/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/vnew2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-18 13:00:35,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 13:00:35,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 13:00:35,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-18 13:00:35,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 13:00:35,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 13:00:35,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 13:00:35,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 13:00:35,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 13:00:35,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 13:00:35,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 13:00:35,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 13:00:35,333 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 13:00:35,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 13:00:35,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 13:00:35,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 13:00:35,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 13:00:35,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-18 13:00:35,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 13:00:35,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 13:00:35,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 13:00:35,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-03-18 13:00:35,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 13:00:35,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 13:00:35,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-18 13:00:35,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-18 13:00:35,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 13:00:35,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 13:00:35,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 13:00:35,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 13:00:35,379 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 13:00:35,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 13:00:35,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 13:00:35,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 13:00:35,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 13:00:35,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 13:00:35,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-18 13:00:35,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-03-18 13:00:35,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 13:00:35,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 13:00:35,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 13:00:35,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 13:00:35,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 13:00:35,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 13:00:35,608 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 13:00:35,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/vnew2.c [2022-03-18 13:00:35,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44c5921f/809b1999f75e4496925425a0081add8c/FLAG397d71c8b [2022-03-18 13:00:35,987 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 13:00:35,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew2.c [2022-03-18 13:00:35,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44c5921f/809b1999f75e4496925425a0081add8c/FLAG397d71c8b [2022-03-18 13:00:36,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e44c5921f/809b1999f75e4496925425a0081add8c [2022-03-18 13:00:36,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 13:00:36,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-18 13:00:36,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 13:00:36,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 13:00:36,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 13:00:36,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c043125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36, skipping insertion in model container [2022-03-18 13:00:36,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 13:00:36,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 13:00:36,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew2.c[403,416] [2022-03-18 13:00:36,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 13:00:36,616 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 13:00:36,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew2.c[403,416] [2022-03-18 13:00:36,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 13:00:36,657 INFO L208 MainTranslator]: Completed translation [2022-03-18 13:00:36,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36 WrapperNode [2022-03-18 13:00:36,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 13:00:36,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 13:00:36,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 13:00:36,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 13:00:36,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 13:00:36,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 13:00:36,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 13:00:36,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 13:00:36,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (1/1) ... [2022-03-18 13:00:36,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 13:00:36,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 13:00:36,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-18 13:00:36,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-18 13:00:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 13:00:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 13:00:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 13:00:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-18 13:00:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-18 13:00:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 13:00:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 13:00:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 13:00:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 13:00:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 13:00:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 13:00:36,799 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 13:00:36,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 13:00:36,901 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 13:00:36,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 13:00:36,906 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-18 13:00:36,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:00:36 BoogieIcfgContainer [2022-03-18 13:00:36,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 13:00:36,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 13:00:36,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 13:00:36,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 13:00:36,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 01:00:36" (1/3) ... [2022-03-18 13:00:36,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a554ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 01:00:36, skipping