55,127 INFO L226 Difference]: Without dead ends: 303 [2024-11-28 05:02:55,128 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 [2024-11-28 05:02:55,128 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 [2024-11-28 05:02:55,129 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] [2024-11-28 05:02:55,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-28 05:02:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 238. [2024-11-28 05:02:55,138 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) [2024-11-28 05:02:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 275 transitions. [2024-11-28 05:02:55,139 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 275 transitions. Word has length 47 [2024-11-28 05:02:55,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:55,140 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 275 transitions. [2024-11-28 05:02:55,140 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) [2024-11-28 05:02:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 275 transitions. [2024-11-28 05:02:55,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 05:02:55,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:55,141 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] [2024-11-28 05:02:55,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:02:55,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:55,342 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)] === [2024-11-28 05:02:55,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:55,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601489, now seen corresponding path program 1 times [2024-11-28 05:02:55,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:55,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461140413] [2024-11-28 05:02:55,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:55,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:02:55,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329813038] [2024-11-28 05:02:55,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:55,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:55,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:55,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:55,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:02:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:55,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 05:02:55,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:55,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:02:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:55,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:55,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461140413] [2024-11-28 05:02:55,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:02:55,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329813038] [2024-11-28 05:02:55,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329813038] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:02:55,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:02:55,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-28 05:02:55,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051426336] [2024-11-28 05:02:55,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:55,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:02:55,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:55,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:02:55,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:02:55,924 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) [2024-11-28 05:02:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:56,899 INFO L93 Difference]: Finished difference Result 280 states and 340 transitions. [2024-11-28 05:02:56,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:02:56,900 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 [2024-11-28 05:02:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:56,902 INFO L225 Difference]: With dead ends: 280 [2024-11-28 05:02:56,902 INFO L226 Difference]: Without dead ends: 277 [2024-11-28 05:02:56,903 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 [2024-11-28 05:02:56,903 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 200 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:02:56,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 147 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:02:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-28 05:02:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 235. [2024-11-28 05:02:56,915 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) [2024-11-28 05:02:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 270 transitions. [2024-11-28 05:02:56,916 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 270 transitions. Word has length 49 [2024-11-28 05:02:56,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:56,917 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 270 transitions. [2024-11-28 05:02:56,917 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) [2024-11-28 05:02:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 270 transitions. [2024-11-28 05:02:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 05:02:56,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:56,918 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] [2024-11-28 05:02:56,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:02:57,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:57,122 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)] === [2024-11-28 05:02:57,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:57,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1459601624, now seen corresponding path program 1 times [2024-11-28 05:02:57,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:57,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477334206] [2024-11-28 05:02:57,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:57,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:57,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:57,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477334206] [2024-11-28 05:02:57,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477334206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:02:57,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729996632] [2024-11-28 05:02:57,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:57,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:57,238 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:57,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:02:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:57,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:02:57,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:57,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:02:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:57,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729996632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:02:57,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:02:57,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-28 05:02:57,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554444921] [2024-11-28 05:02:57,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:02:57,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:02:57,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:57,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:02:57,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:02:57,505 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) [2024-11-28 05:02:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:57,659 INFO L93 Difference]: Finished difference Result 472 states and 493 transitions. [2024-11-28 05:02:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:02:57,660 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 [2024-11-28 05:02:57,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:57,663 INFO L225 Difference]: With dead ends: 472 [2024-11-28 05:02:57,663 INFO L226 Difference]: Without dead ends: 390 [2024-11-28 05:02:57,663 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 [2024-11-28 05:02:57,666 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 [2024-11-28 05:02:57,666 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] [2024-11-28 05:02:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-28 05:02:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 295. [2024-11-28 05:02:57,688 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) [2024-11-28 05:02:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 358 transitions. [2024-11-28 05:02:57,691 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 358 transitions. Word has length 49 [2024-11-28 05:02:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:57,692 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 358 transitions. [2024-11-28 05:02:57,692 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) [2024-11-28 05:02:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 358 transitions. [2024-11-28 05:02:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 05:02:57,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:57,694 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] [2024-11-28 05:02:57,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 05:02:57,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 05:02:57,894 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)] === [2024-11-28 