./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU --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 a69d5fb397906cd89c0147a3c54d3ad7658561b03775140fca8816654a2bbc3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:43,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:43,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:18:43,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:43,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:43,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:43,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:43,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:43,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:43,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:43,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:18:43,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:18:43,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:43,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:43,770 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:43,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:43,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:18:43,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:43,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:43,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:43,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:43,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:18:43,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:18:43,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:18:43,775 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:43,775 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:18:43,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:43,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:43,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:43,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:43,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:43,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:43,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:18:43,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:18:43,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:43,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:43,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:18:43,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:18:43,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:43,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:18:43,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:18:43,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:18:43,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:18:43,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:18:43,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69d5fb397906cd89c0147a3c54d3ad7658561b03775140fca8816654a2bbc3d [2024-10-31 22:18:44,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:44,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:44,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:44,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:44,087 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:44,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c Unable to find full path for "g++" [2024-10-31 22:18:46,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:46,355 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:46,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound2.c [2024-10-31 22:18:46,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/data/19126b769/7cf7bc85e1614be2b927cf882fe6a6e1/FLAGc32b1e94b [2024-10-31 22:18:46,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/data/19126b769/7cf7bc85e1614be2b927cf882fe6a6e1 [2024-10-31 22:18:46,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:46,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:46,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:46,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:46,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:46,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615820c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46, skipping insertion in model container [2024-10-31 22:18:46,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:46,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:46,687 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:46,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:46,730 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:46,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46 WrapperNode [2024-10-31 22:18:46,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:46,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:46,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:46,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,770 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2024-10-31 22:18:46,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:46,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:46,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:46,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,819 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]. [2024-10-31 22:18:46,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:46,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:46,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:46,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:46,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (1/1) ... [2024-10-31 22:18:46,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:18:46,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:46,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:46,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:18:46,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:18:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:46,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:18:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:18:46,993 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:46,995 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:47,559 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:47,559 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:47,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:47,580 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:18:47,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:47 BoogieIcfgContainer [2024-10-31 22:18:47,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:47,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:18:47,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:18:47,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:18:47,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:18:46" (1/3) ... [2024-10-31 22:18:47,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae3be45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:47, skipping insertion in model container [2024-10-31 22:18:47,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:46" (2/3) ... [2024-10-31 22:18:47,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae3be45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:18:47, skipping insertion in model container [2024-10-31 22:18:47,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:47" (3/3) ... [2024-10-31 22:18:47,596 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound2.c [2024-10-31 22:18:47,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:18:47,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-10-31 22:18:47,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:18:47,737 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;@2ee0b1ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:18:47,737 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-10-31 22:18:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 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) [2024-10-31 22:18:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-31 22:18:47,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:47,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-31 22:18:47,752 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:47,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-10-31 22:18:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:47,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301340216] [2024-10-31 22:18:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:47,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:47,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301340216] [2024-10-31 22:18:47,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301340216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:47,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:47,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901026038] [2024-10-31 22:18:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:47,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:47,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:47,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:47,985 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-31 22:18:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:48,222 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2024-10-31 22:18:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:48,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-31 22:18:48,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:48,234 INFO L225 Difference]: With dead ends: 264 [2024-10-31 22:18:48,235 INFO L226 Difference]: Without dead ends: 128 [2024-10-31 22:18:48,238 INFO L431 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 [2024-10-31 22:18:48,243 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:48,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:48,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-31 22:18:48,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-10-31 22:18:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 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) [2024-10-31 22:18:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-10-31 22:18:48,319 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2024-10-31 22:18:48,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:48,319 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-10-31 22:18:48,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-31 22:18:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-10-31 22:18:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:18:48,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:48,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:18:48,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:18:48,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:48,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-10-31 22:18:48,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:48,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124250644] [2024-10-31 22:18:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:48,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124250644] [2024-10-31 22:18:48,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124250644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:48,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:48,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:48,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547048574] [2024-10-31 22:18:48,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:48,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:48,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:48,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:48,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:48,392 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.0) 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) [2024-10-31 22:18:48,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:48,556 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2024-10-31 22:18:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:48,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 [2024-10-31 22:18:48,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:48,560 INFO L225 Difference]: With dead ends: 128 [2024-10-31 22:18:48,560 INFO L226 Difference]: Without dead ends: 124 [2024-10-31 22:18:48,561 INFO L431 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 [2024-10-31 22:18:48,566 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:48,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:18:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-31 22:18:48,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-10-31 22:18:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 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) [2024-10-31 22:18:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-10-31 22:18:48,586 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-10-31 22:18:48,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:48,587 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-10-31 22:18:48,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2024-10-31 22:18:48,587 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-10-31 22:18:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:18:48,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:48,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:18:48,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:18:48,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:48,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2024-10-31 