./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/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_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/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_5c01d3b3-ad93-4dfa-be11-264f31a138dd/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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:28,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:28,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:19:28,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:28,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:28,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:28,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:28,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:28,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:28,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:28,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:28,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:28,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:28,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:28,546 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:28,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:28,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:28,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:28,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:28,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:28,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:28,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:28,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:28,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:28,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:28,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:19:28,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:19:28,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:28,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:28,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:28,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:28,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:28,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:28,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:28,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:28,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:28,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:28,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:28,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:28,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:28,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:28,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:28,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:28,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:28,561 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_5c01d3b3-ad93-4dfa-be11-264f31a138dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2024-10-31 22:19:28,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:28,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:28,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:28,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:28,934 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:28,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c Unable to find full path for "g++" [2024-10-31 22:19:31,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:31,307 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:31,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2024-10-31 22:19:31,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/data/0ba152458/00862553ff604dd480cec36532bc6e19/FLAG3bc5ab4de [2024-10-31 22:19:31,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/data/0ba152458/00862553ff604dd480cec36532bc6e19 [2024-10-31 22:19:31,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:31,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:31,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:31,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:31,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:31,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d395e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31, skipping insertion in model container [2024-10-31 22:19:31,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:31,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:31,634 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:31,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:31,679 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:31,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31 WrapperNode [2024-10-31 22:19:31,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:31,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:31,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:31,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:31,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,728 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-10-31 22:19:31,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:31,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:31,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:31,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:31,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,749 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,770 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 22:19:31,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:31,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:31,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:31,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:31,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (1/1) ... [2024-10-31 22:19:31,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:31,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:31,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:31,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:19:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:19:31,942 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:31,945 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:32,665 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:32,667 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:32,695 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:32,698 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:19:32,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:32 BoogieIcfgContainer [2024-10-31 22:19:32,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:32,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:32,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:32,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:32,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:31" (1/3) ... [2024-10-31 22:19:32,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a304ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:32, skipping insertion in model container [2024-10-31 22:19:32,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:31" (2/3) ... [2024-10-31 22:19:32,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a304ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:32, skipping insertion in model container [2024-10-31 22:19:32,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:32" (3/3) ... [2024-10-31 22:19:32,713 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2024-10-31 22:19:32,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:32,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-10-31 22:19:32,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:32,841 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;@7d4b168e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:32,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-10-31 22:19:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 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 22:19:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:19:32,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:32,857 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:19:32,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:32,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-10-31 22:19:32,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:32,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278629617] [2024-10-31 22:19:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:32,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,059 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 22:19:33,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:33,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278629617] [2024-10-31 22:19:33,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278629617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:33,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:33,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:33,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231285451] [2024-10-31 22:19:33,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:33,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:19:33,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:33,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:19:33,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:19:33,108 INFO L87 Difference]: Start difference. First operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 22:19:33,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:33,159 INFO L93 Difference]: Finished difference Result 367 states and 394 transitions. [2024-10-31 22:19:33,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:19:33,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 22:19:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:33,172 INFO L225 Difference]: With dead ends: 367 [2024-10-31 22:19:33,172 INFO L226 Difference]: Without dead ends: 172 [2024-10-31 22:19:33,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:19:33,180 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:33,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-31 22:19:33,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-10-31 22:19:33,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 96 states have (on average 1.7708333333333333) internal successors, (170), 168 states have internal predecessors, (170), 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 22:19:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-10-31 22:19:33,241 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 6 [2024-10-31 22:19:33,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:33,246 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-10-31 22:19:33,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 22:19:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-10-31 22:19:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:19:33,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:33,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:19:33,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:19:33,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:33,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:33,250 