05:02:57,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1996994047, now seen corresponding path program 1 times [2024-11-28 05:02:57,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:57,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151037148] [2024-11-28 05:02:57,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:57,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:02:57,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899487723] [2024-11-28 05:02:57,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:57,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:57,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:57,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:57,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:02:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:57,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:02:57,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:58,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:02:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:58,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:58,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151037148] [2024-11-28 05:02:58,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:02:58,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899487723] [2024-11-28 05:02:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899487723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:02:58,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:02:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 05:02:58,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450357152] [2024-11-28 05:02:58,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:02:58,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:02:58,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:58,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:02:58,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:02:58,329 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) [2024-11-28 05:02:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:58,980 INFO L93 Difference]: Finished difference Result 316 states and 364 transitions. [2024-11-28 05:02:58,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:02:58,980 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 [2024-11-28 05:02:58,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:58,982 INFO L225 Difference]: With dead ends: 316 [2024-11-28 05:02:58,982 INFO L226 Difference]: Without dead ends: 304 [2024-11-28 05:02:58,982 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 [2024-11-28 05:02:58,983 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 187 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:02:58,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 230 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:02:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-28 05:02:58,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2024-11-28 05:02:58,997 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) [2024-11-28 05:02:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 340 transitions. [2024-11-28 05:02:58,999 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 340 transitions. Word has length 50 [2024-11-28 05:02:58,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:58,999 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 340 transitions. [2024-11-28 05:02:58,999 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) [2024-11-28 05:02:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 340 transitions. [2024-11-28 05:02:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 05:02:59,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:59,001 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] [2024-11-28 05:02:59,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:02:59,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 05:02:59,202 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)] === [2024-11-28 05:02:59,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:59,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1929656231, now seen corresponding path program 1 times [2024-11-28 05:02:59,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:59,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377489162] [2024-11-28 05:02:59,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:59,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:02:59,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349037094] [2024-11-28 05:02:59,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:59,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:59,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:59,226 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:59,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:02:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:59,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:02:59,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:02:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:02:59,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:02:59,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:59,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377489162] [2024-11-28 05:02:59,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:02:59,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349037094] [2024-11-28 05:02:59,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349037094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:59,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:59,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:02:59,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861217327] [2024-11-28 05:02:59,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:59,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:02:59,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:59,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:02:59,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:02:59,559 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) [2024-11-28 05:02:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:59,868 INFO L93 Difference]: Finished difference Result 300 states and 350 transitions. [2024-11-28 05:02:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:02:59,869 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 [2024-11-28 05:02:59,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:59,870 INFO L225 Difference]: With dead ends: 300 [2024-11-28 05:02:59,871 INFO L226 Difference]: Without dead ends: 229 [2024-11-28 05:02:59,871 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 [2024-11-28 05:02:59,872 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 [2024-11-28 05:02:59,872 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] [2024-11-28 05:02:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-28 05:02:59,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2024-11-28 05:02:59,881 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) [2024-11-28 05:02:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 234 transitions. [2024-11-28 05:02:59,883 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 234 transitions. Word has length 57 [2024-11-28 05:02:59,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:59,883 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 234 transitions. [2024-11-28 05:02:59,883 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) [2024-11-28 05:02:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2024-11-28 05:02:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 05:02:59,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:59,884 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] [2024-11-28 05:02:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:00,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:00,085 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)] === [2024-11-28 05:03:00,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1579444947, now seen corresponding path program 1 times [2024-11-28 05:03:00,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:00,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269900538] [2024-11-28 05:03:00,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:00,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:00,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374144508] [2024-11-28 05:03:00,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:00,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:00,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:00,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:00,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:03:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:00,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:03:00,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:03:00,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269900538] [2024-11-28 05:03:00,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:00,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374144508] [2024-11-28 05:03:00,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374144508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:00,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:03:00,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 