/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 20:08:56,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 20:08:56,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 20:08:56,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 20:08:56,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 20:08:56,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 20:08:56,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 20:08:56,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 20:08:56,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 20:08:56,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 20:08:56,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 20:08:56,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 20:08:56,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 20:08:56,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 20:08:56,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 20:08:56,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 20:08:56,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 20:08:56,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 20:08:56,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 20:08:56,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 20:08:56,739 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 20:08:56,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 20:08:56,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 20:08:56,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 20:08:56,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 20:08:56,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 20:08:56,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 20:08:56,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 20:08:56,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 20:08:56,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 20:08:56,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 20:08:56,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 20:08:56,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 20:08:56,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 20:08:56,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 20:08:56,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 20:08:56,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 20:08:56,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 20:08:56,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 20:08:56,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 20:08:56,766 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 20:08:56,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:08:56,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 20:08:56,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 20:08:56,768 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 20:08:56,768 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 20:08:56,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 20:08:56,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 20:08:56,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 20:08:56,991 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 20:08:56,992 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 20:08:56,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound1.c [2022-04-07 20:08:57,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2bbd25/4c258439ab5144bdb54a5f7d4d926307/FLAG96e734495 [2022-04-07 20:08:57,413 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 20:08:57,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound1.c [2022-04-07 20:08:57,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2bbd25/4c258439ab5144bdb54a5f7d4d926307/FLAG96e734495 [2022-04-07 20:08:57,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2bbd25/4c258439ab5144bdb54a5f7d4d926307 [2022-04-07 20:08:57,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 20:08:57,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 20:08:57,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 20:08:57,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 20:08:57,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 20:08:57,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c29f968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57, skipping insertion in model container [2022-04-07 20:08:57,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 20:08:57,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 20:08:57,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound1.c[552,565] [2022-04-07 20:08:57,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:08:57,608 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 20:08:57,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound1.c[552,565] [2022-04-07 20:08:57,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 20:08:57,633 INFO L208 MainTranslator]: Completed translation [2022-04-07 20:08:57,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57 WrapperNode [2022-04-07 20:08:57,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 20:08:57,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 20:08:57,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 20:08:57,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 20:08:57,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 20:08:57,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 20:08:57,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 20:08:57,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 20:08:57,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 20:08:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:08:57,713 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) [2022-04-07 20:08:57,722 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 [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-07 20:08:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 20:08:57,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 20:08:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 20:08:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 20:08:57,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 20:08:57,790 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 20:08:57,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 20:08:57,952 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 20:08:57,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 20:08:57,979 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-07 20:08:57,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:08:57 BoogieIcfgContainer [2022-04-07 20:08:57,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 20:08:57,981 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 20:08:57,981 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 20:08:57,982 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 20:08:57,984 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:08:57" (1/1) ... [2022-04-07 20:08:57,986 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 20:08:58,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:08:58 BasicIcfg [2022-04-07 20:08:58,010 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 20:08:58,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 20:08:58,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 20:08:58,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 20:08:58,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 08:08:57" (1/4) ... [2022-04-07 20:08:58,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:08:58, skipping insertion in model container [2022-04-07 20:08:58,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 08:08:57" (2/4) ... [2022-04-07 20:08:58,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 08:08:58, skipping insertion in model container [2022-04-07 20:08:58,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 08:08:57" (3/4) ... [2022-04-07 20:08:58,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e15ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 08:08:58, skipping insertion in model container [2022-04-07 20:08:58,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 08:08:58" (4/4) ... [2022-04-07 20:08:58,016 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound1.cJordan [2022-04-07 20:08:58,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 20:08:58,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 20:08:58,092 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 20:08:58,097 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-04-07 20:08:58,097 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 20:08:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-07 20:08:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-07 20:08:58,125 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:08:58,126 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:08:58,126 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:08:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:08:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2059041159, now seen corresponding path program 1 times [2022-04-07 20:08:58,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:08:58,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350641976] [2022-04-07 20:08:58,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:08:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:08:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 20:08:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,361 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) 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] {43#true} is VALID [2022-04-07 20:08:58,361 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-07 20:08:58,362 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-07 20:08:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 20:08:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,375 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,377 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 1) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-07 20:08:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,394 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,395 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,396 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 1) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-07 20:08:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,401 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,402 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,402 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,402 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-07 20:08:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,408 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,408 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,409 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,409 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-07 