insertion in model container [2022-03-18 13:00:36,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 01:00:36" (2/3) ... [2022-03-18 13:00:36,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a554ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 01:00:36, skipping insertion in model container [2022-03-18 13:00:36,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 01:00:36" (3/3) ... [2022-03-18 13:00:36,930 INFO L111 eAbstractionObserver]: Analyzing ICFG vnew2.c [2022-03-18 13:00:36,934 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-18 13:00:36,934 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 13:00:36,979 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 13:00:36,984 INFO L340 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-03-18 13:00:36,984 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 13:00:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-18 13:00:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-18 13:00:37,002 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 13:00:37,002 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 13:00:37,002 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 13:00:37,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 13:00:37,007 INFO L85 PathProgramCache]: Analyzing trace with hash -818707046, now seen corresponding path program 1 times [2022-03-18 13:00:37,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 13:00:37,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66562219] [2022-03-18 13:00:37,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:00:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 13:00:37,098 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-18 13:00:37,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792481972] [2022-03-18 13:00:37,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:00:37,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 13:00:37,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 13:00:37,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 13:00:37,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-18 13:00:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 13:00:37,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-18 13:00:37,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 13:00:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:00:37,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-18 13:00:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 13:00:37,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66562219] [2022-03-18 13:00:37,293 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-18 13:00:37,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792481972] [2022-03-18 13:00:37,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792481972] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 13:00:37,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 13:00:37,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 13:00:37,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294062331] [2022-03-18 13:00:37,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 13:00:37,307 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 13:00:37,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 13:00:37,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 13:00:37,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 13:00:37,330 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 13:00:37,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 13:00:37,369 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2022-03-18 13:00:37,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-18 13:00:37,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-03-18 13:00:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 13:00:37,376 INFO L225 Difference]: With dead ends: 42 [2022-03-18 13:00:37,376 INFO L226 Difference]: Without dead ends: 15 [2022-03-18 13:00:37,378 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-18 13:00:37,382 INFO L912 BasicCegarLoop]: 22 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-18 13:00:37,382 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 13:00:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-03-18 13:00:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-03-18 13:00:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 13:00:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-03-18 13:00:37,409 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2022-03-18 13:00:37,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 13:00:37,409 INFO L478 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-03-18 13:00:37,410 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 13:00:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-03-18 13:00:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-18 13:00:37,411 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 13:00:37,411 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 13:00:37,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-18 13:00:37,626 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-18 13:00:37,627 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 13:00:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 13:00:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1914943323, now seen corresponding path program 1 times [2022-03-18 13:00:37,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 13:00:37,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869661005] [2022-03-18 13:00:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:00:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 13:00:37,646 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-18 13:00:37,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049295405] [2022-03-18 13:00:37,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:00:37,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 13:00:37,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 13:00:37,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 13:00:37,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-18 13:00:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 13:00:37,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-18 13:00:37,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 13:00:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:00:37,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 13:00:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:00:38,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 13:00:38,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869661005] [2022-03-18 13:00:38,396 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-18 13:00:38,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049295405] [2022-03-18 13:00:38,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049295405] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 13:00:38,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-18 13:00:38,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2022-03-18 13:00:38,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613946441] [2022-03-18 