05:03:00,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281399175] [2024-11-28 05:03:00,685 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:00,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:03:00,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:00,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:03:00,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:03:00,687 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) [2024-11-28 05:03:00,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:00,884 INFO L93 Difference]: Finished difference Result 217 states and 234 transitions. [2024-11-28 05:03:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:03:00,884 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 [2024-11-28 05:03:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:00,886 INFO L225 Difference]: With dead ends: 217 [2024-11-28 05:03:00,886 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 05:03:00,886 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 [2024-11-28 05:03:00,887 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 [2024-11-28 05:03:00,887 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] [2024-11-28 05:03:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 05:03:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 05:03:00,898 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) [2024-11-28 05:03:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 229 transitions. [2024-11-28 05:03:00,899 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 229 transitions. Word has length 77 [2024-11-28 05:03:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:00,899 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 229 transitions. [2024-11-28 05:03:00,900 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) [2024-11-28 05:03:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 229 transitions. [2024-11-28 05:03:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 05:03:00,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:00,901 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] [2024-11-28 05:03:00,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:01,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 05:03:01,101 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)] === [2024-11-28 05:03:01,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1718153224, now seen corresponding path program 1 times [2024-11-28 05:03:01,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:01,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954502138] [2024-11-28 05:03:01,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:01,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:01,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002432596] [2024-11-28 05:03:01,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:01,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:01,130 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:01,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 05:03:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:01,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:03:01,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:03:01,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:01,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954502138] [2024-11-28 05:03:01,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:01,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002432596] [2024-11-28 05:03:01,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002432596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:01,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:03:01,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:03:01,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203382286] [2024-11-28 05:03:01,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:01,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:03:01,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:01,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:03:01,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:03:01,651 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) [2024-11-28 05:03:01,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:01,900 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2024-11-28 05:03:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:03:01,901 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 [2024-11-28 05:03:01,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:01,902 INFO L225 Difference]: With dead ends: 224 [2024-11-28 05:03:01,902 INFO L226 Difference]: Without dead ends: 220 [2024-11-28 05:03:01,902 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 [2024-11-28 05:03:01,903 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 [2024-11-28 05:03:01,903 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] [2024-11-28 05:03:01,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-28 05:03:01,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-28 05:03:01,913 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) [2024-11-28 05:03:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2024-11-28 05:03:01,914 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 78 [2024-11-28 05:03:01,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:01,915 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2024-11-28 05:03:01,915 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) [2024-11-28 05:03:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2024-11-28 05:03:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 05:03:01,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:01,916 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] [2024-11-28 05:03:01,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 05:03:02,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 05:03:02,117 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)] === [2024-11-28 05:03:02,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:02,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1917413353, now seen corresponding path program 1 times [2024-11-28 05:03:02,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:02,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700650126] [2024-11-28 05:03:02,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:02,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522528869] [2024-11-28 05:03:02,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:02,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:02,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:02,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 05:03:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:02,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:03:02,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:03:02,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:02,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:02,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700650126] [2024-11-28 05:03:02,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:02,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522528869] [2024-11-28 05:03:02,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522528869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:02,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:03:02,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 05:03:02,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178331540] [2024-11-28 05:03:02,718 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:02,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:03:02,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:02,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:03:02,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:03:02,720 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) [2024-11-28 05:03:03,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:03,023 INFO L93 Difference]: Finished difference Result 221 states and 233 transitions. [2024-11-28 05:03:03,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:03:03,023 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 [2024-11-28 05:03:03,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:03,024 INFO L225 Difference]: With dead ends: 221 [2024-11-28 05:03:03,025 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 05:03:03,025 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 [2024-11-28 05:03:03,025 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:03:03,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:03:03,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 05:03:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2024-11-28 05:03:03,037 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) [2024-11-28 05:03:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 227 transitions. [2024-11-28 05:03:03,039 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 227 transitions. Word has length 81 [2024-11-28 05:03:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:03,039 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 227 transitions. [2024-11-28 05:03:03,039 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) [2024-11-28 05:03:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2024-11-28 05:03:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 05:03:03,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:03,040 