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-10-31 22:19:33,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:33,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932724660] [2024-10-31 22:19:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,403 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 22:19:33,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:33,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932724660] [2024-10-31 22:19:33,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932724660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:33,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:33,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:33,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087921568] [2024-10-31 22:19:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:33,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:33,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:33,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:33,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:33,409 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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 22:19:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:33,497 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2024-10-31 22:19:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:33,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 22:19:33,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:33,500 INFO L225 Difference]: With dead ends: 172 [2024-10-31 22:19:33,501 INFO L226 Difference]: Without dead ends: 171 [2024-10-31 22:19:33,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:33,503 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 333 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 22:19:33,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-31 22:19:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-31 22:19:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 167 states have internal predecessors, (169), 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 22:19:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-10-31 22:19:33,518 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 6 [2024-10-31 22:19:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:33,519 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-10-31 22:19:33,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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 22:19:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-10-31 22:19:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:19:33,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:33,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:33,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:19:33,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:33,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:33,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-10-31 22:19:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:33,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977159117] [2024-10-31 22:19:33,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,606 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 22:19:33,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:33,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977159117] [2024-10-31 22:19:33,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977159117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:33,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:33,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:33,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875800614] [2024-10-31 22:19:33,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:33,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:33,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:33,610 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:33,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:33,674 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2024-10-31 22:19:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:33,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:19:33,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:33,677 INFO L225 Difference]: With dead ends: 251 [2024-10-31 22:19:33,677 INFO L226 Difference]: Without dead ends: 175 [2024-10-31 22:19:33,678 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 22:19:33,681 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 501 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 22:19:33,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:33,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-31 22:19:33,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-31 22:19:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 100 states have (on average 1.73) internal successors, (173), 171 states have internal predecessors, (173), 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 22:19:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-10-31 22:19:33,712 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 7 [2024-10-31 22:19:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:33,716 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-10-31 22:19:33,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-10-31 22:19:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:19:33,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:33,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:33,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:19:33,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:33,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:33,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-10-31 22:19:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:33,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254731067] [2024-10-31 22:19:33,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:33,782 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 22:19:33,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:33,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254731067] [2024-10-31 22:19:33,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254731067] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:33,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:33,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:33,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786698292] [2024-10-31 22:19:33,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:33,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:33,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:33,785 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.5) 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 22:19:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:34,258 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-10-31 22:19:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:34,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) 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 22:19:34,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:34,260 INFO L225 Difference]: With dead ends: 311 [2024-10-31 22:19:34,261 INFO L226 Difference]: Without dead ends: 255 [2024-10-31 22:19:34,261 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 22:19:34,263 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:34,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:19:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-31 22:19:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-10-31 22:19:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 244 states have internal predecessors, (260), 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 22:19:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-10-31 22:19:34,280 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 9 [2024-10-31 22:19:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:34,280 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-10-31 22:19:34,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) 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 22:19:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-10-31 22:19:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-31 22:19:34,282 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:34,282 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] [2024-10-31 22:19:34,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:19:34,283 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:34,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:34,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1018296696, now seen corresponding path program 1 times [2024-10-31 22:19:34,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:34,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082193892] [2024-10-31 22:19:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:34,453 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 22:19:34,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:34,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082193892] [2024-10-31 22:19:34,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082193892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:34,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:34,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:34,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536383136] [2024-10-31 22:19:34,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:34,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:34,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:34,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:34,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:34,455 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 22:19:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:34,567 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-10-31 22:19:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:34,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2024-10-31 22:19:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:34,569 INFO L225 Difference]: With dead ends: 268 [2024-10-31 22:19:34,569 INFO L226 Difference]: Without dead ends: 263 [2024-10-31 22:19:34,570 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 22:19:34,575 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:34,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:34,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-31 22:19:34,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-10-31 22:19:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 251 states have internal predecessors, (267), 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 22:19:34,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-10-31 22:19:34,607 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 37 [2024-10-31 22:19:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:34,608 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-10-31 22:19:34,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 22:19:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-10-31 