13:00:38,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-18 13:00:38,397 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-18 13:00:38,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 13:00:38,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-18 13:00:38,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-03-18 13:00:38,399 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-18 13:00:43,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:00:44,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:00:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 13:00:45,980 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-03-18 13:00:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-18 13:00:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-03-18 13:00:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 13:00:45,982 INFO L225 Difference]: With dead ends: 28 [2022-03-18 13:00:45,982 INFO L226 Difference]: Without dead ends: 18 [2022-03-18 13:00:45,983 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-03-18 13:00:45,984 INFO L912 BasicCegarLoop]: 9 mSDtfsCounter, 29 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-03-18 13:00:45,984 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 41 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-03-18 13:00:45,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-03-18 13:00:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-03-18 13:00:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 13:00:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-03-18 13:00:45,989 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-03-18 13:00:45,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 13:00:45,989 INFO L478 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-03-18 13:00:45,989 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-18 13:00:45,990 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-03-18 13:00:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-18 13:00:45,990 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 13:00:45,990 INFO L500 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 13:00:46,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-18 13:00:46,205 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-18 13:00:46,205 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 13:00:46,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 13:00:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash 580021722, now seen corresponding path program 2 times [2022-03-18 13:00:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 13:00:46,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836817326] [2022-03-18 13:00:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:00:46,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 13:00:46,228 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-18 13:00:46,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2129801292] [2022-03-18 13:00:46,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-18 13:00:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 13:00:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 13:00:46,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 13:00:46,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-18 13:00:46,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-18 13:00:46,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-18 13:00:46,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-18 13:00:46,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 13:00:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:00:46,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 13:00:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:00:48,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 13:00:48,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836817326] [2022-03-18 13:00:48,750 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-18 13:00:48,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129801292] [2022-03-18 13:00:48,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129801292] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 13:00:48,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-18 13:00:48,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2022-03-18 13:00:48,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222276497] [2022-03-18 13:00:48,751 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-18 13:00:48,752 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-18 13:00:48,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 13:00:48,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-18 13:00:48,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-03-18 13:00:48,753 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-18 13:02:38,517 WARN L232 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-18 13:02:39,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:02:41,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:02:44,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:04:44,221 WARN L232 SmtUtils]: Spent 1.79m on a formula simplification. DAG size of input: 85 DAG size of output: 83 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-18 13:04:46,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:04:47,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:04:49,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:07:46,879 WARN L232 SmtUtils]: Spent 2.77m on a formula simplification. DAG size of input: 80 DAG size of output: 76 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-18 13:07:48,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:07:50,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:08:24,987 WARN L232 SmtUtils]: Spent 20.56s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-18 13:08:27,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:08:29,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:08:31,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:27,965 WARN L232 SmtUtils]: Spent 37.57s on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-18 13:09:29,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:31,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:33,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:37,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:39,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:41,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:43,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:09:45,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-03-18 13:10:08,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 13:10:08,342 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-03-18 13:10:08,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-18 13:10:08,342 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-03-18 13:10:08,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 13:10:08,343 INFO L225 Difference]: With dead ends: 40 [2022-03-18 13:10:08,343 INFO L226 Difference]: Without dead ends: 24 [2022-03-18 13:10:08,344 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 522.7s TimeCoverageRelationStatistics Valid=234, Invalid=554, Unknown=24, NotChecked=0, Total=812 [2022-03-18 13:10:08,345 INFO L912 BasicCegarLoop]: 9 mSDtfsCounter, 72 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 43 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2022-03-18 13:10:08,345 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 48 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 109 Invalid, 15 Unknown, 0 Unchecked, 39.0s Time] [2022-03-18 13:10:08,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-03-18 13:10:08,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-03-18 13:10:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 13:10:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-03-18 13:10:08,351 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 17 [2022-03-18 13:10:08,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 13:10:08,352 INFO L478 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-03-18 13:10:08,352 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-18 13:10:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-03-18 13:10:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-18 13:10:08,352 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 13:10:08,353 INFO L500 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 13:10:08,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-18 13:10:08,553 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 13:10:08,553 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 13:10:08,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 13:10:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash -660648390, now seen corresponding path program 3 times [2022-03-18 13:10:08,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 13:10:08,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587288379] [2022-03-18 13:10:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 13:10:08,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 13:10:08,579 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-18 13:10:08,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847842028] [2022-03-18 13:10:08,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-18 13:10:08,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-18 13:10:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 13:10:08,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-18 13:10:08,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-18 13:10:08,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-18 13:10:08,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-18 13:10:08,804 WARN L261 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 73 conjunts are in the unsatisfiable core [2022-03-18 13:10:08,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-18 13:10:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:10:09,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-18 13:10:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 13:10:15,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 13:10:15,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587288379] [2022-03-18 13:10:15,816 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-18 13:10:15,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847842028] [2022-03-18 13:10:15,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847842028] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-18 13:10:15,816 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-03-18 13:10:15,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 31 [2022-03-18 13:10:15,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202290796] [2022-03-18 13:10:15,816 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-03-18 13:10:15,816 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-18 13:10:15,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 13:10:15,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-18 13:10:15,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2022-03-18 13:10:15,817 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 31 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 5 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-03-18 13:10:18,104 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse15 (mod c_main_~j~0 4294967296)) (.cse22 (mod c_main_~i~0 4294967296)) (.cse1 (mod (+ 2 c_~SIZE~0) 4294967296))) (and (let ((.cse0 (mod (+ c_main_~i~0 18) 4294967296))) (or (<= 0 (div (* (- 1) .cse0) 4294967296)) (let ((.cse2 (mod (+ c_main_~j~0 18) 4294967296))) (and (not (= (mod (mod .cse0 .cse1) 4294967296) 0)) (= .cse0 .cse2) (= .cse2 (mod (+ 18 c_main_~k~0) 4294967296)))))) (let ((.cse4 (mod (+ c_main_~i~0 27) 4294967296))) (or (let ((.cse3 (mod (+ c_main_~j~0 27) 4294967296))) (and (= .cse3 .cse4) (= (mod (+ 27 c_main_~k~0) 4294967296) .cse3) (not (= (mod (mod .cse4 .cse1) 4294967296) 0)))) (<= 0 (div (* (- 1) .cse4) 4294967296)))) (let ((.cse5 (mod (+ c_main_~i~0 6) 4294967296))) (or (<= 0 (div (* (- 1) .cse5) 4294967296)) (let ((.cse6 (mod (+ 6 c_main_~j~0) 4294967296))) (and (= .cse6 .cse5) (= .cse6 (mod (+ 6 c_main_~k~0) 4294967296)) (not (= (mod (mod .cse5 .cse1) 4294967296) 0)))))) (let ((.cse7 (mod (+ c_main_~i~0 3) 4294967296))) (or (let ((.cse8 (mod (+ 3 c_main_~j~0) 4294967296))) (and (not (= (mod (mod .cse7 .cse1) 4294967296) 0)) (= .cse8 .cse7) (= .cse8 (mod (+ 3 c_main_~k~0) 4294967296)))) (<= 0 (div (* (- 1) .cse7) 4294967296)))) (let ((.cse9 (mod (+ c_main_~i~0 21) 4294967296))) (or (<= 0 (div (* (- 1) .cse9) 4294967296)) (let ((.cse10 (mod (+ 21 c_main_~j~0) 4294967296))) (and (= .cse10 (mod (+ 21 c_main_~k~0) 4294967296)) (not (= (mod (mod .cse9 .cse1) 4294967296) 0)) (= .cse10 .cse9))))) (let ((.cse11 (mod (+ c_main_~i~0 24) 4294967296))) (or (<= 0 (div (* (- 1) .cse11) 4294967296)) (let ((.cse12 (mod (+ c_main_~j~0 24) 4294967296))) (and (= .cse12 (mod (+ c_main_~k~0 24) 4294967296)) (not (= (mod (mod .cse11 .cse1) 4294967296) 0)) (= .cse12 .cse11))))) (let ((.cse14 (mod (+ c_main_~i~0 9) 4294967296))) (or (let ((.cse13 (mod (+ 9 c_main_~j~0) 4294967296))) (and (= .cse13 (mod (+ 9 c_main_~k~0) 4294967296)) (not (= (mod (mod .cse14 .cse1) 4294967296) 0)) (= .cse13 .cse14))) (<= 0 (div (* (- 1) .cse14) 4294967296)))) (= .cse15 (mod c_main_~k~0 4294967296)) (let ((.cse16 (mod (+ c_main_~i~0 30) 4294967296))) (or (<= 0 (div (* (- 1) .cse16) 4294967296)) (let ((.cse17 (mod (+ 30 c_main_~j~0) 4294967296))) (and (= .cse17 (mod (+ 30 c_main_~k~0) 4294967296)) (not (= (mod (mod .cse16 .cse1) 4294967296) 0)) (= .cse16 .cse17))))) (= 20000001 c_~SIZE~0) (let ((.cse18 (mod (+ c_main_~i~0 15) 4294967296))) (or (<= 0 (div (* (- 1) .cse18) 4294967296)) (let ((.cse19 (mod (+ 15 c_main_~j~0) 4294967296))) (and (= .cse18 .cse19) (= .cse19 (mod (+ 15 c_main_~k~0) 4294967296)) (not (= (mod (mod .cse18 .cse1) 4294967296) 0)))))) (let ((.cse21 (mod (+ c_main_~i~0 12) 4294967296))) (or (let ((.cse20 (mod (+ c_main_~j~0 12) 4294967296))) (and (= .cse20 (mod (+ 12 c_main_~k~0) 4294967296)) (= .cse20 .cse21) (not (= (mod (mod .cse21 .cse1) 4294967296) 0)))) (<= 0 (div (* (- 1) .cse21) 4294967296)))) (= .cse15 .cse22) (not (= 0 (mod (mod .cse22 .cse1) 4294967296))))) is different from false