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] [2024-11-28 05:03:03,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:03,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 05:03:03,241 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)] === [2024-11-28 05:03:03,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:03,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1784316206, now seen corresponding path program 1 times [2024-11-28 05:03:03,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:03,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106356688] [2024-11-28 05:03:03,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:03,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296196773] [2024-11-28 05:03:03,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:03,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:03,271 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 05:03:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:03,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:03:03,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:03:03,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:03:03,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:03,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106356688] [2024-11-28 05:03:03,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:03,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296196773] [2024-11-28 05:03:03,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296196773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:03,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:03:03,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 05:03:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219868435] [2024-11-28 05:03:03,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:03,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:03:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:03,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:03:03,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:03:03,685 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) [2024-11-28 05:03:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:04,023 INFO L93 Difference]: Finished difference Result 224 states and 235 transitions. [2024-11-28 05:03:04,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:03:04,024 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 [2024-11-28 05:03:04,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:04,025 INFO L225 Difference]: With dead ends: 224 [2024-11-28 05:03:04,026 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 05:03:04,026 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 [2024-11-28 05:03:04,026 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 [2024-11-28 05:03:04,027 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] [2024-11-28 05:03:04,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 05:03:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2024-11-28 05:03:04,055 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) [2024-11-28 05:03:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 218 transitions. [2024-11-28 05:03:04,057 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 218 transitions. Word has length 82 [2024-11-28 05:03:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:04,058 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 218 transitions. [2024-11-28 05:03:04,058 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) [2024-11-28 05:03:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 218 transitions. [2024-11-28 05:03:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:03:04,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:04,059 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] [2024-11-28 05:03:04,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:04,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 05:03:04,260 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)] === [2024-11-28 05:03:04,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1105744896, now seen corresponding path program 2 times [2024-11-28 05:03:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:04,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688701654] [2024-11-28 05:03:04,260 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:03:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:04,291 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:03:04,293 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:03:04,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004701773] [2024-11-28 05:03:04,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:03:04,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:04,300 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:04,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 05:03:04,347 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:03:04,347 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:03:04,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:03:04,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-28 05:03:04,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:03:04,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:04,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688701654] [2024-11-28 05:03:04,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:04,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004701773] [2024-11-28 05:03:04,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004701773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:04,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:04,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:03:04,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262535390] [2024-11-28 05:03:04,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:04,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:03:04,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:04,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:03:04,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:03:04,837 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) [2024-11-28 05:03:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:04,978 INFO L93 Difference]: Finished difference Result 213 states and 218 transitions. [2024-11-28 05:03:04,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:03:04,979 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 [2024-11-28 05:03:04,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:04,980 INFO L225 Difference]: With dead ends: 213 [2024-11-28 05:03:04,980 INFO L226 Difference]: Without dead ends: 204 [2024-11-28 05:03:04,980 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 [2024-11-28 05:03:04,981 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 [2024-11-28 05:03:04,981 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] [2024-11-28 05:03:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-28 05:03:04,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-28 05:03:04,992 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) [2024-11-28 05:03:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2024-11-28 05:03:04,993 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 120 [2024-11-28 05:03:04,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:04,994 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2024-11-28 05:03:04,994 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) [2024-11-28 05:03:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2024-11-28 05:03:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 05:03:04,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:04,995 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] [2024-11-28 05:03:05,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:05,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:05,196 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)] === [2024-11-28 05:03:05,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:05,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1105743710, now seen corresponding path program 1 times [2024-11-28 05:03:05,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:05,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36907780] [2024-11-28 05:03:05,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:05,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 05:03:05,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:05,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36907780] [2024-11-28 05:03:05,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36907780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:05,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958403232] [2024-11-28 05:03:05,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:05,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:05,375 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:05,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 05:03:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:05,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:03:05,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:05,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:05,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958403232] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:05,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:03:05,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-28 