/usr/bin/java -ea -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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 05:01:44,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 05:01:44,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 05:01:44,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 05:01:44,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 05:01:44,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 05:01:44,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 05:01:44,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 05:01:44,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 05:01:44,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 05:01:44,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 05:01:44,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 05:01:44,335 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 05:01:44,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 05:01:44,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 05:01:44,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 05:01:44,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 05:01:44,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 05:01:44,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 05:01:44,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 05:01:44,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 05:01:44,352 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-15 05:01:44,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 05:01:44,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 05:01:44,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-15 05:01:44,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-15 05:01:44,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-15 05:01:44,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-15 05:01:44,381 INFO L138 SettingsManager]: * Use SBE=true [2022-04-15 05:01:44,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 05:01:44,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 05:01:44,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 05:01:44,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 05:01:44,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 05:01:44,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 05:01:44,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 05:01:44,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-15 05:01:44,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-15 05:01:44,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-15 05:01:44,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-15 05:01:44,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 05:01:44,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-15 05:01:44,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-15 05:01:44,385 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-15 05:01:44,385 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 05:01:44,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 05:01:44,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 05:01:44,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 05:01:44,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 05:01:44,634 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 05:01:44,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2022-04-15 05:01:44,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13422711c/c80483ce521b4f01975d94e63617c9b8/FLAG65536a630 [2022-04-15 05:01:45,085 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 05:01:45,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2022-04-15 05:01:45,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13422711c/c80483ce521b4f01975d94e63617c9b8/FLAG65536a630 [2022-04-15 05:01:45,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13422711c/c80483ce521b4f01975d94e63617c9b8 [2022-04-15 05:01:45,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 05:01:45,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-15 05:01:45,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 05:01:45,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 05:01:45,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 05:01:45,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f318fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45, skipping insertion in model container [2022-04-15 05:01:45,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 05:01:45,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 05:01:45,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2022-04-15 05:01:45,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 05:01:45,359 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 05:01:45,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2022-04-15 05:01:45,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 05:01:45,402 INFO L208 MainTranslator]: Completed translation [2022-04-15 05:01:45,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45 WrapperNode [2022-04-15 05:01:45,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 05:01:45,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 05:01:45,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 05:01:45,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 05:01:45,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 05:01:45,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 05:01:45,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 05:01:45,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 05:01:45,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 05:01:45,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 05:01:45,497 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) [2022-04-15 05:01:45,517 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 [2022-04-15 05:01:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 05:01:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 05:01:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 05:01:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 05:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 05:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 05:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 05:01:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 05:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 05:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 05:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 05:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 05:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 05:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 05:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 05:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 05:01:45,599 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 05:01:45,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 05:01:45,897 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 05:01:45,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 05:01:45,903 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 05:01:45,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 05:01:45 BoogieIcfgContainer [2022-04-15 05:01:45,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 05:01:45,904 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-15 05:01:45,905 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-15 05:01:45,905 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-15 05:01:45,907 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 05:01:45" (1/1) ... [2022-04-15 05:01:45,909 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-15 05:01:45,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 05:01:45 BasicIcfg [2022-04-15 05:01:45,937 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-15 05:01:45,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 05:01:45,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 05:01:45,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 05:01:45,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 05:01:45" (1/4) ... [2022-04-15 05:01:45,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125c89b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 05:01:45, skipping insertion in model container [2022-04-15 05:01:45,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 05:01:45" (2/4) ... [2022-04-15 05:01:45,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125c89b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 05:01:45, skipping insertion in model container [2022-04-15 05:01:45,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 05:01:45" (3/4) ... [2022-04-15 05:01:45,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125c89b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 05:01:45, skipping insertion in model container [2022-04-15 05:01:45,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 05:01:45" (4/4) ... [2022-04-15 05:01:45,945 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.cqvasr [2022-04-15 05:01:45,948 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-15 05:01:45,948 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 05:01:45,980 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 05:01:45,984 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=FINITE_AUTOMATA, 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 [2022-04-15 05:01:45,984 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 05:01:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 05:01:46,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-15 05:01:46,002 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 05:01:46,003 INFO L499 BasicCegarLoop]: 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] [2022-04-15 05:01:46,003 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 05:01:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 05:01:46,014 INFO L85 PathProgramCache]: Analyzing trace with hash 267710119, now seen corresponding path program 1 times [2022-04-15 05:01:46,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 05:01:46,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23007416] [2022-04-15 05:01:46,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 05:01:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 05:01:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 05:01:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:46,298 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {60#true} is VALID [2022-04-15 05:01:46,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {60#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#true} is VALID [2022-04-15 05:01:46,298 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {60#true} {60#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#true} is VALID [2022-04-15 05:01:46,300 INFO L272 TraceCheckUtils]: 0: Hoare triple {60#true} [271] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 05:01:46,301 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {60#true} is VALID [2022-04-15 05:01:46,301 INFO L290 TraceCheckUtils]: 