20:08:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,414 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,415 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,415 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,415 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-07 20:08:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,420 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,421 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,421 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,421 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,422 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 20:08:58,423 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) 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] {43#true} is VALID [2022-04-07 20:08:58,423 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-07 20:08:58,423 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-07 20:08:58,423 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-07 20:08:58,423 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {43#true} is VALID [2022-04-07 20:08:58,424 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 1) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-07 20:08:58,424 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,424 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,424 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,425 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 1) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,425 INFO L290 TraceCheckUtils]: 11: Hoare triple {44#false} [125] L26-1-->L28: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {44#false} is VALID [2022-04-07 20:08:58,425 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} [127] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 1) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-07 20:08:58,425 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,425 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,426 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,426 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 1) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,426 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-07 20:08:58,426 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,427 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,427 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,427 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,427 INFO L272 TraceCheckUtils]: 22: Hoare triple {44#false} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-07 20:08:58,428 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,436 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,436 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,436 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,436 INFO L272 TraceCheckUtils]: 27: Hoare triple {44#false} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-07 20:08:58,437 INFO L290 TraceCheckUtils]: 28: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,439 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,439 INFO L290 TraceCheckUtils]: 30: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,440 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,440 INFO L272 TraceCheckUtils]: 32: Hoare triple {44#false} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-07 20:08:58,440 INFO L290 TraceCheckUtils]: 33: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-07 20:08:58,441 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,441 INFO L290 TraceCheckUtils]: 35: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,441 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-07 20:08:58,441 INFO L290 TraceCheckUtils]: 37: Hoare triple {44#false} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {44#false} is VALID [2022-04-07 20:08:58,441 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} [136] L53-2-->L40-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,442 INFO L272 TraceCheckUtils]: 39: Hoare triple {44#false} [139] L40-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~v~0_13 v_main_~y~0_18) (* v_main_~u~0_13 v_main_~y~0_18)) 4294967296) (mod (* v_main_~a~0_18 v_main_~b~0_17) 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~y~0=v_main_~y~0_18, main_~v~0=v_main_~v~0_13, main_~b~0=v_main_~b~0_17, main_~u~0=v_main_~u~0_13, main_~a~0=v_main_~a~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {44#false} is VALID [2022-04-07 20:08:58,442 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} [142] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {44#false} is VALID [2022-04-07 20:08:58,442 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} [146] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,442 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-07 20:08:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-07 20:08:58,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:08:58,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350641976] [2022-04-07 20:08:58,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350641976] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:08:58,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:08:58,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-07 20:08:58,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015178152] [2022-04-07 20:08:58,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:08:58,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-07 20:08:58,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:08:58,454 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:08:58,503 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:08:58,503 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-07 20:08:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:08:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-07 20:08:58,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:08:58,527 INFO L87 Difference]: Start difference. First operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:08:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:58,702 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-07 20:08:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-07 20:08:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-07 20:08:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:08:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:08:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-07 20:08:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:08:58,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-07 20:08:58,715 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 59 transitions. [2022-04-07 20:08:58,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:08:58,789 INFO L225 Difference]: With dead ends: 40 [2022-04-07 20:08:58,790 INFO L226 Difference]: Without dead ends: 35 [2022-04-07 20:08:58,791 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-07 20:08:58,793 INFO L913 BasicCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:08:58,794 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 43 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:08:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-07 20:08:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-07 20:08:58,842 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:08:58,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-07 20:08:58,843 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-07 20:08:58,843 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-07 20:08:58,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:58,848 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-07 20:08:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-07 20:08:58,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:08:58,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:08:58,849 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-07 20:08:58,850 INFO L87 Difference]: Start difference. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-07 20:08:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:58,854 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-07 20:08:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-07 20:08:58,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:08:58,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:08:58,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:08:58,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:08:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-07 20:08:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-07 20:08:58,859 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-07 20:08:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:08:58,860 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-07 20:08:58,860 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-07 20:08:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-07 20:08:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-07 20:08:58,861 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:08:58,861 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:08:58,861 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 20:08:58,862 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:08:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:08:58,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1255008874, now seen corresponding path program 1 times [2022-04-07 20:08:58,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:08:58,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926594356] [2022-04-07 20:08:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:08:58,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:08:58,881 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:08:58,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1429334312] [2022-04-07 20:08:58,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:08:58,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:08:58,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:08:58,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:08:58,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-07 20:08:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:58,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-07 20:08:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 20:08:59,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-07 20:08:59,256 INFO L272 TraceCheckUtils]: 0: Hoare triple {220#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,256 INFO L290 TraceCheckUtils]: 1: Hoare triple {220#true} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) 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] {220#true} is VALID [2022-04-07 20:08:59,259 INFO L290 TraceCheckUtils]: 2: Hoare triple {220#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,259 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {220#true} {220#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,260 INFO L272 TraceCheckUtils]: 4: Hoare triple {220#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,260 INFO L290 TraceCheckUtils]: 5: Hoare triple {220#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,260 INFO L272 TraceCheckUtils]: 6: Hoare triple {220#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 1) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,260 INFO L290 TraceCheckUtils]: 7: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,261 INFO L290 TraceCheckUtils]: 8: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,261 INFO L290 TraceCheckUtils]: 9: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,262 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {220#true} {220#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 1) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,262 INFO L290 TraceCheckUtils]: 11: Hoare triple {220#true} [125] L26-1-->L28: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {220#true} is VALID [2022-04-07 20:08:59,263 INFO L272 TraceCheckUtils]: 12: Hoare triple {220#true} [127] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 1) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,263 INFO L290 TraceCheckUtils]: 13: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,263 INFO L290 TraceCheckUtils]: 14: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,263 INFO L290 TraceCheckUtils]: 15: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,264 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {220#true} {220#true} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~b~0_11 4294967296) 1) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,264 INFO L272 TraceCheckUtils]: 17: Hoare triple {220#true} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,264 INFO L290 TraceCheckUtils]: 18: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,264 INFO L290 TraceCheckUtils]: 19: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,265 INFO L290 TraceCheckUtils]: 20: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,265 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {220#true} {220#true} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,265 INFO L272 TraceCheckUtils]: 22: Hoare triple {220#true} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,265 INFO L290 TraceCheckUtils]: 23: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,265 INFO L290 TraceCheckUtils]: 24: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,266 INFO L290 TraceCheckUtils]: 25: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,266 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {220#true} {220#true} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,266 INFO L272 TraceCheckUtils]: 27: Hoare triple {220#true} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,267 INFO L290 TraceCheckUtils]: 28: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,267 INFO L290 TraceCheckUtils]: 29: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,269 INFO L290 TraceCheckUtils]: 30: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,270 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {220#true} {220#true} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-07 20:08:59,270 INFO L272 TraceCheckUtils]: 32: Hoare triple {220#true} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,271 INFO L290 TraceCheckUtils]: 33: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-07 20:08:59,271 INFO L290 TraceCheckUtils]: 34: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,271 INFO L290 TraceCheckUtils]: 35: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-07 20:08:59,272 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {220#true} {220#true} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-07 20:08:59,273 INFO L290 TraceCheckUtils]: 37: Hoare triple {220#true} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-07 20:08:59,273 INFO L290 TraceCheckUtils]: 38: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [138] L53-2-->L41: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-07 20:08:59,275 INFO L272 TraceCheckUtils]: 39: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [140] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (* v_main_~a~0_15 v_main_~b~0_14) 4294967296) (mod (+ (* v_main_~v~0_10 v_main_~y~0_15) (* v_main_~u~0_10 v_main_~x~0_14)) 4294967296)) 1 0)) InVars {main_~v~0=v_main_~v~0_10, main_~x~0=v_main_~x~0_14, main_~y~0=v_main_~y~0_15, main_~b~0=v_main_~b~0_14, main_~u~0=v_main_~u~0_10, main_~a~0=v_main_~a~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {343#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-07 20:08:59,276 INFO L290 TraceCheckUtils]: 40: Hoare triple {343#(<= 1 |__VERIFIER_assert_#in~cond|)} [142] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {347#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-07 20:08:59,283 INFO L290 TraceCheckUtils]: 41: Hoare triple {347#(<= 1 __VERIFIER_assert_~cond)} [146] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {221#false} is VALID [2022-04-07 20:08:59,284 INFO L290 TraceCheckUtils]: 42: Hoare triple {221#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {221#false} is VALID [2022-04-07 20:08:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-07 20:08:59,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-07 20:08:59,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 20:08:59,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926594356] [2022-04-07 20:08:59,285 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-07 20:08:59,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429334312] [2022-04-07 20:08:59,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429334312] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 20:08:59,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 20:08:59,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 20:08:59,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644533655] [2022-04-07 20:08:59,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 20:08:59,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-07 20:08:59,300 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 20:08:59,301 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:08:59,322 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:08:59,322 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 20:08:59,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 20:08:59,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 20:08:59,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 20:08:59,324 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:08:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:59,606 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-07 20:08:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 20:08:59,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-07 20:08:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 20:08:59,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:08:59,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-07 20:08:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:08:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-07 20:08:59,614 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 68 transitions. [2022-04-07 20:08:59,687 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 20:08:59,688 INFO L225 Difference]: With dead ends: 50 [2022-04-07 20:08:59,689 INFO L226 Difference]: Without dead ends: 50 [2022-04-07 20:08:59,689 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-07 20:08:59,690 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-07 20:08:59,690 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 131 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-07 20:08:59,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-07 20:08:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2022-04-07 20:08:59,695 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 20:08:59,695 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 20:08:59,696 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 20:08:59,696 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 20:08:59,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:59,700 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-07 20:08:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-07 20:08:59,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:08:59,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:08:59,701 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-07 20:08:59,701 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-07 20:08:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 20:08:59,705 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-07 20:08:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-07 20:08:59,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 20:08:59,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 20:08:59,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 20:08:59,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 20:08:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-07 20:08:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2022-04-07 20:08:59,709 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 43 [2022-04-07 20:08:59,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 20:08:59,710 INFO L478 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2022-04-07 20:08:59,710 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-07 20:08:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-04-07 20:08:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-07 20:08:59,711 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 20:08:59,711 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 20:08:59,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-07 20:08:59,929 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:08:59,929 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 20:08:59,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 20:08:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1780836073, now seen corresponding path program 1 times [2022-04-07 20:08:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 20:08:59,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074590052] [2022-04-07 20:08:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:08:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 20:08:59,948 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-07 20:08:59,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019982806] [2022-04-07 20:08:59,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 20:08:59,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-07 20:08:59,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 20:08:59,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-07 20:08:59,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process