05:03:05,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833141087] [2024-11-28 05:03:05,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:05,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:03:05,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:05,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:03:05,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:03:05,806 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) [2024-11-28 05:03:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:05,911 INFO L93 Difference]: Finished difference Result 233 states and 235 transitions. [2024-11-28 05:03:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:03:05,912 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 [2024-11-28 05:03:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:05,913 INFO L225 Difference]: With dead ends: 233 [2024-11-28 05:03:05,913 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 05:03:05,913 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 [2024-11-28 05:03:05,914 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 [2024-11-28 05:03:05,915 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] [2024-11-28 05:03:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 05:03:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 203. [2024-11-28 05:03:05,925 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) [2024-11-28 05:03:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2024-11-28 05:03:05,927 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 120 [2024-11-28 05:03:05,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:05,927 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2024-11-28 05:03:05,927 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) [2024-11-28 05:03:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2024-11-28 05:03:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 05:03:05,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:05,929 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] [2024-11-28 05:03:05,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:06,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:06,129 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)] === [2024-11-28 05:03:06,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:06,130 INFO L85 PathProgramCache]: Analyzing trace with hash 121560424, now seen corresponding path program 1 times [2024-11-28 05:03:06,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:06,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210071960] [2024-11-28 05:03:06,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:06,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990240279] [2024-11-28 05:03:06,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:06,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:06,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:06,158 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:06,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 05:03:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:06,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:03:06,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:06,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:06,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:06,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210071960] [2024-11-28 05:03:06,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:06,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990240279] [2024-11-28 05:03:06,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990240279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:06,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:03:06,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:03:06,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562513117] [2024-11-28 05:03:06,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:06,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:03:06,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:06,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:03:06,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:03:06,502 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) [2024-11-28 05:03:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:06,729 INFO L93 Difference]: Finished difference Result 234 states and 237 transitions. [2024-11-28 05:03:06,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:03:06,730 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 [2024-11-28 05:03:06,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:06,732 INFO L225 Difference]: With dead ends: 234 [2024-11-28 05:03:06,732 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 05:03:06,732 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 [2024-11-28 05:03:06,733 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 [2024-11-28 05:03:06,733 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] [2024-11-28 05:03:06,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 05:03:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 209. [2024-11-28 05:03:06,745 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) [2024-11-28 05:03:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 211 transitions. [2024-11-28 05:03:06,746 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 211 transitions. Word has length 126 [2024-11-28 05:03:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:06,747 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 211 transitions. [2024-11-28 05:03:06,747 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) [2024-11-28 05:03:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 211 transitions. [2024-11-28 05:03:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 05:03:06,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:06,748 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] [2024-11-28 05:03:06,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 05:03:06,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 05:03:06,949 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)] === [2024-11-28 05:03:06,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 855454122, now seen corresponding path program 1 times [2024-11-28 05:03:06,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:06,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037208868] [2024-11-28 05:03:06,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:06,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:06,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134490948] [2024-11-28 05:03:06,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:06,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:06,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:06,993 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:06,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 05:03:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:07,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:03:07,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:03:07,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 117 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:03:09,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:09,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037208868] [2024-11-28 05:03:09,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:09,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134490948] [2024-11-28 05:03:09,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134490948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:09,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:03:09,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2024-11-28 05:03:09,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69050370] [2024-11-28 05:03:09,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:09,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:03:09,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:09,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:03:09,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:03:09,166 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) [2024-11-28 05:03:12,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:03:15,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:03:19,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:03:24,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:03:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:25,732 INFO L93 Difference]: Finished difference Result 226 states and 230 transitions. [2024-11-28 05:03:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:03:25,733 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 [2024-11-28 05:03:25,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:25,734 INFO L225 Difference]: With dead ends: 226 [2024-11-28 05:03:25,734 INFO L226 Difference]: Without dead ends: 225 [2024-11-28 05:03:25,735 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 [2024-11-28 05:03:25,736 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 31 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:03:25,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 216 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 901 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2024-11-28 05:03:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-28 