2: Hoare triple {60#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#true} is VALID [2022-04-15 05:01:46,301 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {60#true} {60#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#true} is VALID [2022-04-15 05:01:46,301 INFO L272 TraceCheckUtils]: 4: Hoare triple {60#true} [272] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {60#true} is VALID [2022-04-15 05:01:46,302 INFO L290 TraceCheckUtils]: 5: Hoare triple {60#true} [275] mainENTRY-->L211: Formula: (and (<= |v_main_#t~nondet17_2| 2147483647) (= v_main_~p4~0_1 |v_main_#t~nondet7_2|) (<= |v_main_#t~nondet8_2| 2147483647) (= |v_main_#t~nondet15_2| v_main_~p12~0_1) (= v_main_~p9~0_1 |v_main_#t~nondet12_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (= |v_main_#t~nondet17_2| v_main_~p14~0_2) (= v_main_~p7~0_1 |v_main_#t~nondet10_2|) (<= 0 (+ |v_main_#t~nondet16_2| 2147483648)) (<= |v_main_#t~nondet6_2| 2147483647) (<= |v_main_#t~nondet14_2| 2147483647) (<= |v_main_#t~nondet13_2| 2147483647) (<= 0 (+ |v_main_#t~nondet9_2| 2147483648)) (= v_main_~p1~0_1 |v_main_#t~nondet4_2|) (= v_main_~p5~0_1 |v_main_#t~nondet8_2|) (= v_main_~p6~0_1 |v_main_#t~nondet9_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet10_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet7_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet11_2| 2147483648)) (= |v_main_#t~nondet14_2| v_main_~p11~0_1) (= v_main_~p3~0_2 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet9_2| 2147483647) (= v_main_~p2~0_1 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~p8~0_1 |v_main_#t~nondet11_2|) (<= |v_main_#t~nondet16_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet15_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet13_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet17_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet12_2| 2147483648)) (<= |v_main_#t~nondet7_2| 2147483647) (<= |v_main_#t~nondet11_2| 2147483647) (<= |v_main_#t~nondet10_2| 2147483647) (= |v_main_#t~nondet16_2| v_main_~p13~0_1) (= |v_main_#t~nondet13_2| v_main_~p10~0_1) (<= |v_main_#t~nondet12_2| 2147483647) (<= 0 (+ |v_main_#t~nondet14_2| 2147483648)) (<= |v_main_#t~nondet15_2| 2147483647)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|, main_#t~nondet7=|v_main_#t~nondet7_2|, main_#t~nondet6=|v_main_#t~nondet6_2|, main_#t~nondet9=|v_main_#t~nondet9_2|, main_#t~nondet8=|v_main_#t~nondet8_2|, main_#t~nondet16=|v_main_#t~nondet16_2|, main_#t~nondet15=|v_main_#t~nondet15_2|, main_#t~nondet14=|v_main_#t~nondet14_2|, main_#t~nondet13=|v_main_#t~nondet13_2|, main_#t~nondet17=|v_main_#t~nondet17_2|, main_#t~nondet12=|v_main_#t~nondet12_2|, main_#t~nondet11=|v_main_#t~nondet11_2|, main_#t~nondet10=|v_main_#t~nondet10_2|} OutVars{main_~p13~0=v_main_~p13~0_1, main_~p1~0=v_main_~p1~0_1, main_~lk1~0=v_main_~lk1~0_1, main_~lk12~0=v_main_~lk12~0_1, main_~lk5~0=v_main_~lk5~0_1, main_~p2~0=v_main_~p2~0_1, main_~cond~0=v_main_~cond~0_1, main_~p6~0=v_main_~p6~0_1, main_~p5~0=v_main_~p5~0_1, main_~lk2~0=v_main_~lk2~0_1, main_~lk11~0=v_main_~lk11~0_1, main_~p10~0=v_main_~p10~0_1, main_~p14~0=v_main_~p14~0_2, main_~lk6~0=v_main_~lk6~0_1, main_~p9~0=v_main_~p9~0_1, main_~lk3~0=v_main_~lk3~0_2, main_~lk14~0=v_main_~lk14~0_3, main_~p8~0=v_main_~p8~0_1, main_~lk10~0=v_main_~lk10~0_1, main_~p11~0=v_main_~p11~0_1, main_~lk9~0=v_main_~lk9~0_1, main_~p4~0=v_main_~p4~0_1, main_~lk7~0=v_main_~lk7~0_1, main_~p12~0=v_main_~p12~0_1, main_~lk13~0=v_main_~lk13~0_1, main_~lk4~0=v_main_~lk4~0_1, main_~p3~0=v_main_~p3~0_2, main_~lk8~0=v_main_~lk8~0_1, main_~p7~0=v_main_~p7~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~p13~0, main_#t~nondet4, main_#t~nondet7, main_#t~nondet6, main_~p1~0, main_~lk1~0, main_~lk12~0, main_~lk5~0, main_~p2~0, main_#t~nondet9, main_#t~nondet8, main_~cond~0, main_~p6~0, main_~p5~0, main_~lk2~0, main_~lk11~0, main_~p10~0, main_~p14~0, main_~lk6~0, main_~p9~0, main_~lk3~0, main_~lk14~0, main_~p8~0, main_~lk10~0, main_~p11~0, main_~lk9~0, main_~p4~0, main_~lk7~0, main_#t~nondet16, main_#t~nondet15, main_~p12~0, main_#t~nondet14, main_#t~nondet13, main_~lk13~0, main_#t~nondet17, main_~lk4~0, main_~p3~0, main_#t~nondet12, main_#t~nondet11, main_~lk8~0, main_#t~nondet10, main_~p7~0] {60#true} is VALID [2022-04-15 05:01:46,302 INFO L290 TraceCheckUtils]: 6: Hoare triple {60#true} [279] L211-->L55: Formula: (and (= |v_main_#t~nondet18_2| v_main_~cond~0_2) (<= |v_main_#t~nondet18_2| 2147483647) (<= 0 (+ |v_main_#t~nondet18_2| 2147483648))) InVars {main_#t~nondet18=|v_main_#t~nondet18_2|} OutVars{main_~cond~0=v_main_~cond~0_2} AuxVars[] AssignedVars[main_#t~nondet18, main_~cond~0] {60#true} is VALID [2022-04-15 05:01:46,303 INFO L290 TraceCheckUtils]: 7: Hoare triple {60#true} [282] L55-->L88: Formula: (and (= v_main_~lk9~0_2 0) (= v_main_~lk1~0_2 0) (= v_main_~lk14~0_4 0) (= v_main_~lk7~0_2 0) (= v_main_~lk3~0_5 0) (= v_main_~lk6~0_2 0) (= v_main_~lk12~0_2 0) (= v_main_~lk2~0_2 0) (= v_main_~lk8~0_2 0) (= v_main_~lk13~0_2 0) (= v_main_~lk4~0_5 0) (not (= 0 v_main_~cond~0_4)) (= v_main_~lk5~0_2 0) (= v_main_~lk11~0_2 0) (= v_main_~lk10~0_2 0)) InVars {main_~cond~0=v_main_~cond~0_4} OutVars{main_~lk3~0=v_main_~lk3~0_5, main_~lk14~0=v_main_~lk14~0_4, main_~lk1~0=v_main_~lk1~0_2, main_~lk12~0=v_main_~lk12~0_2, main_~lk10~0=v_main_~lk10~0_2, main_~lk5~0=v_main_~lk5~0_2, main_~lk9~0=v_main_~lk9~0_2, main_~lk7~0=v_main_~lk7~0_2, main_~cond~0=v_main_~cond~0_4, main_~lk2~0=v_main_~lk2~0_2, main_~lk11~0=v_main_~lk11~0_2, main_~lk13~0=v_main_~lk13~0_2, main_~lk4~0=v_main_~lk4~0_5, main_~lk6~0=v_main_~lk6~0_2, main_~lk8~0=v_main_~lk8~0_2} AuxVars[] AssignedVars[main_~lk3~0, main_~lk14~0, main_~lk1~0, main_~lk12~0, main_~lk10~0, main_~lk5~0, main_~lk9~0, main_~lk7~0, main_~lk2~0, main_~lk11~0, main_~lk13~0, main_~lk4~0, main_~lk6~0, main_~lk8~0] {60#true} is VALID [2022-04-15 05:01:46,304 INFO L290 TraceCheckUtils]: 8: Hoare triple {60#true} [284] L88-->L88-2: Formula: (and (= v_main_~lk1~0_3 1) (not (= v_main_~p1~0_2 0))) InVars {main_~p1~0=v_main_~p1~0_2} OutVars{main_~p1~0=v_main_~p1~0_2, main_~lk1~0=v_main_~lk1~0_3} AuxVars[] AssignedVars[main_~lk1~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,305 INFO L290 TraceCheckUtils]: 9: Hoare triple {65#(= main_~lk1~0 1)} [286] L88-2-->L92-1: Formula: (and (= v_main_~lk2~0_3 1) (not (= v_main_~p2~0_2 0))) InVars {main_~p2~0=v_main_~p2~0_2} OutVars{main_~lk2~0=v_main_~lk2~0_3, main_~p2~0=v_main_~p2~0_2} AuxVars[] AssignedVars[main_~lk2~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,305 INFO L290 TraceCheckUtils]: 10: Hoare triple {65#(= main_~lk1~0 1)} [288] L92-1-->L96-1: Formula: (and (= v_main_~lk3~0_6 1) (not (= v_main_~p3~0_4 0))) InVars {main_~p3~0=v_main_~p3~0_4} OutVars{main_~p3~0=v_main_~p3~0_4, main_~lk3~0=v_main_~lk3~0_6} AuxVars[] AssignedVars[main_~lk3~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,307 INFO L290 TraceCheckUtils]: 11: Hoare triple {65#(= main_~lk1~0 1)} [290] L96-1-->L100-1: Formula: (and (not (= v_main_~p4~0_4 0)) (= v_main_~lk4~0_6 1)) InVars {main_~p4~0=v_main_~p4~0_4} OutVars{main_~p4~0=v_main_~p4~0_4, main_~lk4~0=v_main_~lk4~0_6} AuxVars[] AssignedVars[main_~lk4~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,308 INFO L290 TraceCheckUtils]: 12: Hoare triple {65#(= main_~lk1~0 1)} [292] L100-1-->L104-1: Formula: (and (= v_main_~lk5~0_6 1) (not (= v_main_~p5~0_4 0))) InVars {main_~p5~0=v_main_~p5~0_4} OutVars{main_~p5~0=v_main_~p5~0_4, main_~lk5~0=v_main_~lk5~0_6} AuxVars[] AssignedVars[main_~lk5~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {65#(= main_~lk1~0 1)} [294] L104-1-->L108-1: Formula: (and (not (= v_main_~p6~0_4 0)) (= v_main_~lk6~0_6 1)) InVars {main_~p6~0=v_main_~p6~0_4} OutVars{main_~lk6~0=v_main_~lk6~0_6, main_~p6~0=v_main_~p6~0_4} AuxVars[] AssignedVars[main_~lk6~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,308 INFO L290 TraceCheckUtils]: 14: Hoare triple {65#(= main_~lk1~0 1)} [296] L108-1-->L112-1: Formula: (and (not (= v_main_~p7~0_4 0)) (= v_main_~lk7~0_6 1)) InVars {main_~p7~0=v_main_~p7~0_4} OutVars{main_~lk7~0=v_main_~lk7~0_6, main_~p7~0=v_main_~p7~0_4} AuxVars[] AssignedVars[main_~lk7~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,309 INFO L290 TraceCheckUtils]: 15: Hoare triple {65#(= main_~lk1~0 1)} [298] L112-1-->L116-1: Formula: (and (= v_main_~lk8~0_6 1) (not (= v_main_~p8~0_4 0))) InVars {main_~p8~0=v_main_~p8~0_4} OutVars{main_~p8~0=v_main_~p8~0_4, main_~lk8~0=v_main_~lk8~0_6} AuxVars[] AssignedVars[main_~lk8~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,310 INFO L290 TraceCheckUtils]: 16: Hoare triple {65#(= main_~lk1~0 1)} [300] L116-1-->L120-1: Formula: (and (not (= v_main_~p9~0_3 0)) (= v_main_~lk9~0_4 1)) InVars {main_~p9~0=v_main_~p9~0_3} OutVars{main_~lk9~0=v_main_~lk9~0_4, main_~p9~0=v_main_~p9~0_3} AuxVars[] AssignedVars[main_~lk9~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,311 INFO L290 TraceCheckUtils]: 17: Hoare triple {65#(= main_~lk1~0 1)} [302] L120-1-->L124-1: Formula: (and (not (= v_main_~p10~0_2 0)) (= v_main_~lk10~0_3 1)) InVars {main_~p10~0=v_main_~p10~0_2} OutVars{main_~lk10~0=v_main_~lk10~0_3, main_~p10~0=v_main_~p10~0_2} AuxVars[] AssignedVars[main_~lk10~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,312 INFO L290 TraceCheckUtils]: 18: Hoare triple {65#(= main_~lk1~0 1)} [304] L124-1-->L128-1: Formula: (and (= v_main_~lk11~0_3 1) (not (= v_main_~p11~0_2 0))) InVars {main_~p11~0=v_main_~p11~0_2} OutVars{main_~lk11~0=v_main_~lk11~0_3, main_~p11~0=v_main_~p11~0_2} AuxVars[] AssignedVars[main_~lk11~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,312 INFO L290 TraceCheckUtils]: 19: Hoare triple {65#(= main_~lk1~0 1)} [306] L128-1-->L132-1: Formula: (and (= v_main_~lk12~0_3 1) (not (= v_main_~p12~0_2 0))) InVars {main_~p12~0=v_main_~p12~0_2} OutVars{main_~p12~0=v_main_~p12~0_2, main_~lk12~0=v_main_~lk12~0_3} AuxVars[] AssignedVars[main_~lk12~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,313 INFO L290 TraceCheckUtils]: 20: Hoare triple {65#(= main_~lk1~0 1)} [308] L132-1-->L136-1: Formula: (and (= v_main_~lk13~0_3 1) (not (= v_main_~p13~0_2 0))) InVars {main_~p13~0=v_main_~p13~0_2} OutVars{main_~p13~0=v_main_~p13~0_2, main_~lk13~0=v_main_~lk13~0_3} AuxVars[] AssignedVars[main_~lk13~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,313 INFO L290 TraceCheckUtils]: 21: Hoare triple {65#(= main_~lk1~0 1)} [310] L136-1-->L140-1: Formula: (and (not (= v_main_~p14~0_3 0)) (= v_main_~lk14~0_5 1)) InVars {main_~p14~0=v_main_~p14~0_3} OutVars{main_~p14~0=v_main_~p14~0_3, main_~lk14~0=v_main_~lk14~0_5} AuxVars[] AssignedVars[main_~lk14~0] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,314 INFO L290 TraceCheckUtils]: 22: Hoare triple {65#(= main_~lk1~0 1)} [312] L140-1-->L147: Formula: (not (= v_main_~p1~0_4 0)) InVars {main_~p1~0=v_main_~p1~0_4} OutVars{main_~p1~0=v_main_~p1~0_4} AuxVars[] AssignedVars[] {65#(= main_~lk1~0 1)} is VALID [2022-04-15 05:01:46,314 INFO L290 TraceCheckUtils]: 