22:18:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810480819] [2024-10-31 22:18:48,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:48,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:48,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810480819] [2024-10-31 22:18:48,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810480819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:48,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:48,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411248230] [2024-10-31 22:18:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:48,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:48,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:48,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:48,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:48,676 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) 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) [2024-10-31 22:18:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:48,907 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-10-31 22:18:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:48,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) 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 [2024-10-31 22:18:48,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:48,909 INFO L225 Difference]: With dead ends: 124 [2024-10-31 22:18:48,910 INFO L226 Difference]: Without dead ends: 123 [2024-10-31 22:18:48,910 INFO L431 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 [2024-10-31 22:18:48,912 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:48,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:48,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-31 22:18:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-31 22:18:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 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) [2024-10-31 22:18:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-10-31 22:18:48,924 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2024-10-31 22:18:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:48,925 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-10-31 22:18:48,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) 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) [2024-10-31 22:18:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-10-31 22:18:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:18:48,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:48,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:18:48,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:18:48,927 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:48,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2024-10-31 22:18:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:48,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499014631] [2024-10-31 22:18:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:48,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499014631] [2024-10-31 22:18:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499014631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:48,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:48,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895693743] [2024-10-31 22:18:48,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:48,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:48,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:48,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:48,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:48,980 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-31 22:18:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:49,244 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-10-31 22:18:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-31 22:18:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:49,246 INFO L225 Difference]: With dead ends: 123 [2024-10-31 22:18:49,247 INFO L226 Difference]: Without dead ends: 122 [2024-10-31 22:18:49,247 INFO L431 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 [2024-10-31 22:18:49,249 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:49,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:18:49,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-31 22:18:49,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-31 22:18:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 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) [2024-10-31 22:18:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-31 22:18:49,264 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2024-10-31 22:18:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:49,265 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-31 22:18:49,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-31 22:18:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-31 22:18:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:18:49,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:49,266 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:18:49,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:49,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,267 INFO L85 PathProgramCache]: Analyzing trace with hash 87859048, now seen corresponding path program 1 times [2024-10-31 22:18:49,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616240840] [2024-10-31 22:18:49,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:49,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:49,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616240840] [2024-10-31 22:18:49,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616240840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:49,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:49,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:49,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106392211] [2024-10-31 22:18:49,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:49,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:49,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:49,380 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 22:18:49,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:49,423 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-10-31 22:18:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:18:49,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-31 22:18:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:49,426 INFO L225 Difference]: With dead ends: 122 [2024-10-31 22:18:49,426 INFO L226 Difference]: Without dead ends: 121 [2024-10-31 22:18:49,426 INFO L431 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 [2024-10-31 22:18:49,429 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 118 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:49,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 233 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:18:49,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-31 22:18:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-31 22:18:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 118 states have internal predecessors, (121), 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) [2024-10-31 22:18:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2024-10-31 22:18:49,450 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 8 [2024-10-31 22:18:49,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:49,450 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2024-10-31 22:18:49,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-31 22:18:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2024-10-31 22:18:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:18:49,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:49,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:18:49,452 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1571336759, now seen corresponding path program 1 times [2024-10-31 22:18:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621144456] [2024-10-31 22:18:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:49,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:49,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621144456] [2024-10-31 22:18:49,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621144456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:49,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:49,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:49,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74433556] [2024-10-31 22:18:49,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:49,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:49,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:49,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:49,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:49,542 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 22:18:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:49,596 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2024-10-31 22:18:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-10-31 22:18:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:49,599 INFO L225 Difference]: With dead ends: 168 [2024-10-31 22:18:49,600 INFO L226 Difference]: Without dead ends: 125 [2024-10-31 22:18:49,601 INFO L431 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 [2024-10-31 22:18:49,602 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 3 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 349 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 [2024-10-31 22:18:49,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 349 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:18:49,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-31 22:18:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-31 22:18:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.6891891891891893) internal successors, (125), 122 states have internal predecessors, (125), 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) [2024-10-31 22:18:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-10-31 22:18:49,617 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 9 [2024-10-31 22:18:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:49,618 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-10-31 22:18:49,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-31 22:18:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-10-31 22:18:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 22:18:49,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:49,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:18:49,620 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:49,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1773864523, now seen corresponding path program 1 times [2024-10-31 22:18:49,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:49,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993300175] [2024-10-31 22:18:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:49,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018313814] [2024-10-31 22:18:49,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:49,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:49,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:49,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:49,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:18:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:49,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:18:49,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:49,722 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:49,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:49,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993300175] [2024-10-31 22:18:49,723 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:49,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018313814] [2024-10-31 22:18:49,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018313814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:49,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:49,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:49,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226761926] [2024-10-31 22:18:49,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:49,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:49,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:49,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:49,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:49,726 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:18:49,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:49,903 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2024-10-31 22:18:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:49,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-10-31 22:18:49,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:49,905 INFO L225 Difference]: With dead ends: 193 [2024-10-31 22:18:49,905 INFO L226 Difference]: Without dead ends: 187 [2024-10-31 22:18:49,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:49,907 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:49,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-31 22:18:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2024-10-31 22:18:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 97 states have (on average 1.6804123711340206) internal successors, (163), 145 states have internal predecessors, (163), 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) [2024-10-31 22:18:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2024-10-31 22:18:49,932 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 11 [2024-10-31 22:18:49,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:49,932 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2024-10-31 22:18:49,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:18:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2024-10-31 22:18:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:18:49,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:49,933 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:49,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:18:50,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:50,134 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:50,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:50,136 INFO L85 PathProgramCache]: Analyzing trace with hash -418208051, now seen corresponding path program 1 times [2024-10-31 22:18:50,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:50,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319160529] [2024-10-31 22:18:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:50,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271165860] [2024-10-31 22:18:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:50,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:50,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:50,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:50,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:18:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:50,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:18:50,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:50,255 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:50,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:50,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319160529] [2024-10-31 22:18:50,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:50,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271165860] [2024-10-31 22:18:50,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271165860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:50,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595624879] [2024-10-31 22:18:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:50,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:18:50,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:50,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:50,261 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-31 22:18:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:50,413 INFO L93 Difference]: Finished difference Result 254 states and 277 transitions. [2024-10-31 22:18:50,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-10-31 22:18:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:50,416 INFO L225 Difference]: With dead ends: 254 [2024-10-31 22:18:50,416 INFO L226 Difference]: Without dead ends: 248 [2024-10-31 22:18:50,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:50,419 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 93 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:50,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:18:50,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-31 22:18:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-10-31 22:18:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 148 states have (on average 1.6756756756756757) internal successors, (248), 196 states have internal predecessors, (248), 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) [2024-10-31 22:18:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 254 transitions. [2024-10-31 22:18:50,453 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 254 transitions. Word has length 13 [2024-10-31 22:18:50,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:50,453 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 254 transitions. [2024-10-31 22:18:50,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-31 22:18:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2024-10-31 22:18:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 22:18:50,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:50,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:50,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:50,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:50,655 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:50,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:50,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1828990799, now seen corresponding path program 1 times [2024-10-31 22:18:50,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:50,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999413635] [2024-10-31 22:18:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:50,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007073629] [2024-10-31 22:18:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:50,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:50,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:50,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:50,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:18:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:50,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:18:50,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:50,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:50,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:50,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999413635] [2024-10-31 22:18:50,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:50,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007073629] [2024-10-31 22:18:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007073629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:50,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:50,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:50,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837885584] [2024-10-31 22:18:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:50,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:50,782 INFO L87 Difference]: Start difference. First operand 201 states and 254 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) [2024-10-31 22:18:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:51,051 INFO L93 Difference]: Finished difference Result 292 states and 353 transitions. [2024-10-31 22:18:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:51,052 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 [2024-10-31 22:18:51,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:51,054 INFO L225 Difference]: With dead ends: 292 [2024-10-31 22:18:51,054 INFO L226 Difference]: Without dead ends: 290 [2024-10-31 22:18:51,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:51,057 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:51,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-31 22:18:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 202. [2024-10-31 22:18:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 149 states have (on average 1.6644295302013423) internal successors, (248), 197 states have internal predecessors, (248), 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) [2024-10-31 22:18:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 254 transitions. [2024-10-31 22:18:51,079 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 254 transitions. Word has length 15 [2024-10-31 22:18:51,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:51,079 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 254 transitions. [2024-10-31 22:18:51,080 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) [2024-10-31 22:18:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2024-10-31 22:18:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:18:51,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:51,081 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:51,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:18:51,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:51,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:51,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash 864139987, now seen corresponding path program 1 times [2024-10-31 22:18:51,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:51,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977724533] [2024-10-31 22:18:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:51,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715347313] [2024-10-31 22:18:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:51,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:51,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:51,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:51,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:18:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:51,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:18:51,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:51,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:51,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:51,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977724533] [2024-10-31 22:18:51,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:51,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715347313] [2024-10-31 22:18:51,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715347313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:51,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:51,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:51,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137757] [2024-10-31 22:18:51,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:51,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:51,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:51,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:51,460 INFO L87 Difference]: Start difference. First operand 202 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:18:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:51,799 INFO L93 Difference]: Finished difference Result 291 states and 351 transitions. [2024-10-31 22:18:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:51,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-10-31 22:18:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:51,802 INFO L225 Difference]: With dead ends: 291 [2024-10-31 22:18:51,802 INFO L226 Difference]: Without dead ends: 289 [2024-10-31 22:18:51,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:51,804 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 140 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:51,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:18:51,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-31 22:18:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 203. [2024-10-31 22:18:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6533333333333333) internal successors, (248), 198 states have internal predecessors, (248), 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) [2024-10-31 22:18:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 254 transitions. [2024-10-31 22:18:51,822 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 254 transitions. Word has length 16 [2024-10-31 22:18:51,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:51,822 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 254 transitions. [2024-10-31 22:18:51,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:18:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 254 transitions. [2024-10-31 22:18:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-31 22:18:51,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:51,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:51,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:18:52,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:18:52,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:52,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:52,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1018535889, now seen corresponding path program 1 times [2024-10-31 22:18:52,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:52,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135928079] [2024-10-31 22:18:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:52,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:52,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040442182] [2024-10-31 22:18:52,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:52,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:52,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:52,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:52,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:18:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:52,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:18:52,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:52,141 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:52,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:52,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135928079] [2024-10-31 22:18:52,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040442182] [2024-10-31 22:18:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040442182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:52,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:52,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235532122] [2024-10-31 22:18:52,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:52,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:52,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:52,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:52,144 INFO L87 Difference]: Start difference. First operand 203 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-31 22:18:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:52,313 INFO L93 Difference]: Finished difference Result 276 states and 296 transitions. [2024-10-31 22:18:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:52,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2024-10-31 22:18:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:52,316 INFO L225 Difference]: With dead ends: 276 [2024-10-31 22:18:52,316 INFO L226 Difference]: Without dead ends: 274 [2024-10-31 22:18:52,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:52,318 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:52,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:18:52,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-31 22:18:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2024-10-31 22:18:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6333333333333333) internal successors, (245), 198 states have internal predecessors, (245), 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) [2024-10-31 22:18:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions. [2024-10-31 22:18:52,329 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 17 [2024-10-31 22:18:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:52,330 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions. [2024-10-31 22:18:52,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-31 22:18:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2024-10-31 22:18:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-31 22:18:52,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:52,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:52,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:18:52,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-31 22:18:52,532 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:52,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1509841557, now seen corresponding path program 1 times [2024-10-31 22:18:52,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:52,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607286505] [2024-10-31 22:18:52,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:52,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978915184] [2024-10-31 22:18:52,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:52,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:52,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:52,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:18:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:52,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:18:52,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:52,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:52,645 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:52,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:52,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607286505] [2024-10-31 22:18:52,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:52,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978915184] [2024-10-31 22:18:52,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978915184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:52,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:52,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492350774] [2024-10-31 22:18:52,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:52,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:52,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:52,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:52,647 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-31 22:18:52,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:52,892 INFO L93 Difference]: Finished difference Result 274 states and 293 transitions. [2024-10-31 22:18:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:52,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-10-31 22:18:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:52,894 INFO L225 Difference]: With dead ends: 274 [2024-10-31 22:18:52,895 INFO L226 Difference]: Without dead ends: 272 [2024-10-31 22:18:52,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:52,896 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 188 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:52,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:18:52,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-10-31 22:18:52,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 203. [2024-10-31 22:18:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6133333333333333) internal successors, (242), 198 states have internal predecessors, (242), 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) [2024-10-31 22:18:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-10-31 22:18:52,908 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 18 [2024-10-31 22:18:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:52,908 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-10-31 22:18:52,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-31 22:18:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-10-31 22:18:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-31 22:18:52,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:52,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:52,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:18:53,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 22:18:53,110 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:53,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:53,111 INFO L85 PathProgramCache]: Analyzing trace with hash -439551917, now seen corresponding path program 1 times [2024-10-31 22:18:53,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:53,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129633121] [2024-10-31 22:18:53,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:53,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616524935] [2024-10-31 22:18:53,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:53,132 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:53,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:18:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:53,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:53,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:53,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:53,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:53,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129633121] [2024-10-31 22:18:53,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:53,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616524935] [2024-10-31 22:18:53,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616524935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:53,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:53,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:18:53,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910689824] [2024-10-31 22:18:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:53,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:18:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:53,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:18:53,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:53,299 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-10-31 22:18:53,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:53,713 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2024-10-31 22:18:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:18:53,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2024-10-31 22:18:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:53,715 INFO L225 Difference]: With dead ends: 289 [2024-10-31 22:18:53,716 INFO L226 Difference]: Without dead ends: 287 [2024-10-31 22:18:53,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:18:53,717 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 213 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:53,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:18:53,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-10-31 22:18:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 206. [2024-10-31 22:18:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 201 states have internal predecessors, (244), 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) [2024-10-31 22:18:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 250 transitions. [2024-10-31 22:18:53,729 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 250 transitions. Word has length 19 [2024-10-31 22:18:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:53,729 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 250 transitions. [2024-10-31 22:18:53,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2024-10-31 22:18:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 250 transitions. [2024-10-31 22:18:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:18:53,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:53,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:53,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:18:53,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:53,935 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:53,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:53,935 INFO L85 PathProgramCache]: Analyzing trace with hash -741207465, now seen corresponding path program 1 times [2024-10-31 22:18:53,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:53,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138336083] [2024-10-31 22:18:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:53,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:53,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164919029] [2024-10-31 22:18:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:53,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:53,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:53,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:53,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:18:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:54,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:54,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:54,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:54,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:54,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138336083] [2024-10-31 22:18:54,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:54,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164919029] [2024-10-31 22:18:54,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164919029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:54,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:54,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:18:54,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665351379] [2024-10-31 22:18:54,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:54,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:18:54,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:54,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:18:54,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:54,115 INFO L87 Difference]: Start difference. First operand 206 states and 250 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-31 22:18:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:54,620 INFO L93 Difference]: Finished difference Result 288 states and 335 transitions. [2024-10-31 22:18:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:18:54,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2024-10-31 22:18:54,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:54,622 INFO L225 Difference]: With dead ends: 288 [2024-10-31 22:18:54,623 INFO L226 Difference]: Without dead ends: 286 [2024-10-31 22:18:54,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:18:54,624 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 211 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:54,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:18:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-31 22:18:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 207. [2024-10-31 22:18:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 154 states have (on average 1.5844155844155845) internal successors, (244), 202 states have internal predecessors, (244), 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) [2024-10-31 22:18:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 250 transitions. [2024-10-31 22:18:54,635 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 250 transitions. Word has length 20 [2024-10-31 22:18:54,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:54,635 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 250 transitions. [2024-10-31 22:18:54,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-31 22:18:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 250 transitions. [2024-10-31 22:18:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:18:54,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:54,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:54,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:18:54,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-31 22:18:54,837 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:54,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:54,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1502594859, now seen corresponding path program 1 times [2024-10-31 22:18:54,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:54,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633828715] [2024-10-31 22:18:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:54,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467377616] [2024-10-31 22:18:54,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:54,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:54,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:54,858 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:54,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:18:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:54,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:18:54,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:55,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:55,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:55,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633828715] [2024-10-31 22:18:55,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:55,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467377616] [2024-10-31 22:18:55,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467377616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:55,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:55,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:55,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146876869] [2024-10-31 22:18:55,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:55,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:55,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:55,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:55,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:55,128 INFO L87 Difference]: Start difference. First operand 207 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-31 22:18:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:55,709 INFO L93 Difference]: Finished difference Result 276 states and 333 transitions. [2024-10-31 22:18:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:18:55,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2024-10-31 22:18:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:55,711 INFO L225 Difference]: With dead ends: 276 [2024-10-31 22:18:55,711 INFO L226 Difference]: Without dead ends: 274 [2024-10-31 22:18:55,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:18:55,712 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 302 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:55,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 207 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:18:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-31 22:18:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 208. [2024-10-31 22:18:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 155 states have (on average 1.5741935483870968) internal successors, (244), 203 states have internal predecessors, (244), 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) [2024-10-31 22:18:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 250 transitions. [2024-10-31 22:18:55,728 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 250 transitions. Word has length 21 [2024-10-31 22:18:55,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:55,728 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 250 transitions. [2024-10-31 22:18:55,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-10-31 22:18:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 250 transitions. [2024-10-31 22:18:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:18:55,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:55,730 INFO L215 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] [2024-10-31 22:18:55,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 22:18:55,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:18:55,932 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash 664199705, now seen corresponding path program 1 times [2024-10-31 22:18:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105104116] [2024-10-31 22:18:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:55,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117885329] [2024-10-31 22:18:55,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:55,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:55,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:55,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:55,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:18:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:56,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:18:56,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:56,255 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:56,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:56,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105104116] [2024-10-31 22:18:56,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:56,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117885329] [2024-10-31 22:18:56,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117885329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:56,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:56,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:56,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857325551] [2024-10-31 22:18:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:56,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:56,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:56,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:56,259 INFO L87 Difference]: Start difference. First operand 208 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-31 22:18:56,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:56,858 INFO L93 Difference]: Finished difference Result 276 states and 331 transitions. [2024-10-31 22:18:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:18:56,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2024-10-31 22:18:56,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:56,860 INFO L225 Difference]: With dead ends: 276 [2024-10-31 22:18:56,860 INFO L226 Difference]: Without dead ends: 274 [2024-10-31 22:18:56,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:18:56,861 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 279 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:56,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 212 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:18:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-31 22:18:56,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 209. [2024-10-31 22:18:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.564102564102564) internal successors, (244), 204 states have internal predecessors, (244), 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) [2024-10-31 22:18:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2024-10-31 22:18:56,872 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 22 [2024-10-31 22:18:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:56,872 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2024-10-31 22:18:56,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-31 22:18:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2024-10-31 22:18:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-31 22:18:56,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:56,875 INFO L215 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] [2024-10-31 22:18:56,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-31 22:18:57,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:57,078 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:57,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 259158489, now seen corresponding path program 1 times [2024-10-31 22:18:57,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:57,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486910088] [2024-10-31 22:18:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:57,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993642186] [2024-10-31 22:18:57,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:57,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:57,105 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:57,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 22:18:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:57,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:18:57,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:57,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:57,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:57,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486910088] [2024-10-31 22:18:57,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:57,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993642186] [2024-10-31 22:18:57,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993642186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:57,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:57,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:57,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18747614] [2024-10-31 22:18:57,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:57,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:57,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:57,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:57,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:57,373 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-10-31 22:18:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:57,965 INFO L93 Difference]: Finished difference Result 268 states and 329 transitions. [2024-10-31 22:18:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:18:57,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2024-10-31 22:18:57,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:57,968 INFO L225 Difference]: With dead ends: 268 [2024-10-31 22:18:57,968 INFO L226 Difference]: Without dead ends: 264 [2024-10-31 22:18:57,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:18:57,969 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 254 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:57,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 142 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:18:57,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-31 22:18:57,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2024-10-31 22:18:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 159 states have (on average 1.5345911949685536) internal successors, (244), 205 states have internal predecessors, (244), 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) [2024-10-31 22:18:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2024-10-31 22:18:57,980 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 25 [2024-10-31 22:18:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:57,980 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2024-10-31 22:18:57,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-10-31 22:18:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2024-10-31 22:18:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-31 22:18:57,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:57,981 INFO L215 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] [2024-10-31 22:18:58,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-31 22:18:58,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 22:18:58,185 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:58,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:58,186 INFO L85 PathProgramCache]: Analyzing trace with hash -556021347, now seen corresponding path program 1 times [2024-10-31 22:18:58,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:58,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685671518] [2024-10-31 22:18:58,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:58,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:18:58,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069826758] [2024-10-31 22:18:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:18:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:58,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:18:58,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-31 22:18:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:58,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:18:58,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:58,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:18:58,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:58,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685671518] [2024-10-31 22:18:58,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:18:58,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069826758] [2024-10-31 22:18:58,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069826758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:58,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:58,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:18:58,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054692810] [2024-10-31 22:18:58,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:58,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:18:58,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:58,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:18:58,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:18:58,568 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-10-31 22:18:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:59,215 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2024-10-31 22:18:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:18:59,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 26 [2024-10-31 22:18:59,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:59,219 INFO L225 Difference]: With dead ends: 266 [2024-10-31 22:18:59,219 INFO L226 Difference]: Without dead ends: 262 [2024-10-31 22:18:59,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:18:59,221 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 253 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:59,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 142 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:18:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-31 22:18:59,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 209. [2024-10-31 22:18:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 160 states have (on average 1.5125) internal successors, (242), 204 states have internal predecessors, (242), 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) [2024-10-31 22:18:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 248 transitions. [2024-10-31 22:18:59,232 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 248 transitions. Word has length 26 [2024-10-31 22:18:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:59,232 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 248 transitions. [2024-10-31 22:18:59,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-10-31 22:18:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 248 transitions. [2024-10-31 22:18:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-31 22:18:59,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:59,234 INFO L215 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] [2024-10-31 22:18:59,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:59,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:18:59,435 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:59,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:59,435 INFO L85 PathProgramCache]: Analyzing trace with hash -56792485, now seen corresponding path program 1 times [2024-10-31 22:18:59,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:59,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271301298] [2024-10-31 22:18:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:59,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:59,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271301298] [2024-10-31 22:18:59,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271301298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:59,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:59,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:59,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917675247] [2024-10-31 22:18:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:59,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:59,509 INFO L87 Difference]: Start difference. First operand 209 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-31 22:18:59,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:59,838 INFO L93 Difference]: Finished difference Result 234 states and 279 transitions. [2024-10-31 22:18:59,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:18:59,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2024-10-31 22:18:59,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:18:59,840 INFO L225 Difference]: With dead ends: 234 [2024-10-31 22:18:59,840 INFO L226 Difference]: Without dead ends: 232 [2024-10-31 22:18:59,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:18:59,841 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:18:59,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:18:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-31 22:18:59,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2024-10-31 22:18:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 161 states have (on average 1.5031055900621118) internal successors, (242), 205 states have internal predecessors, (242), 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) [2024-10-31 22:18:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 248 transitions. [2024-10-31 22:18:59,853 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 248 transitions. Word has length 27 [2024-10-31 22:18:59,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:18:59,853 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 248 transitions. [2024-10-31 22:18:59,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-31 22:18:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 248 transitions. [2024-10-31 22:18:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:18:59,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:18:59,855 INFO L215 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] [2024-10-31 22:18:59,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:18:59,855 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:18:59,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:59,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1760566945, now seen corresponding path program 1 times [2024-10-31 22:18:59,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:59,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95940943] [2024-10-31 22:18:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:59,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:18:59,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95940943] [2024-10-31 22:18:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95940943] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:59,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:59,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:18:59,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310230794] [2024-10-31 22:18:59,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:59,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:18:59,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:59,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:18:59,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:18:59,942 INFO L87 Difference]: Start difference. First operand 210 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-31 22:19:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:00,475 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2024-10-31 22:19:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2024-10-31 22:19:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:00,477 INFO L225 Difference]: With dead ends: 228 [2024-10-31 22:19:00,477 INFO L226 Difference]: Without dead ends: 226 [2024-10-31 22:19:00,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:00,479 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:00,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:19:00,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-31 22:19:00,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2024-10-31 22:19:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 162 states have (on average 1.4938271604938271) internal successors, (242), 206 states have internal predecessors, (242), 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) [2024-10-31 22:19:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2024-10-31 22:19:00,491 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2024-10-31 22:19:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:00,491 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2024-10-31 22:19:00,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-31 22:19:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2024-10-31 22:19:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-31 22:19:00,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:00,493 INFO L215 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] [2024-10-31 22:19:00,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:19:00,493 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:00,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:00,494 INFO L85 PathProgramCache]: Analyzing trace with hash 494361908, now seen corresponding path program 1 times [2024-10-31 22:19:00,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:00,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881192664] [2024-10-31 22:19:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:00,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:00,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:00,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:00,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881192664] [2024-10-31 22:19:00,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881192664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:00,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:00,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:00,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235072481] [2024-10-31 22:19:00,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:00,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:00,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:00,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:00,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:00,596 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-31 22:19:00,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:00,890 INFO L93 Difference]: Finished difference Result 227 states and 269 transitions. [2024-10-31 22:19:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:00,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 38 [2024-10-31 22:19:00,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:00,892 INFO L225 Difference]: With dead ends: 227 [2024-10-31 22:19:00,893 INFO L226 Difference]: Without dead ends: 226 [2024-10-31 22:19:00,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:00,894 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 171 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:00,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 111 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:19:00,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-31 22:19:00,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2024-10-31 22:19:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 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) [2024-10-31 22:19:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2024-10-31 22:19:00,907 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 38 [2024-10-31 22:19:00,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:00,909 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2024-10-31 22:19:00,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-10-31 22:19:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2024-10-31 22:19:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 22:19:00,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:00,911 INFO L215 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] [2024-10-31 22:19:00,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:19:00,911 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:00,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1854649929, now seen corresponding path program 1 times [2024-10-31 22:19:00,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:00,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078481659] [2024-10-31 22:19:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:00,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:00,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:00,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078481659] [2024-10-31 22:19:00,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078481659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:00,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:00,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:00,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033741798] [2024-10-31 22:19:00,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:00,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:00,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:00,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:00,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:00,995 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-31 22:19:01,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:01,141 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2024-10-31 22:19:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:01,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 39 [2024-10-31 22:19:01,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:01,143 INFO L225 Difference]: With dead ends: 215 [2024-10-31 22:19:01,144 INFO L226 Difference]: Without dead ends: 214 [2024-10-31 22:19:01,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:01,145 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 67 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:01,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 141 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-31 22:19:01,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-10-31 22:19:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 209 states have internal predecessors, (245), 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) [2024-10-31 22:19:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 251 transitions. [2024-10-31 22:19:01,157 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 251 transitions. Word has length 39 [2024-10-31 22:19:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:01,158 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 251 transitions. [2024-10-31 22:19:01,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-31 22:19:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 251 transitions. [2024-10-31 22:19:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 22:19:01,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:01,159 INFO L215 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] [2024-10-31 22:19:01,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:19:01,159 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:01,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1363738282, now seen corresponding path program 1 times [2024-10-31 22:19:01,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366806768] [2024-10-31 22:19:01,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:01,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:01,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366806768] [2024-10-31 22:19:01,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366806768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:01,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:01,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:01,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833863583] [2024-10-31 22:19:01,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:01,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:01,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:01,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:01,251 INFO L87 Difference]: Start difference. First operand 214 states and 251 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) [2024-10-31 22:19:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:01,578 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2024-10-31 22:19:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:01,579 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 [2024-10-31 22:19:01,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:01,580 INFO L225 Difference]: With dead ends: 214 [2024-10-31 22:19:01,580 INFO L226 Difference]: Without dead ends: 213 [2024-10-31 22:19:01,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:01,581 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 62 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:01,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 113 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:19:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-10-31 22:19:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-10-31 22:19:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 166 states have (on average 1.4698795180722892) internal successors, (244), 208 states have internal predecessors, (244), 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) [2024-10-31 22:19:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 250 transitions. [2024-10-31 22:19:01,593 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 250 transitions. Word has length 40 [2024-10-31 22:19:01,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:01,594 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 250 transitions. [2024-10-31 22:19:01,594 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) [2024-10-31 22:19:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 250 transitions. [2024-10-31 22:19:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:19:01,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:01,595 INFO L215 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] [2024-10-31 22:19:01,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:19:01,596 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:01,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,596 INFO L85 PathProgramCache]: Analyzing trace with hash 92850137, now seen corresponding path program 1 times [2024-10-31 22:19:01,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918173612] [2024-10-31 22:19:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:01,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:01,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918173612] [2024-10-31 22:19:01,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918173612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:01,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:01,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:01,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115219537] [2024-10-31 22:19:01,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:01,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:01,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:01,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:01,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:01,680 INFO L87 Difference]: Start difference. First operand 213 states and 250 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-31 22:19:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:01,741 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions. [2024-10-31 22:19:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:01,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 41 [2024-10-31 22:19:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:01,743 INFO L225 Difference]: With dead ends: 233 [2024-10-31 22:19:01,743 INFO L226 Difference]: Without dead ends: 231 [2024-10-31 22:19:01,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:01,744 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:01,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:01,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-31 22:19:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-10-31 22:19:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.4475138121546962) internal successors, (262), 223 states have internal predecessors, (262), 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) [2024-10-31 22:19:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2024-10-31 22:19:01,756 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 41 [2024-10-31 22:19:01,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:01,757 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2024-10-31 22:19:01,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-31 22:19:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2024-10-31 22:19:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:19:01,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:01,758 INFO L215 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] [2024-10-31 22:19:01,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:19:01,758 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:01,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash 673786339, now seen corresponding path program 1 times [2024-10-31 22:19:01,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:01,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090046496] [2024-10-31 22:19:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090046496] [2024-10-31 22:19:01,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090046496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:01,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:01,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:19:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564942707] [2024-10-31 22:19:01,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:01,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:01,897 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-31 22:19:02,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:02,223 INFO L93 Difference]: Finished difference Result 229 states and 268 transitions. [2024-10-31 22:19:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:02,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 41 [2024-10-31 22:19:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:02,225 INFO L225 Difference]: With dead ends: 229 [2024-10-31 22:19:02,225 INFO L226 Difference]: Without dead ends: 228 [2024-10-31 22:19:02,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:02,226 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 150 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:02,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 161 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:19:02,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-31 22:19:02,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-31 22:19:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.441988950276243) internal successors, (261), 223 states have internal predecessors, (261), 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) [2024-10-31 22:19:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 267 transitions. [2024-10-31 22:19:02,237 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 267 transitions. Word has length 41 [2024-10-31 22:19:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:02,238 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 267 transitions. [2024-10-31 22:19:02,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-10-31 22:19:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 267 transitions. [2024-10-31 22:19:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-31 22:19:02,239 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:02,239 INFO L215 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] [2024-10-31 22:19:02,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 22:19:02,239 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:02,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,240 INFO L85 PathProgramCache]: Analyzing trace with hash -587459848, now seen corresponding path program 1 times [2024-10-31 22:19:02,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963215198] [2024-10-31 22:19:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963215198] [2024-10-31 22:19:02,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963215198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:02,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:02,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:02,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545298050] [2024-10-31 22:19:02,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:02,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:02,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:02,310 INFO L87 Difference]: Start difference. First operand 228 states and 267 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-10-31 22:19:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:02,374 INFO L93 Difference]: Finished difference Result 269 states and 281 transitions. [2024-10-31 22:19:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:02,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 42 [2024-10-31 22:19:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:02,376 INFO L225 Difference]: With dead ends: 269 [2024-10-31 22:19:02,376 INFO L226 Difference]: Without dead ends: 267 [2024-10-31 22:19:02,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:02,377 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 61 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:02,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 304 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:02,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-10-31 22:19:02,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 236. [2024-10-31 22:19:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 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) [2024-10-31 22:19:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2024-10-31 22:19:02,388 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 42 [2024-10-31 22:19:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:02,388 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2024-10-31 22:19:02,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-10-31 22:19:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2024-10-31 22:19:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-31 22:19:02,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:02,390 INFO L215 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] [2024-10-31 22:19:02,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-31 22:19:02,390 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:02,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,390 INFO L85 PathProgramCache]: Analyzing trace with hash 33255109, now seen corresponding path program 1 times [2024-10-31 22:19:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068905686] [2024-10-31 22:19:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:02,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068905686] [2024-10-31 22:19:02,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068905686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:02,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822849748] [2024-10-31 22:19:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:02,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:02,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:02,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-31 22:19:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:02,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:19:02,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:02,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822849748] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:02,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:02,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-10-31 22:19:02,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353803098] [2024-10-31 22:19:02,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:02,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:19:02,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:02,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:19:02,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:02,761 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-10-31 22:19:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:02,926 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2024-10-31 22:19:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:19:02,927 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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 45 [2024-10-31 22:19:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:02,930 INFO L225 Difference]: With dead ends: 651 [2024-10-31 22:19:02,930 INFO L226 Difference]: Without dead ends: 588 [2024-10-31 22:19:02,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:19:02,932 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 343 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:02,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 732 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-10-31 22:19:02,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2024-10-31 22:19:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2024-10-31 22:19:02,961 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2024-10-31 22:19:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:02,961 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2024-10-31 22:19:02,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-10-31 22:19:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2024-10-31 22:19:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 22:19:02,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:02,963 INFO L215 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] [2024-10-31 22:19:02,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-31 22:19:03,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-31 22:19:03,163 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:03,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:03,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1893390407, now seen corresponding path program 1 times [2024-10-31 22:19:03,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:03,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276726952] [2024-10-31 22:19:03,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:03,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181281654] [2024-10-31 22:19:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:03,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:03,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:03,185 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:03,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-31 22:19:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:03,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:19:03,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:03,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:04,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:04,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276726952] [2024-10-31 22:19:04,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:04,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181281654] [2024-10-31 22:19:04,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181281654] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:04,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:19:04,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-31 22:19:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694990127] [2024-10-31 22:19:04,289 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:04,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:19:04,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:19:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:04,291 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-10-31 22:19:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:09,465 INFO L93 Difference]: Finished difference Result 442 states and 563 transitions. [2024-10-31 22:19:09,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:19:09,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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 47 [2024-10-31 22:19:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:09,468 INFO L225 Difference]: With dead ends: 442 [2024-10-31 22:19:09,468 INFO L226 Difference]: Without dead ends: 440 [2024-10-31 22:19:09,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:09,469 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 328 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:09,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 437 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-10-31 22:19:09,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-10-31 22:19:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 420. [2024-10-31 22:19:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 366 states have (on average 1.4453551912568305) internal successors, (529), 408 states have internal predecessors, (529), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 543 transitions. [2024-10-31 22:19:09,495 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 543 transitions. Word has length 47 [2024-10-31 22:19:09,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:09,496 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 543 transitions. [2024-10-31 22:19:09,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-10-31 22:19:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 543 transitions. [2024-10-31 22:19:09,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:19:09,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:09,497 INFO L215 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] [2024-10-31 22:19:09,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-31 22:19:09,698 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:09,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1434439469, now seen corresponding path program 1 times [2024-10-31 22:19:09,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:09,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099545784] [2024-10-31 22:19:09,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:09,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950190728] [2024-10-31 22:19:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:09,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,718 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-31 22:19:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:19:09,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:09,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:11,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099545784] [2024-10-31 22:19:11,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:11,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950190728] [2024-10-31 22:19:11,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950190728] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:11,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:19:11,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-31 22:19:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015484704] [2024-10-31 22:19:11,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:11,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:19:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:19:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:11,089 INFO L87 Difference]: Start difference. First operand 420 states and 543 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 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) [2024-10-31 22:19:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:14,836 INFO L93 Difference]: Finished difference Result 444 states and 559 transitions. [2024-10-31 22:19:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:19:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 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 48 [2024-10-31 22:19:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:14,839 INFO L225 Difference]: With dead ends: 444 [2024-10-31 22:19:14,839 INFO L226 Difference]: Without dead ends: 442 [2024-10-31 22:19:14,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:14,841 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 271 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:14,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 305 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-31 22:19:14,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-31 22:19:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 422. [2024-10-31 22:19:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 368 states have (on average 1.4320652173913044) internal successors, (527), 410 states have internal predecessors, (527), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 541 transitions. [2024-10-31 22:19:14,868 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 541 transitions. Word has length 48 [2024-10-31 22:19:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:14,868 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 541 transitions. [2024-10-31 22:19:14,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 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) [2024-10-31 22:19:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 541 transitions. [2024-10-31 22:19:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-31 22:19:14,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:14,870 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:14,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-31 22:19:15,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-31 22:19:15,074 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-31 22:19:15,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1538433867, now seen corresponding path program 1 times [2024-10-31 22:19:15,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:15,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011577404] [2024-10-31 22:19:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:15,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441724259] [2024-10-31 22:19:15,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:15,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:15,098 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:15,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ce15c8-a7e2-48ce-924f-be199b84d22e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-31 22:19:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:15,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:19:15,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:15,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:15,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011577404] [2024-10-31 22:19:15,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441724259] [2024-10-31 22:19:15,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441724259] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:15,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:19:15,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-31 22:19:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973055990] [2024-10-31 22:19:15,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:15,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:19:15,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:19:15,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:19:15,894 INFO L87 Difference]: Start difference. First operand 422 states and 541 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 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)