05:03:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 208. [2024-11-28 05:03:25,749 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) [2024-11-28 05:03:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2024-11-28 05:03:25,750 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 128 [2024-11-28 05:03:25,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:25,751 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2024-11-28 05:03:25,751 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) [2024-11-28 05:03:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2024-11-28 05:03:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 05:03:25,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:25,752 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] [2024-11-28 05:03:25,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 05:03:25,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 05:03:25,953 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)] === [2024-11-28 05:03:25,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:25,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1290759183, now seen corresponding path program 2 times [2024-11-28 05:03:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:25,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469644049] [2024-11-28 05:03:25,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:03:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:25,976 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:03:25,976 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:03:25,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472769571] [2024-11-28 05:03:25,978 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:03:25,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:25,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:25,981 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:25,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 05:03:26,044 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:03:26,044 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:03:26,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:03:26,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:26,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:26,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:26,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469644049] [2024-11-28 05:03:26,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:26,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472769571] [2024-11-28 05:03:26,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472769571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:26,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:03:26,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 05:03:26,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398702892] [2024-11-28 05:03:26,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:26,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:03:26,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:26,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:03:26,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:03:26,887 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) [2024-11-28 05:03:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:28,278 INFO L93 Difference]: Finished difference Result 363 states and 389 transitions. [2024-11-28 05:03:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:03:28,278 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 [2024-11-28 05:03:28,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:28,280 INFO L225 Difference]: With dead ends: 363 [2024-11-28 05:03:28,280 INFO L226 Difference]: Without dead ends: 360 [2024-11-28 05:03:28,281 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 [2024-11-28 05:03:28,281 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 273 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:03:28,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 352 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:03:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-28 05:03:28,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2024-11-28 05:03:28,309 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) [2024-11-28 05:03:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 343 transitions. [2024-11-28 05:03:28,311 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 343 transitions. Word has length 134 [2024-11-28 05:03:28,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:28,312 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 343 transitions. [2024-11-28 05:03:28,312 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) [2024-11-28 05:03:28,312 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 343 transitions. [2024-11-28 05:03:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 05:03:28,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:28,314 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] [2024-11-28 05:03:28,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 05:03:28,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 05:03:28,516 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)] === [2024-11-28 05:03:28,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash -2086443337, now seen corresponding path program 1 times [2024-11-28 05:03:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:28,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682482002] [2024-11-28 05:03:28,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:28,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:03:28,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500696225] [2024-11-28 05:03:28,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:28,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:28,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:28,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:28,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 05:03:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:28,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:03:28,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:28,855 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:03:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:29,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682482002] [2024-11-28 05:03:29,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:03:29,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500696225] [2024-11-28 05:03:29,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500696225] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:29,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:03:29,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 05:03:29,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310409369] [2024-11-28 05:03:29,422 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:29,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:03:29,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:29,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:03:29,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:03:29,424 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) [2024-11-28 05:03:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:30,398 INFO L93 Difference]: Finished difference Result 429 states and 460 transitions. [2024-11-28 05:03:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:03:30,399 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 [2024-11-28 05:03:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:30,401 INFO L225 Difference]: With dead ends: 429 [2024-11-28 05:03:30,401 INFO L226 Difference]: Without dead ends: 388 [2024-11-28 05:03:30,401 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 [2024-11-28 05:03:30,402 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 [2024-11-28 05:03:30,402 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] [2024-11-28 05:03:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-28 05:03:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 376. [2024-11-28 05:03:30,427 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) [2024-11-28 05:03:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 389 transitions. [2024-11-28 05:03:30,428 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 389 transitions. Word has length 140 [2024-11-28 05:03:30,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:30,429 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 389 transitions. [2024-11-28 05:03:30,429 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) [2024-11-28 05:03:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 389 transitions. [2024-11-28 05:03:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 05:03:30,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:30,431 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] [2024-11-28 05:03:30,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 05:03:30,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 05:03:30,632 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)] === [2024-11-28 05:03:30,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:30,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1296361333, now seen corresponding path program 1 times [2024-11-28 05:03:30,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562525060] [2024-11-28 