23: Hoare triple {65#(= main_~lk1~0 1)} [314] L147-->L214: Formula: (not (= v_main_~lk1~0_4 1)) InVars {main_~lk1~0=v_main_~lk1~0_4} OutVars{main_~lk1~0=v_main_~lk1~0_4} AuxVars[] AssignedVars[] {61#false} is VALID [2022-04-15 05:01:46,314 INFO L290 TraceCheckUtils]: 24: Hoare triple {61#false} [318] L214-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {61#false} is VALID [2022-04-15 05:01:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 05:01:46,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 05:01:46,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23007416] [2022-04-15 05:01:46,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23007416] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 05:01:46,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 05:01:46,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 05:01:46,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690201709] [2022-04-15 05:01:46,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 05:01:46,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:46,324 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 05:01:46,326 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,356 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:46,356 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 05:01:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 05:01:46,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 05:01:46,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 05:01:46,379 INFO L87 Difference]: Start difference. First operand has 57 states, 51 states have (on average 1.9019607843137254) internal successors, (97), 52 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:46,764 INFO L93 Difference]: Finished difference Result 112 states and 199 transitions. [2022-04-15 05:01:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 05:01:46,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:46,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 05:01:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 199 transitions. [2022-04-15 05:01:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 199 transitions. [2022-04-15 05:01:46,781 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 199 transitions. [2022-04-15 05:01:46,945 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:46,952 INFO L225 Difference]: With dead ends: 112 [2022-04-15 05:01:46,953 INFO L226 Difference]: Without dead ends: 97 [2022-04-15 05:01:46,954 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-15 05:01:46,957 INFO L913 BasicCegarLoop]: 103 mSDtfsCounter, 243 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 05:01:46,957 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 112 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 05:01:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-04-15 05:01:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 67. [2022-04-15 05:01:46,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 05:01:46,987 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,988 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,989 INFO L87 Difference]: Start difference. First operand 97 states. Second operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:46,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:46,993 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2022-04-15 05:01:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2022-04-15 05:01:46,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:46,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:46,994 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 97 states. [2022-04-15 05:01:46,995 INFO L87 Difference]: Start difference. First operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 97 states. [2022-04-15 05:01:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:47,005 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2022-04-15 05:01:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2022-04-15 05:01:47,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:47,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:47,005 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 05:01:47,006 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 05:01:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.8888888888888888) internal successors, (119), 63 states have internal predecessors, (119), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 122 transitions. [2022-04-15 05:01:47,009 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 122 transitions. Word has length 25 [2022-04-15 05:01:47,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 05:01:47,011 INFO L478 AbstractCegarLoop]: Abstraction has 67 states and 122 transitions. [2022-04-15 05:01:47,011 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2022-04-15 05:01:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-15 05:01:47,012 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 05:01:47,012 INFO L499 BasicCegarLoop]: 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] [2022-04-15 05:01:47,012 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 05:01:47,013 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 05:01:47,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 05:01:47,013 INFO L85 PathProgramCache]: Analyzing trace with hash 267711173, now seen corresponding path program 1 times [2022-04-15 05:01:47,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 05:01:47,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905108155] [2022-04-15 05:01:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 05:01:47,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 05:01:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 05:01:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:47,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {469#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {463#true} is VALID [2022-04-15 05:01:47,105 INFO L290 TraceCheckUtils]: 1: Hoare triple {463#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {463#true} is VALID [2022-04-15 05:01:47,105 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {463#true} {463#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {463#true} is VALID [2022-04-15 05:01:47,106 INFO L272 TraceCheckUtils]: 0: Hoare triple {463#true} [271] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {469#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 05:01:47,106 INFO L290 TraceCheckUtils]: 1: Hoare triple {469#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {463#true} is VALID [2022-04-15 05:01:47,107 INFO L290 TraceCheckUtils]: 2: Hoare triple {463#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {463#true} is VALID [2022-04-15 05:01:47,107 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {463#true} {463#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {463#true} is VALID [2022-04-15 05:01:47,107 INFO L272 TraceCheckUtils]: 4: Hoare triple {463#true} [272] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {463#true} is VALID [2022-04-15 05:01:47,108 INFO L290 TraceCheckUtils]: 5: Hoare triple {463#true} [275] mainENTRY-->L211: Formula: (and (<= |v_main_#t~nondet17_2| 2147483647) (= v_main_~p4~0_1 |v_main_#t~nondet7_2|) (<= |v_main_#t~nondet8_2| 2147483647) (= |v_main_#t~nondet15_2| v_main_~p12~0_1) (= v_main_~p9~0_1 |v_main_#t~nondet12_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (= |v_main_#t~nondet17_2| v_main_~p14~0_2) (= v_main_~p7~0_1 |v_main_#t~nondet10_2|) (<= 0 (+ |v_main_#t~nondet16_2| 2147483648)) (<= |v_main_#t~nondet6_2| 2147483647) (<= |v_main_#t~nondet14_2| 2147483647) (<= |v_main_#t~nondet13_2| 2147483647) (<= 0 (+ |v_main_#t~nondet9_2| 2147483648)) (= v_main_~p1~0_1 |v_main_#t~nondet4_2|) (= v_main_~p5~0_1 |v_main_#t~nondet8_2|) (= v_main_~p6~0_1 |v_main_#t~nondet9_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet10_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet7_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet11_2| 2147483648)) (= |v_main_#t~nondet14_2| v_main_~p11~0_1) (= v_main_~p3~0_2 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet9_2| 2147483647) (= v_main_~p2~0_1 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~p8~0_1 |v_main_#t~nondet11_2|) (<= |v_main_#t~nondet16_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet15_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet13_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet17_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet12_2| 2147483648)) (<= |v_main_#t~nondet7_2| 2147483647) (<= |v_main_#t~nondet11_2| 2147483647) (<= |v_main_#t~nondet10_2| 2147483647) (= |v_main_#t~nondet16_2| v_main_~p13~0_1) (= |v_main_#t~nondet13_2| v_main_~p10~0_1) (<= |v_main_#t~nondet12_2| 2147483647) (<= 0 (+ |v_main_#t~nondet14_2| 2147483648)) (<= |v_main_#t~nondet15_2| 2147483647)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|, main_#t~nondet7=|v_main_#t~nondet7_2|, main_#t~nondet6=|v_main_#t~nondet6_2|, main_#t~nondet9=|v_main_#t~nondet9_2|, main_#t~nondet8=|v_main_#t~nondet8_2|, main_#t~nondet16=|v_main_#t~nondet16_2|, main_#t~nondet15=|v_main_#t~nondet15_2|, main_#t~nondet14=|v_main_#t~nondet14_2|, main_#t~nondet13=|v_main_#t~nondet13_2|, main_#t~nondet17=|v_main_#t~nondet17_2|, main_#t~nondet12=|v_main_#t~nondet12_2|, main_#t~nondet11=|v_main_#t~nondet11_2|, main_#t~nondet10=|v_main_#t~nondet10_2|} OutVars{main_~p13~0=v_main_~p13~0_1, main_~p1~0=v_main_~p1~0_1, main_~lk1~0=v_main_~lk1~0_1, main_~lk12~0=v_main_~lk12~0_1, main_~lk5~0=v_main_~lk5~0_1, main_~p2~0=v_main_~p2~0_1, main_~cond~0=v_main_~cond~0_1, main_~p6~0=v_main_~p6~0_1, main_~p5~0=v_main_~p5~0_1, main_~lk2~0=v_main_~lk2~0_1, main_~lk11~0=v_main_~lk11~0_1, main_~p10~0=v_main_~p10~0_1, main_~p14~0=v_main_~p14~0_2, main_~lk6~0=v_main_~lk6~0_1, main_~p9~0=v_main_~p9~0_1, main_~lk3~0=v_main_~lk3~0_2, main_~lk14~0=v_main_~lk14~0_3, main_~p8~0=v_main_~p8~0_1, main_~lk10~0=v_main_~lk10~0_1, main_~p11~0=v_main_~p11~0_1, main_~lk9~0=v_main_~lk9~0_1, main_~p4~0=v_main_~p4~0_1, main_~lk7~0=v_main_~lk7~0_1, main_~p12~0=v_main_~p12~0_1, main_~lk13~0=v_main_~lk13~0_1, main_~lk4~0=v_main_~lk4~0_1, main_~p3~0=v_main_~p3~0_2, main_~lk8~0=v_main_~lk8~0_1, main_~p7~0=v_main_~p7~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~p13~0, main_#t~nondet4, main_#t~nondet7, main_#t~nondet6, main_~p1~0, main_~lk1~0, main_~lk12~0, main_~lk5~0, main_~p2~0, main_#t~nondet9, main_#t~nondet8, main_~cond~0, main_~p6~0, main_~p5~0, main_~lk2~0, main_~lk11~0, main_~p10~0, main_~p14~0, main_~lk6~0, main_~p9~0, main_~lk3~0, main_~lk14~0, main_~p8~0, main_~lk10~0, main_~p11~0, main_~lk9~0, main_~p4~0, main_~lk7~0, main_#t~nondet16, main_#t~nondet15, main_~p12~0, main_#t~nondet14, main_#t~nondet13, main_~lk13~0, main_#t~nondet17, main_~lk4~0, main_~p3~0, main_#t~nondet12, main_#t~nondet11, main_~lk8~0, main_#t~nondet10, main_~p7~0] {463#true} is VALID [2022-04-15 05:01:47,114 INFO L290 TraceCheckUtils]: 6: Hoare triple {463#true} [279] L211-->L55: Formula: (and (= |v_main_#t~nondet18_2| v_main_~cond~0_2) (<= |v_main_#t~nondet18_2| 2147483647) (<= 0 (+ |v_main_#t~nondet18_2| 2147483648))) InVars {main_#t~nondet18=|v_main_#t~nondet18_2|} OutVars{main_~cond~0=v_main_~cond~0_2} AuxVars[] AssignedVars[main_#t~nondet18, main_~cond~0] {463#true} is VALID [2022-04-15 05:01:47,114 INFO L290 TraceCheckUtils]: 7: Hoare triple {463#true} [282] L55-->L88: Formula: (and (= v_main_~lk9~0_2 0) (= v_main_~lk1~0_2 0) (= v_main_~lk14~0_4 0) (= v_main_~lk7~0_2 0) (= v_main_~lk3~0_5 0) (= v_main_~lk6~0_2 0) (= v_main_~lk12~0_2 0) (= v_main_~lk2~0_2 0) (= v_main_~lk8~0_2 0) (= v_main_~lk13~0_2 0) (= v_main_~lk4~0_5 0) (not (= 0 v_main_~cond~0_4)) (= v_main_~lk5~0_2 0) (= v_main_~lk11~0_2 0) (= v_main_~lk10~0_2 0)) InVars {main_~cond~0=v_main_~cond~0_4} OutVars{main_~lk3~0=v_main_~lk3~0_5, main_~lk14~0=v_main_~lk14~0_4, main_~lk1~0=v_main_~lk1~0_2, main_~lk12~0=v_main_~lk12~0_2, main_~lk10~0=v_main_~lk10~0_2, main_~lk5~0=v_main_~lk5~0_2, main_~lk9~0=v_main_~lk9~0_2, main_~lk7~0=v_main_~lk7~0_2, main_~cond~0=v_main_~cond~0_4, main_~lk2~0=v_main_~lk2~0_2, main_~lk11~0=v_main_~lk11~0_2, main_~lk13~0=v_main_~lk13~0_2, main_~lk4~0=v_main_~lk4~0_5, main_~lk6~0=v_main_~lk6~0_2, main_~lk8~0=v_main_~lk8~0_2} AuxVars[] AssignedVars[main_~lk3~0, main_~lk14~0, main_~lk1~0, main_~lk12~0, main_~lk10~0, main_~lk5~0, main_~lk9~0, main_~lk7~0, main_~lk2~0, main_~lk11~0, main_~lk13~0, main_~lk4~0, main_~lk6~0, main_~lk8~0] {463#true} is VALID [2022-04-15 05:01:47,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {463#true} [284] L88-->L88-2: Formula: (and (= v_main_~lk1~0_3 1) (not (= v_main_~p1~0_2 0))) InVars {main_~p1~0=v_main_~p1~0_2} OutVars{main_~p1~0=v_main_~p1~0_2, main_~lk1~0=v_main_~lk1~0_3} AuxVars[] AssignedVars[main_~lk1~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,115 INFO L290 TraceCheckUtils]: 9: Hoare triple {468#(not (= main_~p1~0 0))} [286] L88-2-->L92-1: Formula: (and (= v_main_~lk2~0_3 1) (not (= v_main_~p2~0_2 0))) InVars {main_~p2~0=v_main_~p2~0_2} OutVars{main_~lk2~0=v_main_~lk2~0_3, main_~p2~0=v_main_~p2~0_2} AuxVars[] AssignedVars[main_~lk2~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {468#(not (= main_~p1~0 0))} [288] L92-1-->L96-1: Formula: (and (= v_main_~lk3~0_6 1) (not (= v_main_~p3~0_4 0))) InVars {main_~p3~0=v_main_~p3~0_4} OutVars{main_~p3~0=v_main_~p3~0_4, main_~lk3~0=v_main_~lk3~0_6} AuxVars[] AssignedVars[main_~lk3~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,116 INFO L290 TraceCheckUtils]: 11: Hoare triple {468#(not (= main_~p1~0 0))} [290] L96-1-->L100-1: Formula: (and (not (= v_main_~p4~0_4 0)) (= v_main_~lk4~0_6 1)) InVars {main_~p4~0=v_main_~p4~0_4} OutVars{main_~p4~0=v_main_~p4~0_4, main_~lk4~0=v_main_~lk4~0_6} AuxVars[] AssignedVars[main_~lk4~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {468#(not (= main_~p1~0 0))} [292] L100-1-->L104-1: Formula: (and (= v_main_~lk5~0_6 1) (not (= v_main_~p5~0_4 0))) InVars {main_~p5~0=v_main_~p5~0_4} OutVars{main_~p5~0=v_main_~p5~0_4, main_~lk5~0=v_main_~lk5~0_6} AuxVars[] AssignedVars[main_~lk5~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,117 INFO L290 TraceCheckUtils]: 13: Hoare triple {468#(not (= main_~p1~0 0))} [294] L104-1-->L108-1: Formula: (and (not (= v_main_~p6~0_4 0)) (= v_main_~lk6~0_6 1)) InVars {main_~p6~0=v_main_~p6~0_4} OutVars{main_~lk6~0=v_main_~lk6~0_6, main_~p6~0=v_main_~p6~0_4} AuxVars[] AssignedVars[main_~lk6~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {468#(not (= main_~p1~0 0))} [296] L108-1-->L112-1: Formula: (and (not (= v_main_~p7~0_4 0)) (= v_main_~lk7~0_6 1)) InVars {main_~p7~0=v_main_~p7~0_4} OutVars{main_~lk7~0=v_main_~lk7~0_6, main_~p7~0=v_main_~p7~0_4} AuxVars[] AssignedVars[main_~lk7~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {468#(not (= main_~p1~0 0))} [298] L112-1-->L116-1: Formula: (and (= v_main_~lk8~0_6 1) (not (= v_main_~p8~0_4 0))) InVars {main_~p8~0=v_main_~p8~0_4} OutVars{main_~p8~0=v_main_~p8~0_4, main_~lk8~0=v_main_~lk8~0_6} AuxVars[] AssignedVars[main_~lk8~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,118 INFO L290 TraceCheckUtils]: 16: Hoare triple {468#(not (= main_~p1~0 0))} [300] L116-1-->L120-1: Formula: (and (not (= v_main_~p9~0_3 0)) (= v_main_~lk9~0_4 1)) InVars {main_~p9~0=v_main_~p9~0_3} OutVars{main_~lk9~0=v_main_~lk9~0_4, main_~p9~0=v_main_~p9~0_3} AuxVars[] AssignedVars[main_~lk9~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,118 INFO L290 TraceCheckUtils]: 17: Hoare triple {468#(not (= main_~p1~0 0))} [302] L120-1-->L124-1: Formula: (and (not (= v_main_~p10~0_2 0)) (= v_main_~lk10~0_3 1)) InVars {main_~p10~0=v_main_~p10~0_2} OutVars{main_~lk10~0=v_main_~lk10~0_3, main_~p10~0=v_main_~p10~0_2} AuxVars[] AssignedVars[main_~lk10~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,119 INFO L290 TraceCheckUtils]: 18: Hoare triple {468#(not (= main_~p1~0 0))} [304] L124-1-->L128-1: Formula: (and (= v_main_~lk11~0_3 1) (not (= v_main_~p11~0_2 0))) InVars {main_~p11~0=v_main_~p11~0_2} OutVars{main_~lk11~0=v_main_~lk11~0_3, main_~p11~0=v_main_~p11~0_2} AuxVars[] AssignedVars[main_~lk11~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,123 INFO L290 TraceCheckUtils]: 19: Hoare triple {468#(not (= main_~p1~0 0))} [306] L128-1-->L132-1: Formula: (and (= v_main_~lk12~0_3 1) (not (= v_main_~p12~0_2 0))) InVars {main_~p12~0=v_main_~p12~0_2} OutVars{main_~p12~0=v_main_~p12~0_2, main_~lk12~0=v_main_~lk12~0_3} AuxVars[] AssignedVars[main_~lk12~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,123 INFO L290 TraceCheckUtils]: 20: Hoare triple {468#(not (= main_~p1~0 0))} [308] L132-1-->L136-1: Formula: (and (= v_main_~lk13~0_3 1) (not (= v_main_~p13~0_2 0))) InVars {main_~p13~0=v_main_~p13~0_2} OutVars{main_~p13~0=v_main_~p13~0_2, main_~lk13~0=v_main_~lk13~0_3} AuxVars[] AssignedVars[main_~lk13~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,123 INFO L290 TraceCheckUtils]: 21: Hoare triple {468#(not (= main_~p1~0 0))} [310] L136-1-->L140-1: Formula: (and (not (= v_main_~p14~0_3 0)) (= v_main_~lk14~0_5 1)) InVars {main_~p14~0=v_main_~p14~0_3} OutVars{main_~p14~0=v_main_~p14~0_3, main_~lk14~0=v_main_~lk14~0_5} AuxVars[] AssignedVars[main_~lk14~0] {468#(not (= main_~p1~0 0))} is VALID [2022-04-15 05:01:47,124 INFO L290 TraceCheckUtils]: 22: Hoare triple {468#(not (= main_~p1~0 0))} [313] L140-1-->L146-1: Formula: (= v_main_~p1~0_5 0) InVars {main_~p1~0=v_main_~p1~0_5} OutVars{main_~p1~0=v_main_~p1~0_5} AuxVars[] AssignedVars[] {464#false} is VALID [2022-04-15 05:01:47,124 INFO L290 TraceCheckUtils]: 23: Hoare triple {464#false} [317] L146-1-->L214: Formula: (= v_main_~p2~0_5 0) InVars {main_~p2~0=v_main_~p2~0_5} OutVars{main_~p2~0=v_main_~p2~0_5} AuxVars[] AssignedVars[] {464#false} is VALID [2022-04-15 05:01:47,124 INFO L290 TraceCheckUtils]: 24: Hoare triple {464#false} [318] L214-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {464#false} is VALID [2022-04-15 05:01:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 05:01:47,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 05:01:47,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905108155] [2022-04-15 05:01:47,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905108155] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 05:01:47,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 05:01:47,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 05:01:47,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640483139] [2022-04-15 05:01:47,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 05:01:47,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:47,127 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 05:01:47,127 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,142 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:47,142 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 05:01:47,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 05:01:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 05:01:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 05:01:47,144 INFO L87 Difference]: Start difference. First operand 67 states and 122 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:47,421 INFO L93 Difference]: Finished difference Result 159 states and 295 transitions. [2022-04-15 05:01:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 05:01:47,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:47,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 05:01:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2022-04-15 05:01:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 265 transitions. [2022-04-15 05:01:47,430 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 265 transitions. [2022-04-15 05:01:47,622 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 265 edges. 265 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:47,627 INFO L225 Difference]: With dead ends: 159 [2022-04-15 05:01:47,627 INFO L226 Difference]: Without dead ends: 98 [2022-04-15 05:01:47,628 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-15 05:01:47,629 INFO L913 BasicCegarLoop]: 146 mSDtfsCounter, 187 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 05:01:47,629 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 153 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 05:01:47,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-04-15 05:01:47,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2022-04-15 05:01:47,640 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 05:01:47,642 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,642 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,643 INFO L87 Difference]: Start difference. First operand 98 states. Second operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:47,646 INFO L93 Difference]: Finished difference Result 98 states and 177 transitions. [2022-04-15 05:01:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 177 transitions. [2022-04-15 05:01:47,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:47,648 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:47,648 INFO L74 IsIncluded]: Start isIncluded. First operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 98 states. [2022-04-15 05:01:47,648 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 98 states. [2022-04-15 05:01:47,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:47,658 INFO L93 Difference]: Finished difference Result 98 states and 177 transitions. [2022-04-15 05:01:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 177 transitions. [2022-04-15 05:01:47,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:47,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:47,658 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 05:01:47,658 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 05:01:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 92 states have (on average 1.8804347826086956) internal successors, (173), 92 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2022-04-15 05:01:47,661 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 25 [2022-04-15 05:01:47,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 05:01:47,661 INFO L478 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2022-04-15 05:01:47,661 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2022-04-15 05:01:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-15 05:01:47,662 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 05:01:47,662 INFO L499 BasicCegarLoop]: 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] [2022-04-15 05:01:47,662 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 05:01:47,662 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 05:01:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 05:01:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1621019816, now seen corresponding path program 1 times [2022-04-15 05:01:47,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 05:01:47,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753390868] [2022-04-15 05:01:47,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 05:01:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 05:01:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 05:01:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:47,736 INFO L290 TraceCheckUtils]: 0: Hoare triple {949#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {943#true} is VALID [2022-04-15 05:01:47,736 INFO L290 TraceCheckUtils]: 1: Hoare triple {943#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {943#true} is VALID [2022-04-15 05:01:47,736 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {943#true} {943#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {943#true} is VALID [2022-04-15 05:01:47,737 INFO L272 TraceCheckUtils]: 0: Hoare triple {943#true} [271] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {949#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 05:01:47,737 INFO L290 TraceCheckUtils]: 1: Hoare triple {949#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {943#true} is VALID [2022-04-15 05:01:47,737 INFO L290 TraceCheckUtils]: 2: Hoare triple {943#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {943#true} is VALID [2022-04-15 05:01:47,737 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {943#true} {943#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {943#true} is VALID [2022-04-15 05:01:47,737 INFO L272 TraceCheckUtils]: 4: Hoare triple {943#true} [272] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {943#true} is VALID [2022-04-15 05:01:47,738 INFO L290 TraceCheckUtils]: 5: Hoare triple {943#true} [275] mainENTRY-->L211: Formula: (and (<= |v_main_#t~nondet17_2| 2147483647) (= v_main_~p4~0_1 |v_main_#t~nondet7_2|) (<= |v_main_#t~nondet8_2| 2147483647) (= |v_main_#t~nondet15_2| v_main_~p12~0_1) (= v_main_~p9~0_1 |v_main_#t~nondet12_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (= |v_main_#t~nondet17_2| v_main_~p14~0_2) (= v_main_~p7~0_1 |v_main_#t~nondet10_2|) (<= 0 (+ |v_main_#t~nondet16_2| 2147483648)) (<= |v_main_#t~nondet6_2| 2147483647) (<= |v_main_#t~nondet14_2| 2147483647) (<= |v_main_#t~nondet13_2| 2147483647) (<= 0 (+ |v_main_#t~nondet9_2| 2147483648)) (= v_main_~p1~0_1 |v_main_#t~nondet4_2|) (= v_main_~p5~0_1 |v_main_#t~nondet8_2|) (= v_main_~p6~0_1 |v_main_#t~nondet9_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet10_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet7_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet11_2| 2147483648)) (= |v_main_#t~nondet14_2| v_main_~p11~0_1) (= v_main_~p3~0_2 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet9_2| 2147483647) (= v_main_~p2~0_1 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~p8~0_1 |v_main_#t~nondet11_2|) (<= |v_main_#t~nondet16_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet15_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet13_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet17_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet12_2| 2147483648)) (<= |v_main_#t~nondet7_2| 2147483647) (<= |v_main_#t~nondet11_2| 2147483647) (<= |v_main_#t~nondet10_2| 2147483647) (= |v_main_#t~nondet16_2| v_main_~p13~0_1) (= |v_main_#t~nondet13_2| v_main_~p10~0_1) (<= |v_main_#t~nondet12_2| 2147483647) (<= 0 (+ |v_main_#t~nondet14_2| 2147483648)) (<= |v_main_#t~nondet15_2| 2147483647)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|, main_#t~nondet7=|v_main_#t~nondet7_2|, main_#t~nondet6=|v_main_#t~nondet6_2|, main_#t~nondet9=|v_main_#t~nondet9_2|, main_#t~nondet8=|v_main_#t~nondet8_2|, main_#t~nondet16=|v_main_#t~nondet16_2|, main_#t~nondet15=|v_main_#t~nondet15_2|, main_#t~nondet14=|v_main_#t~nondet14_2|, main_#t~nondet13=|v_main_#t~nondet13_2|, main_#t~nondet17=|v_main_#t~nondet17_2|, main_#t~nondet12=|v_main_#t~nondet12_2|, main_#t~nondet11=|v_main_#t~nondet11_2|, main_#t~nondet10=|v_main_#t~nondet10_2|} OutVars{main_~p13~0=v_main_~p13~0_1, main_~p1~0=v_main_~p1~0_1, main_~lk1~0=v_main_~lk1~0_1, main_~lk12~0=v_main_~lk12~0_1, main_~lk5~0=v_main_~lk5~0_1, main_~p2~0=v_main_~p2~0_1, main_~cond~0=v_main_~cond~0_1, main_~p6~0=v_main_~p6~0_1, main_~p5~0=v_main_~p5~0_1, main_~lk2~0=v_main_~lk2~0_1, main_~lk11~0=v_main_~lk11~0_1, main_~p10~0=v_main_~p10~0_1, main_~p14~0=v_main_~p14~0_2, main_~lk6~0=v_main_~lk6~0_1, main_~p9~0=v_main_~p9~0_1, main_~lk3~0=v_main_~lk3~0_2, main_~lk14~0=v_main_~lk14~0_3, main_~p8~0=v_main_~p8~0_1, main_~lk10~0=v_main_~lk10~0_1, main_~p11~0=v_main_~p11~0_1, main_~lk9~0=v_main_~lk9~0_1, main_~p4~0=v_main_~p4~0_1, main_~lk7~0=v_main_~lk7~0_1, main_~p12~0=v_main_~p12~0_1, main_~lk13~0=v_main_~lk13~0_1, main_~lk4~0=v_main_~lk4~0_1, main_~p3~0=v_main_~p3~0_2, main_~lk8~0=v_main_~lk8~0_1, main_~p7~0=v_main_~p7~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~p13~0, main_#t~nondet4, main_#t~nondet7, main_#t~nondet6, main_~p1~0, main_~lk1~0, main_~lk12~0, main_~lk5~0, main_~p2~0, main_#t~nondet9, main_#t~nondet8, main_~cond~0, main_~p6~0, main_~p5~0, main_~lk2~0, main_~lk11~0, main_~p10~0, main_~p14~0, main_~lk6~0, main_~p9~0, main_~lk3~0, main_~lk14~0, main_~p8~0, main_~lk10~0, main_~p11~0, main_~lk9~0, main_~p4~0, main_~lk7~0, main_#t~nondet16, main_#t~nondet15, main_~p12~0, main_#t~nondet14, main_#t~nondet13, main_~lk13~0, main_#t~nondet17, main_~lk4~0, main_~p3~0, main_#t~nondet12, main_#t~nondet11, main_~lk8~0, main_#t~nondet10, main_~p7~0] {943#true} is VALID [2022-04-15 05:01:47,738 INFO L290 TraceCheckUtils]: 6: Hoare triple {943#true} [279] L211-->L55: Formula: (and (= |v_main_#t~nondet18_2| v_main_~cond~0_2) (<= |v_main_#t~nondet18_2| 2147483647) (<= 0 (+ |v_main_#t~nondet18_2| 2147483648))) InVars {main_#t~nondet18=|v_main_#t~nondet18_2|} OutVars{main_~cond~0=v_main_~cond~0_2} AuxVars[] AssignedVars[main_#t~nondet18, main_~cond~0] {943#true} is VALID [2022-04-15 05:01:47,738 INFO L290 TraceCheckUtils]: 7: Hoare triple {943#true} [282] L55-->L88: Formula: (and (= v_main_~lk9~0_2 0) (= v_main_~lk1~0_2 0) (= v_main_~lk14~0_4 0) (= v_main_~lk7~0_2 0) (= v_main_~lk3~0_5 0) (= v_main_~lk6~0_2 0) (= v_main_~lk12~0_2 0) (= v_main_~lk2~0_2 0) (= v_main_~lk8~0_2 0) (= v_main_~lk13~0_2 0) (= v_main_~lk4~0_5 0) (not (= 0 v_main_~cond~0_4)) (= v_main_~lk5~0_2 0) (= v_main_~lk11~0_2 0) (= v_main_~lk10~0_2 0)) InVars {main_~cond~0=v_main_~cond~0_4} OutVars{main_~lk3~0=v_main_~lk3~0_5, main_~lk14~0=v_main_~lk14~0_4, main_~lk1~0=v_main_~lk1~0_2, main_~lk12~0=v_main_~lk12~0_2, main_~lk10~0=v_main_~lk10~0_2, main_~lk5~0=v_main_~lk5~0_2, main_~lk9~0=v_main_~lk9~0_2, main_~lk7~0=v_main_~lk7~0_2, main_~cond~0=v_main_~cond~0_4, main_~lk2~0=v_main_~lk2~0_2, main_~lk11~0=v_main_~lk11~0_2, main_~lk13~0=v_main_~lk13~0_2, main_~lk4~0=v_main_~lk4~0_5, main_~lk6~0=v_main_~lk6~0_2, main_~lk8~0=v_main_~lk8~0_2} AuxVars[] AssignedVars[main_~lk3~0, main_~lk14~0, main_~lk1~0, main_~lk12~0, main_~lk10~0, main_~lk5~0, main_~lk9~0, main_~lk7~0, main_~lk2~0, main_~lk11~0, main_~lk13~0, main_~lk4~0, main_~lk6~0, main_~lk8~0] {943#true} is VALID [2022-04-15 05:01:47,738 INFO L290 TraceCheckUtils]: 8: Hoare triple {943#true} [285] L88-->L88-2: Formula: (= v_main_~p1~0_3 0) InVars {main_~p1~0=v_main_~p1~0_3} OutVars{main_~p1~0=v_main_~p1~0_3} AuxVars[] AssignedVars[] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,739 INFO L290 TraceCheckUtils]: 9: Hoare triple {948#(= main_~p1~0 0)} [286] L88-2-->L92-1: Formula: (and (= v_main_~lk2~0_3 1) (not (= v_main_~p2~0_2 0))) InVars {main_~p2~0=v_main_~p2~0_2} OutVars{main_~lk2~0=v_main_~lk2~0_3, main_~p2~0=v_main_~p2~0_2} AuxVars[] AssignedVars[main_~lk2~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,739 INFO L290 TraceCheckUtils]: 10: Hoare triple {948#(= main_~p1~0 0)} [288] L92-1-->L96-1: Formula: (and (= v_main_~lk3~0_6 1) (not (= v_main_~p3~0_4 0))) InVars {main_~p3~0=v_main_~p3~0_4} OutVars{main_~p3~0=v_main_~p3~0_4, main_~lk3~0=v_main_~lk3~0_6} AuxVars[] AssignedVars[main_~lk3~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,739 INFO L290 TraceCheckUtils]: 11: Hoare triple {948#(= main_~p1~0 0)} [290] L96-1-->L100-1: Formula: (and (not (= v_main_~p4~0_4 0)) (= v_main_~lk4~0_6 1)) InVars {main_~p4~0=v_main_~p4~0_4} OutVars{main_~p4~0=v_main_~p4~0_4, main_~lk4~0=v_main_~lk4~0_6} AuxVars[] AssignedVars[main_~lk4~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,740 INFO L290 TraceCheckUtils]: 12: Hoare triple {948#(= main_~p1~0 0)} [292] L100-1-->L104-1: Formula: (and (= v_main_~lk5~0_6 1) (not (= v_main_~p5~0_4 0))) InVars {main_~p5~0=v_main_~p5~0_4} OutVars{main_~p5~0=v_main_~p5~0_4, main_~lk5~0=v_main_~lk5~0_6} AuxVars[] AssignedVars[main_~lk5~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,740 INFO L290 TraceCheckUtils]: 13: Hoare triple {948#(= main_~p1~0 0)} [294] L104-1-->L108-1: Formula: (and (not (= v_main_~p6~0_4 0)) (= v_main_~lk6~0_6 1)) InVars {main_~p6~0=v_main_~p6~0_4} OutVars{main_~lk6~0=v_main_~lk6~0_6, main_~p6~0=v_main_~p6~0_4} AuxVars[] AssignedVars[main_~lk6~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,740 INFO L290 TraceCheckUtils]: 14: Hoare triple {948#(= main_~p1~0 0)} [296] L108-1-->L112-1: Formula: (and (not (= v_main_~p7~0_4 0)) (= v_main_~lk7~0_6 1)) InVars {main_~p7~0=v_main_~p7~0_4} OutVars{main_~lk7~0=v_main_~lk7~0_6, main_~p7~0=v_main_~p7~0_4} AuxVars[] AssignedVars[main_~lk7~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,741 INFO L290 TraceCheckUtils]: 15: Hoare triple {948#(= main_~p1~0 0)} [298] L112-1-->L116-1: Formula: (and (= v_main_~lk8~0_6 1) (not (= v_main_~p8~0_4 0))) InVars {main_~p8~0=v_main_~p8~0_4} OutVars{main_~p8~0=v_main_~p8~0_4, main_~lk8~0=v_main_~lk8~0_6} AuxVars[] AssignedVars[main_~lk8~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,741 INFO L290 TraceCheckUtils]: 16: Hoare triple {948#(= main_~p1~0 0)} [300] L116-1-->L120-1: Formula: (and (not (= v_main_~p9~0_3 0)) (= v_main_~lk9~0_4 1)) InVars {main_~p9~0=v_main_~p9~0_3} OutVars{main_~lk9~0=v_main_~lk9~0_4, main_~p9~0=v_main_~p9~0_3} AuxVars[] AssignedVars[main_~lk9~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,741 INFO L290 TraceCheckUtils]: 17: Hoare triple {948#(= main_~p1~0 0)} [302] L120-1-->L124-1: Formula: (and (not (= v_main_~p10~0_2 0)) (= v_main_~lk10~0_3 1)) InVars {main_~p10~0=v_main_~p10~0_2} OutVars{main_~lk10~0=v_main_~lk10~0_3, main_~p10~0=v_main_~p10~0_2} AuxVars[] AssignedVars[main_~lk10~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,742 INFO L290 TraceCheckUtils]: 18: Hoare triple {948#(= main_~p1~0 0)} [304] L124-1-->L128-1: Formula: (and (= v_main_~lk11~0_3 1) (not (= v_main_~p11~0_2 0))) InVars {main_~p11~0=v_main_~p11~0_2} OutVars{main_~lk11~0=v_main_~lk11~0_3, main_~p11~0=v_main_~p11~0_2} AuxVars[] AssignedVars[main_~lk11~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,742 INFO L290 TraceCheckUtils]: 19: Hoare triple {948#(= main_~p1~0 0)} [306] L128-1-->L132-1: Formula: (and (= v_main_~lk12~0_3 1) (not (= v_main_~p12~0_2 0))) InVars {main_~p12~0=v_main_~p12~0_2} OutVars{main_~p12~0=v_main_~p12~0_2, main_~lk12~0=v_main_~lk12~0_3} AuxVars[] AssignedVars[main_~lk12~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,742 INFO L290 TraceCheckUtils]: 20: Hoare triple {948#(= main_~p1~0 0)} [308] L132-1-->L136-1: Formula: (and (= v_main_~lk13~0_3 1) (not (= v_main_~p13~0_2 0))) InVars {main_~p13~0=v_main_~p13~0_2} OutVars{main_~p13~0=v_main_~p13~0_2, main_~lk13~0=v_main_~lk13~0_3} AuxVars[] AssignedVars[main_~lk13~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,743 INFO L290 TraceCheckUtils]: 21: Hoare triple {948#(= main_~p1~0 0)} [310] L136-1-->L140-1: Formula: (and (not (= v_main_~p14~0_3 0)) (= v_main_~lk14~0_5 1)) InVars {main_~p14~0=v_main_~p14~0_3} OutVars{main_~p14~0=v_main_~p14~0_3, main_~lk14~0=v_main_~lk14~0_5} AuxVars[] AssignedVars[main_~lk14~0] {948#(= main_~p1~0 0)} is VALID [2022-04-15 05:01:47,743 INFO L290 TraceCheckUtils]: 22: Hoare triple {948#(= main_~p1~0 0)} [312] L140-1-->L147: Formula: (not (= v_main_~p1~0_4 0)) InVars {main_~p1~0=v_main_~p1~0_4} OutVars{main_~p1~0=v_main_~p1~0_4} AuxVars[] AssignedVars[] {944#false} is VALID [2022-04-15 05:01:47,743 INFO L290 TraceCheckUtils]: 23: Hoare triple {944#false} [314] L147-->L214: Formula: (not (= v_main_~lk1~0_4 1)) InVars {main_~lk1~0=v_main_~lk1~0_4} OutVars{main_~lk1~0=v_main_~lk1~0_4} AuxVars[] AssignedVars[] {944#false} is VALID [2022-04-15 05:01:47,743 INFO L290 TraceCheckUtils]: 24: Hoare triple {944#false} [318] L214-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {944#false} is VALID [2022-04-15 05:01:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 05:01:47,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 05:01:47,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753390868] [2022-04-15 05:01:47,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753390868] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 05:01:47,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 05:01:47,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 05:01:47,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436233259] [2022-04-15 05:01:47,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 05:01:47,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:47,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 05:01:47,745 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,758 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:47,758 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 05:01:47,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 05:01:47,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 05:01:47,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 05:01:47,759 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:47,972 INFO L93 Difference]: Finished difference Result 147 states and 265 transitions. [2022-04-15 05:01:47,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 05:01:47,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:47,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 05:01:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 261 transitions. [2022-04-15 05:01:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 261 transitions. [2022-04-15 05:01:47,977 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 261 transitions. [2022-04-15 05:01:48,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:48,140 INFO L225 Difference]: With dead ends: 147 [2022-04-15 05:01:48,141 INFO L226 Difference]: Without dead ends: 100 [2022-04-15 05:01:48,141 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-15 05:01:48,142 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 209 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 05:01:48,142 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 126 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 05:01:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-04-15 05:01:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2022-04-15 05:01:48,147 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 05:01:48,148 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,148 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,148 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:48,150 INFO L93 Difference]: Finished difference Result 100 states and 177 transitions. [2022-04-15 05:01:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2022-04-15 05:01:48,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:48,151 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:48,151 INFO L74 IsIncluded]: Start isIncluded. First operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 100 states. [2022-04-15 05:01:48,152 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 100 states. [2022-04-15 05:01:48,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:48,154 INFO L93 Difference]: Finished difference Result 100 states and 177 transitions. [2022-04-15 05:01:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2022-04-15 05:01:48,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:48,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:48,155 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 05:01:48,155 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 05:01:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 94 states have (on average 1.8404255319148937) internal successors, (173), 94 states have internal predecessors, (173), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 176 transitions. [2022-04-15 05:01:48,157 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 176 transitions. Word has length 25 [2022-04-15 05:01:48,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 05:01:48,157 INFO L478 AbstractCegarLoop]: Abstraction has 98 states and 176 transitions. [2022-04-15 05:01:48,157 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 176 transitions. [2022-04-15 05:01:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-15 05:01:48,158 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 05:01:48,158 INFO L499 BasicCegarLoop]: 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] [2022-04-15 05:01:48,158 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-15 05:01:48,159 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 05:01:48,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 05:01:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1621020870, now seen corresponding path program 1 times [2022-04-15 05:01:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 05:01:48,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018459170] [2022-04-15 05:01:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 05:01:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 05:01:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 05:01:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 05:01:48,230 INFO L290 TraceCheckUtils]: 0: Hoare triple {1425#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {1419#true} is VALID [2022-04-15 05:01:48,231 INFO L290 TraceCheckUtils]: 1: Hoare triple {1419#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,231 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1419#true} {1419#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,231 INFO L272 TraceCheckUtils]: 0: Hoare triple {1419#true} [271] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1425#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 05:01:48,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {1425#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [273] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= (select |v_#length_1| 2) 18) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {1419#true} is VALID [2022-04-15 05:01:48,232 INFO L290 TraceCheckUtils]: 2: Hoare triple {1419#true} [276] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,232 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1419#true} {1419#true} [370] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,232 INFO L272 TraceCheckUtils]: 4: Hoare triple {1419#true} [272] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,232 INFO L290 TraceCheckUtils]: 5: Hoare triple {1419#true} [275] mainENTRY-->L211: Formula: (and (<= |v_main_#t~nondet17_2| 2147483647) (= v_main_~p4~0_1 |v_main_#t~nondet7_2|) (<= |v_main_#t~nondet8_2| 2147483647) (= |v_main_#t~nondet15_2| v_main_~p12~0_1) (= v_main_~p9~0_1 |v_main_#t~nondet12_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (= |v_main_#t~nondet17_2| v_main_~p14~0_2) (= v_main_~p7~0_1 |v_main_#t~nondet10_2|) (<= 0 (+ |v_main_#t~nondet16_2| 2147483648)) (<= |v_main_#t~nondet6_2| 2147483647) (<= |v_main_#t~nondet14_2| 2147483647) (<= |v_main_#t~nondet13_2| 2147483647) (<= 0 (+ |v_main_#t~nondet9_2| 2147483648)) (= v_main_~p1~0_1 |v_main_#t~nondet4_2|) (= v_main_~p5~0_1 |v_main_#t~nondet8_2|) (= v_main_~p6~0_1 |v_main_#t~nondet9_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet10_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet7_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet11_2| 2147483648)) (= |v_main_#t~nondet14_2| v_main_~p11~0_1) (= v_main_~p3~0_2 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet9_2| 2147483647) (= v_main_~p2~0_1 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~p8~0_1 |v_main_#t~nondet11_2|) (<= |v_main_#t~nondet16_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet15_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet13_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet17_2| 2147483648)) (<= 0 (+ |v_main_#t~nondet12_2| 2147483648)) (<= |v_main_#t~nondet7_2| 2147483647) (<= |v_main_#t~nondet11_2| 2147483647) (<= |v_main_#t~nondet10_2| 2147483647) (= |v_main_#t~nondet16_2| v_main_~p13~0_1) (= |v_main_#t~nondet13_2| v_main_~p10~0_1) (<= |v_main_#t~nondet12_2| 2147483647) (<= 0 (+ |v_main_#t~nondet14_2| 2147483648)) (<= |v_main_#t~nondet15_2| 2147483647)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|, main_#t~nondet7=|v_main_#t~nondet7_2|, main_#t~nondet6=|v_main_#t~nondet6_2|, main_#t~nondet9=|v_main_#t~nondet9_2|, main_#t~nondet8=|v_main_#t~nondet8_2|, main_#t~nondet16=|v_main_#t~nondet16_2|, main_#t~nondet15=|v_main_#t~nondet15_2|, main_#t~nondet14=|v_main_#t~nondet14_2|, main_#t~nondet13=|v_main_#t~nondet13_2|, main_#t~nondet17=|v_main_#t~nondet17_2|, main_#t~nondet12=|v_main_#t~nondet12_2|, main_#t~nondet11=|v_main_#t~nondet11_2|, main_#t~nondet10=|v_main_#t~nondet10_2|} OutVars{main_~p13~0=v_main_~p13~0_1, main_~p1~0=v_main_~p1~0_1, main_~lk1~0=v_main_~lk1~0_1, main_~lk12~0=v_main_~lk12~0_1, main_~lk5~0=v_main_~lk5~0_1, main_~p2~0=v_main_~p2~0_1, main_~cond~0=v_main_~cond~0_1, main_~p6~0=v_main_~p6~0_1, main_~p5~0=v_main_~p5~0_1, main_~lk2~0=v_main_~lk2~0_1, main_~lk11~0=v_main_~lk11~0_1, main_~p10~0=v_main_~p10~0_1, main_~p14~0=v_main_~p14~0_2, main_~lk6~0=v_main_~lk6~0_1, main_~p9~0=v_main_~p9~0_1, main_~lk3~0=v_main_~lk3~0_2, main_~lk14~0=v_main_~lk14~0_3, main_~p8~0=v_main_~p8~0_1, main_~lk10~0=v_main_~lk10~0_1, main_~p11~0=v_main_~p11~0_1, main_~lk9~0=v_main_~lk9~0_1, main_~p4~0=v_main_~p4~0_1, main_~lk7~0=v_main_~lk7~0_1, main_~p12~0=v_main_~p12~0_1, main_~lk13~0=v_main_~lk13~0_1, main_~lk4~0=v_main_~lk4~0_1, main_~p3~0=v_main_~p3~0_2, main_~lk8~0=v_main_~lk8~0_1, main_~p7~0=v_main_~p7~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~p13~0, main_#t~nondet4, main_#t~nondet7, main_#t~nondet6, main_~p1~0, main_~lk1~0, main_~lk12~0, main_~lk5~0, main_~p2~0, main_#t~nondet9, main_#t~nondet8, main_~cond~0, main_~p6~0, main_~p5~0, main_~lk2~0, main_~lk11~0, main_~p10~0, main_~p14~0, main_~lk6~0, main_~p9~0, main_~lk3~0, main_~lk14~0, main_~p8~0, main_~lk10~0, main_~p11~0, main_~lk9~0, main_~p4~0, main_~lk7~0, main_#t~nondet16, main_#t~nondet15, main_~p12~0, main_#t~nondet14, main_#t~nondet13, main_~lk13~0, main_#t~nondet17, main_~lk4~0, main_~p3~0, main_#t~nondet12, main_#t~nondet11, main_~lk8~0, main_#t~nondet10, main_~p7~0] {1419#true} is VALID [2022-04-15 05:01:48,233 INFO L290 TraceCheckUtils]: 6: Hoare triple {1419#true} [279] L211-->L55: Formula: (and (= |v_main_#t~nondet18_2| v_main_~cond~0_2) (<= |v_main_#t~nondet18_2| 2147483647) (<= 0 (+ |v_main_#t~nondet18_2| 2147483648))) InVars {main_#t~nondet18=|v_main_#t~nondet18_2|} OutVars{main_~cond~0=v_main_~cond~0_2} AuxVars[] AssignedVars[main_#t~nondet18, main_~cond~0] {1419#true} is VALID [2022-04-15 05:01:48,233 INFO L290 TraceCheckUtils]: 7: Hoare triple {1419#true} [282] L55-->L88: Formula: (and (= v_main_~lk9~0_2 0) (= v_main_~lk1~0_2 0) (= v_main_~lk14~0_4 0) (= v_main_~lk7~0_2 0) (= v_main_~lk3~0_5 0) (= v_main_~lk6~0_2 0) (= v_main_~lk12~0_2 0) (= v_main_~lk2~0_2 0) (= v_main_~lk8~0_2 0) (= v_main_~lk13~0_2 0) (= v_main_~lk4~0_5 0) (not (= 0 v_main_~cond~0_4)) (= v_main_~lk5~0_2 0) (= v_main_~lk11~0_2 0) (= v_main_~lk10~0_2 0)) InVars {main_~cond~0=v_main_~cond~0_4} OutVars{main_~lk3~0=v_main_~lk3~0_5, main_~lk14~0=v_main_~lk14~0_4, main_~lk1~0=v_main_~lk1~0_2, main_~lk12~0=v_main_~lk12~0_2, main_~lk10~0=v_main_~lk10~0_2, main_~lk5~0=v_main_~lk5~0_2, main_~lk9~0=v_main_~lk9~0_2, main_~lk7~0=v_main_~lk7~0_2, main_~cond~0=v_main_~cond~0_4, main_~lk2~0=v_main_~lk2~0_2, main_~lk11~0=v_main_~lk11~0_2, main_~lk13~0=v_main_~lk13~0_2, main_~lk4~0=v_main_~lk4~0_5, main_~lk6~0=v_main_~lk6~0_2, main_~lk8~0=v_main_~lk8~0_2} AuxVars[] AssignedVars[main_~lk3~0, main_~lk14~0, main_~lk1~0, main_~lk12~0, main_~lk10~0, main_~lk5~0, main_~lk9~0, main_~lk7~0, main_~lk2~0, main_~lk11~0, main_~lk13~0, main_~lk4~0, main_~lk6~0, main_~lk8~0] {1419#true} is VALID [2022-04-15 05:01:48,233 INFO L290 TraceCheckUtils]: 8: Hoare triple {1419#true} [285] L88-->L88-2: Formula: (= v_main_~p1~0_3 0) InVars {main_~p1~0=v_main_~p1~0_3} OutVars{main_~p1~0=v_main_~p1~0_3} AuxVars[] AssignedVars[] {1419#true} is VALID [2022-04-15 05:01:48,233 INFO L290 TraceCheckUtils]: 9: Hoare triple {1419#true} [286] L88-2-->L92-1: Formula: (and (= v_main_~lk2~0_3 1) (not (= v_main_~p2~0_2 0))) InVars {main_~p2~0=v_main_~p2~0_2} OutVars{main_~lk2~0=v_main_~lk2~0_3, main_~p2~0=v_main_~p2~0_2} AuxVars[] AssignedVars[main_~lk2~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,234 INFO L290 TraceCheckUtils]: 10: Hoare triple {1424#(not (= main_~p2~0 0))} [288] L92-1-->L96-1: Formula: (and (= v_main_~lk3~0_6 1) (not (= v_main_~p3~0_4 0))) InVars {main_~p3~0=v_main_~p3~0_4} OutVars{main_~p3~0=v_main_~p3~0_4, main_~lk3~0=v_main_~lk3~0_6} AuxVars[] AssignedVars[main_~lk3~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,234 INFO L290 TraceCheckUtils]: 11: Hoare triple {1424#(not (= main_~p2~0 0))} [290] L96-1-->L100-1: Formula: (and (not (= v_main_~p4~0_4 0)) (= v_main_~lk4~0_6 1)) InVars {main_~p4~0=v_main_~p4~0_4} OutVars{main_~p4~0=v_main_~p4~0_4, main_~lk4~0=v_main_~lk4~0_6} AuxVars[] AssignedVars[main_~lk4~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,234 INFO L290 TraceCheckUtils]: 12: Hoare triple {1424#(not (= main_~p2~0 0))} [292] L100-1-->L104-1: Formula: (and (= v_main_~lk5~0_6 1) (not (= v_main_~p5~0_4 0))) InVars {main_~p5~0=v_main_~p5~0_4} OutVars{main_~p5~0=v_main_~p5~0_4, main_~lk5~0=v_main_~lk5~0_6} AuxVars[] AssignedVars[main_~lk5~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,235 INFO L290 TraceCheckUtils]: 13: Hoare triple {1424#(not (= main_~p2~0 0))} [294] L104-1-->L108-1: Formula: (and (not (= v_main_~p6~0_4 0)) (= v_main_~lk6~0_6 1)) InVars {main_~p6~0=v_main_~p6~0_4} OutVars{main_~lk6~0=v_main_~lk6~0_6, main_~p6~0=v_main_~p6~0_4} AuxVars[] AssignedVars[main_~lk6~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,237 INFO L290 TraceCheckUtils]: 14: Hoare triple {1424#(not (= main_~p2~0 0))} [296] L108-1-->L112-1: Formula: (and (not (= v_main_~p7~0_4 0)) (= v_main_~lk7~0_6 1)) InVars {main_~p7~0=v_main_~p7~0_4} OutVars{main_~lk7~0=v_main_~lk7~0_6, main_~p7~0=v_main_~p7~0_4} AuxVars[] AssignedVars[main_~lk7~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,237 INFO L290 TraceCheckUtils]: 15: Hoare triple {1424#(not (= main_~p2~0 0))} [298] L112-1-->L116-1: Formula: (and (= v_main_~lk8~0_6 1) (not (= v_main_~p8~0_4 0))) InVars {main_~p8~0=v_main_~p8~0_4} OutVars{main_~p8~0=v_main_~p8~0_4, main_~lk8~0=v_main_~lk8~0_6} AuxVars[] AssignedVars[main_~lk8~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,237 INFO L290 TraceCheckUtils]: 16: Hoare triple {1424#(not (= main_~p2~0 0))} [300] L116-1-->L120-1: Formula: (and (not (= v_main_~p9~0_3 0)) (= v_main_~lk9~0_4 1)) InVars {main_~p9~0=v_main_~p9~0_3} OutVars{main_~lk9~0=v_main_~lk9~0_4, main_~p9~0=v_main_~p9~0_3} AuxVars[] AssignedVars[main_~lk9~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,240 INFO L290 TraceCheckUtils]: 17: Hoare triple {1424#(not (= main_~p2~0 0))} [302] L120-1-->L124-1: Formula: (and (not (= v_main_~p10~0_2 0)) (= v_main_~lk10~0_3 1)) InVars {main_~p10~0=v_main_~p10~0_2} OutVars{main_~lk10~0=v_main_~lk10~0_3, main_~p10~0=v_main_~p10~0_2} AuxVars[] AssignedVars[main_~lk10~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,240 INFO L290 TraceCheckUtils]: 18: Hoare triple {1424#(not (= main_~p2~0 0))} [304] L124-1-->L128-1: Formula: (and (= v_main_~lk11~0_3 1) (not (= v_main_~p11~0_2 0))) InVars {main_~p11~0=v_main_~p11~0_2} OutVars{main_~lk11~0=v_main_~lk11~0_3, main_~p11~0=v_main_~p11~0_2} AuxVars[] AssignedVars[main_~lk11~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,240 INFO L290 TraceCheckUtils]: 19: Hoare triple {1424#(not (= main_~p2~0 0))} [306] L128-1-->L132-1: Formula: (and (= v_main_~lk12~0_3 1) (not (= v_main_~p12~0_2 0))) InVars {main_~p12~0=v_main_~p12~0_2} OutVars{main_~p12~0=v_main_~p12~0_2, main_~lk12~0=v_main_~lk12~0_3} AuxVars[] AssignedVars[main_~lk12~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,241 INFO L290 TraceCheckUtils]: 20: Hoare triple {1424#(not (= main_~p2~0 0))} [308] L132-1-->L136-1: Formula: (and (= v_main_~lk13~0_3 1) (not (= v_main_~p13~0_2 0))) InVars {main_~p13~0=v_main_~p13~0_2} OutVars{main_~p13~0=v_main_~p13~0_2, main_~lk13~0=v_main_~lk13~0_3} AuxVars[] AssignedVars[main_~lk13~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,243 INFO L290 TraceCheckUtils]: 21: Hoare triple {1424#(not (= main_~p2~0 0))} [310] L136-1-->L140-1: Formula: (and (not (= v_main_~p14~0_3 0)) (= v_main_~lk14~0_5 1)) InVars {main_~p14~0=v_main_~p14~0_3} OutVars{main_~p14~0=v_main_~p14~0_3, main_~lk14~0=v_main_~lk14~0_5} AuxVars[] AssignedVars[main_~lk14~0] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,244 INFO L290 TraceCheckUtils]: 22: Hoare triple {1424#(not (= main_~p2~0 0))} [313] L140-1-->L146-1: Formula: (= v_main_~p1~0_5 0) InVars {main_~p1~0=v_main_~p1~0_5} OutVars{main_~p1~0=v_main_~p1~0_5} AuxVars[] AssignedVars[] {1424#(not (= main_~p2~0 0))} is VALID [2022-04-15 05:01:48,248 INFO L290 TraceCheckUtils]: 23: Hoare triple {1424#(not (= main_~p2~0 0))} [317] L146-1-->L214: Formula: (= v_main_~p2~0_5 0) InVars {main_~p2~0=v_main_~p2~0_5} OutVars{main_~p2~0=v_main_~p2~0_5} AuxVars[] AssignedVars[] {1420#false} is VALID [2022-04-15 05:01:48,248 INFO L290 TraceCheckUtils]: 24: Hoare triple {1420#false} [318] L214-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1420#false} is VALID [2022-04-15 05:01:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 05:01:48,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 05:01:48,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018459170] [2022-04-15 05:01:48,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018459170] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 05:01:48,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 05:01:48,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 05:01:48,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048898843] [2022-04-15 05:01:48,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 05:01:48,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:48,250 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 05:01:48,250 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,265 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:48,265 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 05:01:48,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 05:01:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 05:01:48,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 05:01:48,266 INFO L87 Difference]: Start difference. First operand 98 states and 176 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:48,414 INFO L93 Difference]: Finished difference Result 220 states and 402 transitions. [2022-04-15 05:01:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 05:01:48,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-15 05:01:48,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 05:01:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2022-04-15 05:01:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2022-04-15 05:01:48,418 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 214 transitions. [2022-04-15 05:01:48,566 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 05:01:48,568 INFO L225 Difference]: With dead ends: 220 [2022-04-15 05:01:48,568 INFO L226 Difference]: Without dead ends: 131 [2022-04-15 05:01:48,569 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-15 05:01:48,570 INFO L913 BasicCegarLoop]: 96 mSDtfsCounter, 185 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 05:01:48,570 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 103 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 05:01:48,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-04-15 05:01:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2022-04-15 05:01:48,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 05:01:48,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,575 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,576 INFO L87 Difference]: Start difference. First operand 131 states. Second operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:48,578 INFO L93 Difference]: Finished difference Result 131 states and 232 transitions. [2022-04-15 05:01:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2022-04-15 05:01:48,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:48,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:48,579 INFO L74 IsIncluded]: Start isIncluded. First operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 131 states. [2022-04-15 05:01:48,579 INFO L87 Difference]: Start difference. First operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 131 states. [2022-04-15 05:01:48,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 05:01:48,582 INFO L93 Difference]: Finished difference Result 131 states and 232 transitions. [2022-04-15 05:01:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2022-04-15 05:01:48,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 05:01:48,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 05:01:48,583 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 05:01:48,583 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 05:01:48,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 125 states have (on average 1.824) internal successors, (228), 125 states have internal predecessors, (228), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 231 transitions. [2022-04-15 05:01:48,586 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 231 transitions. Word has length 25 [2022-04-15 05:01:48,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 05:01:48,586 INFO L478 AbstractCegarLoop]: Abstraction has 129 states and 231 transitions. [2022-04-15 05:01:48,586 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-15 05:01:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2022-04-15 05:01:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-15 05:01:48,586 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 05:01:48,587 INFO L499 BasicCegarLoop]: 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] [2022-04-15 05:01:48,587 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-15 05:01:48,587 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 05:01:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 05:01:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1110486693, now seen corresponding path program 1 times [2022-04-15 05:01:48,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 05:01:48,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759856025] [2022-04-15 05:01:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 05:01:48,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 05:01:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-15 05:01:48,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-15 05:01:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-15 05:01:48,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-15 05:01:48,669 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-15 05:01:48,669 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-15 05:01:48,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-15 05:01:48,673 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-04-15 05:01:48,675 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-04-15 05:01:48,736 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L92-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L92-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L96-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L100-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L100-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2022-04-15 05:01:48,737 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L108-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L116-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L116-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L120-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L136-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L136-1 has no Hoare annotation [2022-04-15 05:01:48,738 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L140-1 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L147 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L146-1 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L214 has no Hoare annotation [2022-04-15 05:01:48,739 WARN L170 areAnnotationChecker]: L214 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L151 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L151 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L162 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L171-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L171-1 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2022-04-15 05:01:48,740 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L181-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L181-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L196-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L196-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2022-04-15 05:01:48,741 WARN L170 areAnnotationChecker]: L201-1 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L207 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L207 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L206-1 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L206-1 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2022-04-15 05:01:48,742 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2022-04-15 05:01:48,742 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-15 05:01:48,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 05:01:48 BasicIcfg [2022-04-15 05:01:48,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-15 05:01:48,744 INFO L158 Benchmark]: Toolchain (without parser) took 3631.60ms. Allocated memory was 205.5MB in the beginning and 283.1MB in the end (delta: 77.6MB). Free memory was 153.7MB in the beginning and 212.8MB in the end (delta: -59.0MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,744 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory was 170.0MB in the beginning and 169.8MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 05:01:48,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.21ms. Allocated memory is still 205.5MB. Free memory was 153.5MB in the beginning and 180.2MB in the end (delta: -26.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,745 INFO L158 Benchmark]: Boogie Preprocessor took 52.49ms. Allocated memory is still 205.5MB. Free memory was 180.2MB in the beginning and 178.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,745 INFO L158 Benchmark]: RCFGBuilder took 447.53ms. Allocated memory is still 205.5MB. Free memory was 178.2MB in the beginning and 162.2MB in the end (delta: 15.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,745 INFO L158 Benchmark]: IcfgTransformer took 32.97ms. Allocated memory is still 205.5MB. Free memory was 161.8MB in the beginning and 159.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,746 INFO L158 Benchmark]: TraceAbstraction took 2802.30ms. Allocated memory was 205.5MB in the beginning and 283.1MB in the end (delta: 77.6MB). Free memory was 158.7MB in the beginning and 212.8MB in the end (delta: -54.1MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. [2022-04-15 05:01:48,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory was 170.0MB in the beginning and 169.8MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.21ms. Allocated memory is still 205.5MB. Free memory was 153.5MB in the beginning and 180.2MB in the end (delta: -26.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.49ms. Allocated memory is still 205.5MB. Free memory was 180.2MB in the beginning and 178.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 447.53ms. Allocated memory is still 205.5MB. Free memory was 178.2MB in the beginning and 162.2MB in the end (delta: 15.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * IcfgTransformer took 32.97ms. Allocated memory is still 205.5MB. Free memory was 161.8MB in the beginning and 159.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2802.30ms. Allocated memory was 205.5MB in the beginning and 283.1MB in the end (delta: 77.6MB). Free memory was 158.7MB in the beginning and 212.8MB in the end (delta: -54.1MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; VAL [p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L88] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L92] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L96] COND TRUE p3 != 0 [L97] lk3 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L100] COND TRUE p4 != 0 [L101] lk4 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L104] COND TRUE p5 != 0 [L105] lk5 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L108] COND TRUE p6 != 0 [L109] lk6 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L112] COND TRUE p7 != 0 [L113] lk7 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L116] COND TRUE p8 != 0 [L117] lk8 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=0, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L120] COND TRUE p9 != 0 [L121] lk9 = 1 VAL [cond=1, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L124] COND TRUE p10 != 0 [L125] lk10 = 1 VAL [cond=1, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L128] COND TRUE p11 != 0 [L129] lk11 = 1 VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L132] COND TRUE p12 != 0 [L133] lk12 = 1 VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L136] COND TRUE p13 != 0 [L137] lk13 = 1 VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L140] COND TRUE p14 != 0 [L141] lk14 = 1 VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L146] COND FALSE !(p1 != 0) VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L151] COND FALSE !(p2 != 0) VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] [L219] reach_error() VAL [cond=1, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=1, lk9=1, p1=0, p10=-1, p11=1, p12=1, p13=-2, p14=1, p2=0, p3=1, p4=1, p5=-3, p6=1, p7=1, p8=1, p9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 824 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 310 IncrementalHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 464 mSDtfsCounter, 310 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-15 05:01:48,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...