22:19:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 22:19:34,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:34,613 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 22:19:34,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:19:34,613 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:34,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash 669422250, now seen corresponding path program 1 times [2024-10-31 22:19:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:34,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334621019] [2024-10-31 22:19:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:34,892 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 22:19:34,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:34,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334621019] [2024-10-31 22:19:34,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334621019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:34,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:34,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:34,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958767880] [2024-10-31 22:19:34,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:34,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:34,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:34,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:34,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:34,897 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 22:19:39,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-31 22:19:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:39,168 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-10-31 22:19:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:39,168 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), 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 39 [2024-10-31 22:19:39,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:39,170 INFO L225 Difference]: With dead ends: 267 [2024-10-31 22:19:39,170 INFO L226 Difference]: Without dead ends: 262 [2024-10-31 22:19:39,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:39,172 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:39,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-31 22:19:39,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-31 22:19:39,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-10-31 22:19:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 251 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 22:19:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-10-31 22:19:39,192 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 39 [2024-10-31 22:19:39,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:39,193 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-10-31 22:19:39,193 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), 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 22:19:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-10-31 22:19:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 22:19:39,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:39,194 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 22:19:39,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:19:39,194 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:39,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash -722746613, now seen corresponding path program 1 times [2024-10-31 22:19:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737868779] [2024-10-31 22:19:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:39,321 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 22:19:39,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:39,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737868779] [2024-10-31 22:19:39,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737868779] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:39,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:39,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:39,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794962492] [2024-10-31 22:19:39,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:39,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:39,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:39,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:39,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:39,326 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 22:19:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:40,067 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-10-31 22:19:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:40,068 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), 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 40 [2024-10-31 22:19:40,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:40,069 INFO L225 Difference]: With dead ends: 266 [2024-10-31 22:19:40,069 INFO L226 Difference]: Without dead ends: 228 [2024-10-31 22:19:40,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:40,071 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:40,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:19:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-31 22:19:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-10-31 22:19:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5342465753424657) internal successors, (224), 217 states have internal predecessors, (224), 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 22:19:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-10-31 22:19:40,080 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 40 [2024-10-31 22:19:40,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:40,081 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-10-31 22:19:40,081 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), 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 22:19:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-10-31 22:19:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-31 22:19:40,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:40,082 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:40,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:19:40,083 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:40,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:40,083 INFO L85 PathProgramCache]: Analyzing trace with hash 257982969, now seen corresponding path program 1 times [2024-10-31 22:19:40,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:40,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783536518] [2024-10-31 22:19:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:40,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,159 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 22:19:40,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:40,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783536518] [2024-10-31 22:19:40,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783536518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:40,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:40,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:40,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937599504] [2024-10-31 22:19:40,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:40,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:40,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:40,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:40,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:40,165 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:19:40,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:40,188 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-10-31 22:19:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:40,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-10-31 22:19:40,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:40,190 INFO L225 Difference]: With dead ends: 224 [2024-10-31 22:19:40,190 INFO L226 Difference]: Without dead ends: 222 [2024-10-31 22:19:40,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 22:19:40,191 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 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 22:19:40,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:40,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-31 22:19:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-10-31 22:19:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5205479452054795) internal successors, (222), 217 states have internal predecessors, (222), 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 22:19:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-10-31 22:19:40,202 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 49 [2024-10-31 22:19:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:40,203 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-10-31 22:19:40,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:19:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-10-31 22:19:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-31 22:19:40,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:40,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:40,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:19:40,205 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:40,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1579375086, now seen corresponding path program 1 times [2024-10-31 22:19:40,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:40,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724613421] [2024-10-31 22:19:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:40,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:40,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157708021] [2024-10-31 22:19:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:40,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:40,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:40,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:40,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:19:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:40,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:19:40,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:40,487 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 22:19:40,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:40,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:40,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724613421] [2024-10-31 22:19:40,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:40,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157708021] [2024-10-31 22:19:40,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157708021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:40,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:40,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:40,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163778369] [2024-10-31 22:19:40,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:40,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:40,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:40,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:40,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:40,493 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 22:19:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:41,108 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2024-10-31 22:19:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:41,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 54 [2024-10-31 22:19:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:41,110 INFO L225 Difference]: With dead ends: 365 [2024-10-31 22:19:41,110 INFO L226 Difference]: Without dead ends: 311 [2024-10-31 22:19:41,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 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 22:19:41,112 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:41,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:19:41,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-31 22:19:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-10-31 22:19:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.407079646017699) internal successors, (318), 297 states have internal predecessors, (318), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:19:41,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-10-31 22:19:41,125 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 54 [2024-10-31 22:19:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:41,126 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-10-31 22:19:41,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 22:19:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-10-31 22:19:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-31 22:19:41,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:41,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:41,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:41,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:41,329 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:41,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash 692470868, now seen corresponding path program 1 times [2024-10-31 22:19:41,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:41,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851435320] [2024-10-31 22:19:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:41,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:41,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:41,463 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 22:19:41,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:41,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851435320] [2024-10-31 22:19:41,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851435320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:41,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707108866] [2024-10-31 22:19:41,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:41,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:41,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:41,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:41,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:41,466 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 22:19:41,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:41,586 INFO L93 Difference]: Finished difference Result 305 states and 328 transitions. [2024-10-31 22:19:41,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:41,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 60 [2024-10-31 22:19:41,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:41,589 INFO L225 Difference]: With dead ends: 305 [2024-10-31 22:19:41,589 INFO L226 Difference]: Without dead ends: 304 [2024-10-31 22:19:41,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:41,590 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 42 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:41,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:41,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-31 22:19:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-31 22:19:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.4026548672566372) internal successors, (317), 297 states have internal predecessors, (317), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:19:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 327 transitions. [2024-10-31 22:19:41,606 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 327 transitions. Word has length 60 [2024-10-31 22:19:41,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:41,606 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 327 transitions. [2024-10-31 22:19:41,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 22:19:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 327 transitions. [2024-10-31 22:19:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 22:19:41,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:41,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:41,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:19:41,608 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:41,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:41,609 INFO L85 PathProgramCache]: Analyzing trace with hash 671749658, now seen corresponding path program 1 times [2024-10-31 22:19:41,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:41,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612258389] [2024-10-31 22:19:41,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:41,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:41,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:41,760 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 22:19:41,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:41,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612258389] [2024-10-31 22:19:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612258389] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:41,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149865380] [2024-10-31 22:19:41,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:41,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:41,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:41,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:41,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:19:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:41,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:19:41,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:41,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149865380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:41,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:41,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-31 22:19:41,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548404770] [2024-10-31 22:19:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:41,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:41,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:41,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:41,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:41,973 INFO L87 Difference]: Start difference. First operand 304 states and 327 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 22:19:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:42,038 INFO L93 Difference]: Finished difference Result 416 states and 446 transitions. [2024-10-31 22:19:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 63 [2024-10-31 22:19:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:42,040 INFO L225 Difference]: With dead ends: 416 [2024-10-31 22:19:42,041 INFO L226 Difference]: Without dead ends: 415 [2024-10-31 22:19:42,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:19:42,042 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 118 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:42,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:42,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-10-31 22:19:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 377. [2024-10-31 22:19:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.4175084175084176) internal successors, (421), 369 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2024-10-31 22:19:42,057 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 63 [2024-10-31 22:19:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:42,057 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2024-10-31 22:19:42,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 22:19:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2024-10-31 22:19:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:19:42,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:42,059 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:42,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:42,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:42,263 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:42,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:42,264 INFO L85 PathProgramCache]: Analyzing trace with hash 608761983, now seen corresponding path program 1 times [2024-10-31 22:19:42,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:42,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438900405] [2024-10-31 22:19:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:42,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:42,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438900405] [2024-10-31 22:19:42,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438900405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006792291] [2024-10-31 22:19:42,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:42,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:42,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:19:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:42,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:19:42,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:42,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:42,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006792291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:42,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:42,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-10-31 22:19:42,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440972066] [2024-10-31 22:19:42,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:42,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:19:42,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:42,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:19:42,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:19:42,780 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:19:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:42,845 INFO L93 Difference]: Finished difference Result 395 states and 444 transitions. [2024-10-31 22:19:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:19:42,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-10-31 22:19:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:42,848 INFO L225 Difference]: With dead ends: 395 [2024-10-31 22:19:42,849 INFO L226 Difference]: Without dead ends: 346 [2024-10-31 22:19:42,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 183 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:42,850 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 5 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:42,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 827 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:42,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-10-31 22:19:42,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-10-31 22:19:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.4398496240601504) internal successors, (383), 337 states have internal predecessors, (383), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 395 transitions. [2024-10-31 22:19:42,864 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 395 transitions. Word has length 93 [2024-10-31 22:19:42,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:42,864 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 395 transitions. [2024-10-31 22:19:42,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:19:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 395 transitions. [2024-10-31 22:19:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:19:42,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:42,866 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 22:19:42,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:43,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:43,067 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:43,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash -695193576, now seen corresponding path program 1 times [2024-10-31 22:19:43,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:43,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200532338] [2024-10-31 22:19:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:43,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296477157] [2024-10-31 22:19:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:43,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:43,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:43,093 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:43,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:19:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:43,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:43,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-31 22:19:43,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:43,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:43,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200532338] [2024-10-31 22:19:43,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:43,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296477157] [2024-10-31 22:19:43,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296477157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:43,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:43,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:43,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89612628] [2024-10-31 22:19:43,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:43,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:19:43,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:43,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:43,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:43,344 INFO L87 Difference]: Start difference. First operand 346 states and 395 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 22:19:43,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:43,410 INFO L93 Difference]: Finished difference Result 346 states and 395 transitions. [2024-10-31 22:19:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 93 [2024-10-31 22:19:43,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:43,412 INFO L225 Difference]: With dead ends: 346 [2024-10-31 22:19:43,413 INFO L226 Difference]: Without dead ends: 343 [2024-10-31 22:19:43,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 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 22:19:43,413 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:43,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-31 22:19:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-10-31 22:19:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 266 states have (on average 1.4172932330827068) internal successors, (377), 334 states have internal predecessors, (377), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 389 transitions. [2024-10-31 22:19:43,426 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 389 transitions. Word has length 93 [2024-10-31 22:19:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:43,426 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 389 transitions. [2024-10-31 22:19:43,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 22:19:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 389 transitions. [2024-10-31 22:19:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-31 22:19:43,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:43,428 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 22:19:43,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:19:43,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:43,629 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:43,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:43,630 INFO L85 PathProgramCache]: Analyzing trace with hash -76164263, now seen corresponding path program 1 times [2024-10-31 22:19:43,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861831064] [2024-10-31 22:19:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:43,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271637451] [2024-10-31 22:19:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:43,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:43,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:19:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:43,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:19:43,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:44,096 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:44,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:44,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861831064] [2024-10-31 22:19:44,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:44,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271637451] [2024-10-31 22:19:44,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271637451] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:44,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:19:44,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-31 22:19:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715292059] [2024-10-31 22:19:44,396 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:44,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:19:44,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:44,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:19:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:44,397 INFO L87 Difference]: Start difference. First operand 343 states and 389 transitions. Second operand has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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 22:19:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:45,582 INFO L93 Difference]: Finished difference Result 472 states and 515 transitions. [2024-10-31 22:19:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:19:45,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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 94 [2024-10-31 22:19:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:45,585 INFO L225 Difference]: With dead ends: 472 [2024-10-31 22:19:45,586 INFO L226 Difference]: Without dead ends: 465 [2024-10-31 22:19:45,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:45,587 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 325 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:45,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 354 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-31 22:19:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-10-31 22:19:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 415. [2024-10-31 22:19:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 338 states have (on average 1.4585798816568047) internal successors, (493), 406 states have internal predecessors, (493), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 505 transitions. [2024-10-31 22:19:45,604 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 505 transitions. Word has length 94 [2024-10-31 22:19:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:45,604 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 505 transitions. [2024-10-31 22:19:45,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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 22:19:45,605 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 505 transitions. [2024-10-31 22:19:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-31 22:19:45,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:45,605 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 22:19:45,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:19:45,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-31 22:19:45,806 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:45,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:45,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1933875258, now seen corresponding path program 1 times [2024-10-31 22:19:45,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:45,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322312405] [2024-10-31 22:19:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:45,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:45,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870998690] [2024-10-31 22:19:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:45,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:45,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:45,847 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:45,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:19:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:45,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:19:45,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:46,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:47,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:47,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322312405] [2024-10-31 22:19:47,602 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:47,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870998690] [2024-10-31 22:19:47,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870998690] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:47,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:47,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-31 22:19:47,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080472992] [2024-10-31 22:19:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:47,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:47,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:47,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:47,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:47,605 INFO L87 Difference]: Start difference. First operand 415 states and 505 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 22:19:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:49,417 INFO L93 Difference]: Finished difference Result 415 states and 505 transitions. [2024-10-31 22:19:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:49,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 95 [2024-10-31 22:19:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:49,420 INFO L225 Difference]: With dead ends: 415 [2024-10-31 22:19:49,420 INFO L226 Difference]: Without dead ends: 413 [2024-10-31 22:19:49,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:49,421 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:49,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 40 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-31 22:19:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-10-31 22:19:49,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-10-31 22:19:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 338 states have (on average 1.4437869822485208) internal successors, (488), 404 states have internal predecessors, (488), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 500 transitions. [2024-10-31 22:19:49,438 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 500 transitions. Word has length 95 [2024-10-31 22:19:49,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:49,438 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 500 transitions. [2024-10-31 22:19:49,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 22:19:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 500 transitions. [2024-10-31 22:19:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 22:19:49,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:49,439 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 22:19:49,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:49,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:19:49,644 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:49,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:49,644 INFO L85 PathProgramCache]: Analyzing trace with hash -179409029, now seen corresponding path program 1 times [2024-10-31 22:19:49,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:49,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036850304] [2024-10-31 22:19:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:49,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753133637] [2024-10-31 22:19:49,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:49,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:49,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:49,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:49,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:19:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:49,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:19:49,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:50,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036850304] [2024-10-31 22:19:50,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753133637] [2024-10-31 22:19:50,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753133637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:50,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:50,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:19:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122523617] [2024-10-31 22:19:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:50,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:50,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:50,045 INFO L87 Difference]: Start difference. First operand 413 states and 500 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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 22:19:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:50,593 INFO L93 Difference]: Finished difference Result 416 states and 500 transitions. [2024-10-31 22:19:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:19:50,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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 96 [2024-10-31 22:19:50,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:50,596 INFO L225 Difference]: With dead ends: 416 [2024-10-31 22:19:50,597 INFO L226 Difference]: Without dead ends: 396 [2024-10-31 22:19:50,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:50,598 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 178 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:50,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 51 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:19:50,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-10-31 22:19:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2024-10-31 22:19:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 338 states have (on average 1.3136094674556213) internal successors, (444), 387 states have internal predecessors, (444), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 456 transitions. [2024-10-31 22:19:50,618 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 456 transitions. Word has length 96 [2024-10-31 22:19:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:50,619 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 456 transitions. [2024-10-31 22:19:50,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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 22:19:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 456 transitions. [2024-10-31 22:19:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-31 22:19:50,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:50,620 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 22:19:50,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:19:50,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 22:19:50,821 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:50,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:50,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1266712484, now seen corresponding path program 1 times [2024-10-31 22:19:50,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:50,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960520291] [2024-10-31 22:19:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:50,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:50,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962597837] [2024-10-31 22:19:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:50,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:50,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:50,855 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:50,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:19:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:50,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:19:50,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:51,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-10-31 22:19:51,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:51,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960520291] [2024-10-31 22:19:51,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:51,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962597837] [2024-10-31 22:19:51,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962597837] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:51,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:51,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-31 22:19:51,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238682923] [2024-10-31 22:19:51,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:51,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:51,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:51,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:51,724 INFO L87 Difference]: Start difference. First operand 396 states and 456 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 22:19:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:54,106 INFO L93 Difference]: Finished difference Result 396 states and 456 transitions. [2024-10-31 22:19:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:54,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 97 [2024-10-31 22:19:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:54,110 INFO L225 Difference]: With dead ends: 396 [2024-10-31 22:19:54,110 INFO L226 Difference]: Without dead ends: 394 [2024-10-31 22:19:54,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:54,112 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:54,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-31 22:19:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-31 22:19:54,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-10-31 22:19:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 338 states have (on average 1.2988165680473374) internal successors, (439), 385 states have internal predecessors, (439), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 451 transitions. [2024-10-31 22:19:54,135 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 451 transitions. Word has length 97 [2024-10-31 22:19:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:54,136 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 451 transitions. [2024-10-31 22:19:54,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 22:19:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 451 transitions. [2024-10-31 22:19:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-31 22:19:54,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:54,137 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:54,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:19:54,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 22:19:54,343 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:54,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:54,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1969279881, now seen corresponding path program 1 times [2024-10-31 22:19:54,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:54,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930024683] [2024-10-31 22:19:54,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:54,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:54,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:19:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:54,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:54,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930024683] [2024-10-31 22:19:54,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930024683] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988976893] [2024-10-31 22:19:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:54,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:54,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:54,516 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:54,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 22:19:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:54,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:54,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:54,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:54,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988976893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:54,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:54,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:19:54,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287745094] [2024-10-31 22:19:54,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:54,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:54,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:19:54,802 INFO L87 Difference]: Start difference. First operand 394 states and 451 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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 22:19:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:54,848 INFO L93 Difference]: Finished difference Result 415 states and 457 transitions. [2024-10-31 22:19:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:54,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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 105 [2024-10-31 22:19:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:54,851 INFO L225 Difference]: With dead ends: 415 [2024-10-31 22:19:54,852 INFO L226 Difference]: Without dead ends: 414 [2024-10-31 22:19:54,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 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 22:19:54,853 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 167 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:54,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 319 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-31 22:19:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 393. [2024-10-31 22:19:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 338 states have (on average 1.2928994082840237) internal successors, (437), 384 states have internal predecessors, (437), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:19:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 449 transitions. [2024-10-31 22:19:54,878 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 449 transitions. Word has length 105 [2024-10-31 22:19:54,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:54,878 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 449 transitions. [2024-10-31 22:19:54,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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 22:19:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 449 transitions. [2024-10-31 22:19:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-31 22:19:54,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:54,880 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:54,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:55,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:19:55,085 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:55,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash 918134298, now seen corresponding path program 1 times [2024-10-31 22:19:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:55,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366969112] [2024-10-31 22:19:55,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:55,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:19:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:55,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:55,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366969112] [2024-10-31 22:19:55,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366969112] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:55,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177720850] [2024-10-31 22:19:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:55,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:55,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:55,201 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 22:19:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:55,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:55,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:55,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177720850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:55,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:55,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-31 22:19:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510145845] [2024-10-31 22:19:55,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:55,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:19:55,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:55,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:19:55,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:55,678 INFO L87 Difference]: Start difference. First operand 393 states and 449 transitions. Second operand has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:19:55,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:55,762 INFO L93 Difference]: Finished difference Result 584 states and 612 transitions. [2024-10-31 22:19:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:19:55,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 106 [2024-10-31 22:19:55,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:55,766 INFO L225 Difference]: With dead ends: 584 [2024-10-31 22:19:55,766 INFO L226 Difference]: Without dead ends: 583 [2024-10-31 22:19:55,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:55,767 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 243 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:55,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 671 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:19:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-10-31 22:19:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 453. [2024-10-31 22:19:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 396 states have (on average 1.3156565656565657) internal successors, (521), 442 states have internal predecessors, (521), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:19:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 537 transitions. [2024-10-31 22:19:55,793 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 537 transitions. Word has length 106 [2024-10-31 22:19:55,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:55,793 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 537 transitions. [2024-10-31 22:19:55,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:19:55,794 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 537 transitions. [2024-10-31 22:19:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-31 22:19:55,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:55,796 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:55,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:55,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:55,997 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:55,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash -760729613, now seen corresponding path program 1 times [2024-10-31 22:19:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:55,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891497584] [2024-10-31 22:19:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:55,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:19:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:19:56,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:56,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891497584] [2024-10-31 22:19:56,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891497584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:56,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:56,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002617243] [2024-10-31 22:19:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:56,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:56,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:56,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:56,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:56,105 INFO L87 Difference]: Start difference. First operand 453 states and 537 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 22:19:56,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:56,388 INFO L93 Difference]: Finished difference Result 453 states and 537 transitions. [2024-10-31 22:19:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:56,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 121 [2024-10-31 22:19:56,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:56,390 INFO L225 Difference]: With dead ends: 453 [2024-10-31 22:19:56,390 INFO L226 Difference]: Without dead ends: 446 [2024-10-31 22:19:56,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:56,391 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 132 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:56,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 34 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:19:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-31 22:19:56,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2024-10-31 22:19:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 396 states have (on average 1.2651515151515151) internal successors, (501), 435 states have internal predecessors, (501), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:19:56,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 517 transitions. [2024-10-31 22:19:56,413 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 517 transitions. Word has length 121 [2024-10-31 22:19:56,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:56,413 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 517 transitions. [2024-10-31 22:19:56,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 22:19:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 517 transitions. [2024-10-31 22:19:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-31 22:19:56,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:56,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:56,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:19:56,417 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:56,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash -2107781365, now seen corresponding path program 1 times [2024-10-31 22:19:56,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:56,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374706411] [2024-10-31 22:19:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:56,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:19:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:19:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-31 22:19:56,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:56,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374706411] [2024-10-31 22:19:56,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374706411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:56,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:56,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:56,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609849430] [2024-10-31 22:19:56,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:56,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:19:56,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:56,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:19:56,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:56,541 INFO L87 Difference]: Start difference. First operand 446 states and 517 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 22:19:56,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:56,778 INFO L93 Difference]: Finished difference Result 446 states and 517 transitions. [2024-10-31 22:19:56,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:19:56,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 122 [2024-10-31 22:19:56,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:56,781 INFO L225 Difference]: With dead ends: 446 [2024-10-31 22:19:56,782 INFO L226 Difference]: Without dead ends: 444 [2024-10-31 22:19:56,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:19:56,784 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:56,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:19:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-31 22:19:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2024-10-31 22:19:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 396 states have (on average 1.2525252525252526) internal successors, (496), 433 states have internal predecessors, (496), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-31 22:19:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 512 transitions. [2024-10-31 22:19:56,810 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 512 transitions. Word has length 122 [2024-10-31 22:19:56,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:56,811 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 512 transitions. [2024-10-31 22:19:56,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 22:19:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 512 transitions. [2024-10-31 22:19:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-31 22:19:56,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:56,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:56,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:19:56,813 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:56,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:56,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1646677069, now seen corresponding path program 1 times [2024-10-31 22:19:56,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:56,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059422983] [2024-10-31 22:19:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:56,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733921277] [2024-10-31 22:19:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:56,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:56,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:56,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-31 22:19:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:56,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:19:56,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:57,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:19:57,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059422983] [2024-10-31 22:19:57,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733921277] [2024-10-31 22:19:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733921277] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:57,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:19:57,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-31 22:19:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611665932] [2024-10-31 22:19:57,408 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:57,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:19:57,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:19:57,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:57,410 INFO L87 Difference]: Start difference. First operand 444 states and 512 transitions. Second operand has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-31 22:19:58,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:58,180 INFO L93 Difference]: Finished difference Result 512 states and 571 transitions. [2024-10-31 22:19:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:19:58,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 124 [2024-10-31 22:19:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:58,183 INFO L225 Difference]: With dead ends: 512 [2024-10-31 22:19:58,183 INFO L226 Difference]: Without dead ends: 480 [2024-10-31 22:19:58,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:58,184 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 457 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:58,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 162 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:19:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-10-31 22:19:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 428. [2024-10-31 22:19:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 385 states have (on average 1.1714285714285715) internal successors, (451), 418 states have internal predecessors, (451), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 465 transitions. [2024-10-31 22:19:58,210 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 465 transitions. Word has length 124 [2024-10-31 22:19:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:58,210 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 465 transitions. [2024-10-31 22:19:58,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-31 22:19:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 465 transitions. [2024-10-31 22:19:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-31 22:19:58,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:58,213 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:58,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-31 22:19:58,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-31 22:19:58,413 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:58,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1470987247, now seen corresponding path program 1 times [2024-10-31 22:19:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:58,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130286027] [2024-10-31 22:19:58,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001363481] [2024-10-31 22:19:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:58,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:58,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:58,454 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:58,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-31 22:19:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:58,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:19:58,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:19:59,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:59,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:59,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130286027] [2024-10-31 22:19:59,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:19:59,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001363481] [2024-10-31 22:19:59,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001363481] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:59,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:59,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-31 22:19:59,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396616884] [2024-10-31 22:19:59,383 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:59,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:19:59,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:59,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:19:59,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:59,385 INFO L87 Difference]: Start difference. First operand 428 states and 465 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:19:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:59,728 INFO L93 Difference]: Finished difference Result 430 states and 468 transitions. [2024-10-31 22:19:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:19:59,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 144 [2024-10-31 22:19:59,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:59,730 INFO L225 Difference]: With dead ends: 430 [2024-10-31 22:19:59,730 INFO L226 Difference]: Without dead ends: 416 [2024-10-31 22:19:59,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:19:59,731 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:19:59,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 59 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:19:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-31 22:19:59,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 411. [2024-10-31 22:19:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 382 states have (on average 1.1020942408376964) internal successors, (421), 401 states have internal predecessors, (421), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:19:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 435 transitions. [2024-10-31 22:19:59,752 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 435 transitions. Word has length 144 [2024-10-31 22:19:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:59,752 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 435 transitions. [2024-10-31 22:19:59,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:19:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 435 transitions. [2024-10-31 22:19:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-31 22:19:59,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:59,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:59,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:59,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-31 22:19:59,955 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-10-31 22:19:59,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:59,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1644035826, now seen corresponding path program 1 times [2024-10-31 22:19:59,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:59,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542638731] [2024-10-31 22:19:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:19:59,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485484630] [2024-10-31 22:19:59,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:59,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:59,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:59,985 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:59,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c01d3b3-ad93-4dfa-be11-264f31a138dd/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-31 22:20:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:20:00,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:20:00,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:20:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:20:00,574 INFO L311 TraceCheckSpWp]: Computing backward predicates...