05:03:30,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:03:31,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562525060] [2024-11-28 05:03:31,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562525060] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:03:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854992037] [2024-11-28 05:03:31,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:31,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:31,060 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:31,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 05:03:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:31,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:03:31,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:31,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:03:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854992037] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:31,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:03:31,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-28 05:03:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077486734] [2024-11-28 05:03:31,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:31,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:03:31,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:31,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:03:31,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:03:31,702 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) [2024-11-28 05:03:32,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:03:32,173 INFO L93 Difference]: Finished difference Result 498 states and 507 transitions. [2024-11-28 05:03:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 05:03:32,174 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 [2024-11-28 05:03:32,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:03:32,176 INFO L225 Difference]: With dead ends: 498 [2024-11-28 05:03:32,176 INFO L226 Difference]: Without dead ends: 460 [2024-11-28 05:03:32,177 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 [2024-11-28 05:03:32,178 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 [2024-11-28 05:03:32,179 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] [2024-11-28 05:03:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-28 05:03:32,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 454. [2024-11-28 05:03:32,211 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) [2024-11-28 05:03:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 460 transitions. [2024-11-28 05:03:32,213 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 460 transitions. Word has length 176 [2024-11-28 05:03:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:03:32,213 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 460 transitions. [2024-11-28 05:03:32,213 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) [2024-11-28 05:03:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 460 transitions. [2024-11-28 05:03:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-28 05:03:32,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:32,217 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] [2024-11-28 05:03:32,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 05:03:32,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 05:03:32,422 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)] === [2024-11-28 05:03:32,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:32,422 INFO L85 PathProgramCache]: Analyzing trace with hash 519938001, now seen corresponding path program 3 times [2024-11-28 05:03:32,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:32,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440968470] [2024-11-28 05:03:32,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:03:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:32,483 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 05:03:32,484 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:03:32,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188354460] [2024-11-28 05:03:32,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:03:32,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:03:32,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:32,488 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:03:32,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf42da6-1fb4-4ab4-837b-1d6fd5663951/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 05:03:35,479 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-28 05:03:35,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:03:35,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-28 05:03:35,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 846 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:03:36,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:04:05,488 WARN L286 SmtUtils]: Spent 27.62s 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) [2024-11-28 05:05:40,269 WARN L286 SmtUtils]: Spent 7.44s 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) [2024-11-28 05:11:54,810 WARN L286 SmtUtils]: Spent 54.21s 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) [2024-11-28 05:15:44,949 WARN L286 SmtUtils]: Spent 6.87s 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) [2024-11-28 05:15:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 18 proven. 840 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 05:15:57,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440968470] [2024-11-28 05:15:57,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188354460] [2024-11-28 05:15:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188354460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:15:57,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:15:57,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2024-11-28 05:15:57,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666089910] [2024-11-28 05:15:57,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:57,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 05:15:57,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:57,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 05:15:57,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=758, Unknown=2, NotChecked=0, Total=992 [2024-11-28 05:15:57,013 INFO L87 Difference]: Start difference. First operand 454 states and 460 transitions. Second operand has 32 states, 31 states have (on average 17.451612903225808) internal successors, (541), 32 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) [2024-11-28 05:16:03,094 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (* 4 .cse4)) (.cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse3 (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)) 4) 0))) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (or (< (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 165) (* .cse1 42)) (+ (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 13)) .cse2) 4) 2305843009213693727)) .cse3) (or (< (+ (* .cse1 30) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 90)) (+ (div (+ .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 4) 2305843009213693852)) .cse3) (or (< (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 273) (* .cse1 54)) (+ (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 37)) .cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 10))) 4) 2305843009213693511)) .cse3) (or (< (+ (* 66 .cse1) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 420)) (+ (div (+ (* (- 14) |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) .cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 73))) 4) 2305843009213693168)) .cse3) (= |c_ULTIMATE.start_main_~x~0#1| 784) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* .cse1 3) .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 3)) 2305843009213693951)))) is different from false [2024-11-28 05:16:46,130 WARN L286 SmtUtils]: Spent 16.42s on a formula simplification. DAG size of input: 80 DAG size of output: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:16:50,134 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 [] [2024-11-28 05:16:54,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:58,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:02,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:06,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:10,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:14,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:18,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:22,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:26,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:30,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:32,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:33,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:37,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:41,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:45,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:49,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:51,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:55,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:57,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:01,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:04,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:08,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []