/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-07 22:44:05,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 22:44:05,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 22:44:05,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 22:44:05,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 22:44:05,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 22:44:05,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 22:44:05,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 22:44:05,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 22:44:05,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 22:44:05,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 22:44:05,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 22:44:05,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 22:44:05,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 22:44:05,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 22:44:05,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 22:44:05,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 22:44:05,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 22:44:05,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 22:44:05,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 22:44:05,166 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 22:44:05,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 22:44:05,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 22:44:05,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 22:44:05,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 22:44:05,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 22:44:05,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 22:44:05,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 22:44:05,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 22:44:05,182 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-07 22:44:05,201 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 22:44:05,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 22:44:05,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-07 22:44:05,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-07 22:44:05,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-07 22:44:05,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-07 22:44:05,203 INFO L138 SettingsManager]: * Use SBE=true [2022-04-07 22:44:05,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 22:44:05,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 22:44:05,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 22:44:05,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 22:44:05,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-07 22:44:05,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-07 22:44:05,206 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 22:44:05,206 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 22:44:05,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 22:44:05,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 22:44:05,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 22:44:05,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 22:44:05,424 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 22:44:05,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2022-04-07 22:44:05,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41e3e01a/5146a57b31f04d92ada19c198f3db543/FLAG3b2b38b89 [2022-04-07 22:44:05,832 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 22:44:05,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2022-04-07 22:44:05,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41e3e01a/5146a57b31f04d92ada19c198f3db543/FLAG3b2b38b89 [2022-04-07 22:44:05,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41e3e01a/5146a57b31f04d92ada19c198f3db543 [2022-04-07 22:44:05,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 22:44:05,848 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 22:44:05,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 22:44:05,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 22:44:05,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 22:44:05,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 10:44:05" (1/1) ... [2022-04-07 22:44:05,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1e933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:05, skipping insertion in model container [2022-04-07 22:44:05,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 10:44:05" (1/1) ... [2022-04-07 22:44:05,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 22:44:05,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 22:44:06,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2022-04-07 22:44:06,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 22:44:06,028 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 22:44:06,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c[2057,2070] [2022-04-07 22:44:06,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 22:44:06,077 INFO L208 MainTranslator]: Completed translation [2022-04-07 22:44:06,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06 WrapperNode [2022-04-07 22:44:06,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 22:44:06,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 22:44:06,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 22:44:06,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 22:44:06,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 22:44:06,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 22:44:06,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 22:44:06,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 22:44:06,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (1/1) ... [2022-04-07 22:44:06,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 22:44:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 22:44:06,148 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 22:44:06,167 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 22:44:06,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 22:44:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 22:44:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 22:44:06,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 22:44:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 22:44:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 22:44:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 22:44:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 22:44:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 22:44:06,229 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 22:44:06,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 22:44:15,097 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 22:44:15,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 22:44:15,102 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-07 22:44:15,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 10:44:15 BoogieIcfgContainer [2022-04-07 22:44:15,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 22:44:15,104 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 22:44:15,104 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 22:44:15,105 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 22:44:15,107 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 10:44:15" (1/1) ... [2022-04-07 22:44:15,108 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-07 22:44:15,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 10:44:15 BasicIcfg [2022-04-07 22:44:15,126 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 22:44:15,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 22:44:15,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 22:44:15,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 22:44:15,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 10:44:05" (1/4) ... [2022-04-07 22:44:15,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61441fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 10:44:15, skipping insertion in model container [2022-04-07 22:44:15,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 10:44:06" (2/4) ... [2022-04-07 22:44:15,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61441fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 10:44:15, skipping insertion in model container [2022-04-07 22:44:15,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 10:44:15" (3/4) ... [2022-04-07 22:44:15,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61441fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 10:44:15, skipping insertion in model container [2022-04-07 22:44:15,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 10:44:15" (4/4) ... [2022-04-07 22:44:15,131 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.cqvasr [2022-04-07 22:44:15,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-07 22:44:15,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 22:44:15,162 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 22:44:15,166 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-07 22:44:15,167 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 22:44:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-07 22:44:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-07 22:44:15,185 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 22:44:15,185 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 22:44:15,186 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 22:44:15,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 22:44:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1219544613, now seen corresponding path program 1 times [2022-04-07 22:44:15,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 22:44:15,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650351459] [2022-04-07 22:44:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 22:44:15,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 22:44:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:44:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 22:44:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:44:15,695 INFO L290 TraceCheckUtils]: 0: Hoare triple {39#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {31#true} is VALID [2022-04-07 22:44:15,695 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#true} is VALID [2022-04-07 22:44:15,696 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {31#true} {31#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#true} is VALID [2022-04-07 22:44:15,698 INFO L272 TraceCheckUtils]: 0: Hoare triple {31#true} [75] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {39#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 22:44:15,698 INFO L290 TraceCheckUtils]: 1: Hoare triple {39#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {31#true} is VALID [2022-04-07 22:44:15,699 INFO L290 TraceCheckUtils]: 2: Hoare triple {31#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#true} is VALID [2022-04-07 22:44:15,699 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31#true} {31#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#true} is VALID [2022-04-07 22:44:15,699 INFO L272 TraceCheckUtils]: 4: Hoare triple {31#true} [76] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#true} is VALID [2022-04-07 22:44:15,700 INFO L290 TraceCheckUtils]: 5: Hoare triple {31#true} [79] mainENTRY-->L138: Formula: (and (= |v_main_#t~nondet4_2| v_main_~main__x~0_1) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~main__y~0_1 1)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~main__x~0=v_main_~main__x~0_1, main_~main__y~0=v_main_~main__y~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~main__x~0, main_~main__y~0] {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-07 22:44:15,701 INFO L290 TraceCheckUtils]: 6: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-07 22:44:15,702 INFO L290 TraceCheckUtils]: 7: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} is VALID [2022-04-07 22:44:17,836 WARN L290 TraceCheckUtils]: 8: Hoare triple {36#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 1431655764 (+ (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 1431655765)))))} [84] L24-->L52: Formula: (and (= 0 v_main_~main__y~0_2) (= v_main_~main____CPAchecker_TMP_0~0_6 v_~__tmp_31_0~0_1) (= (+ 2 v_main_~main__x~0_3) v_main_~main__x~0_2) (= (mod (mod (mod v_main_~main__x~0_3 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_6} OutVars{~__tmp_31_0~0=v_~__tmp_31_0~0_1, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_6, main_~main__x~0=v_main_~main__x~0_2, main_~main__y~0=v_main_~main__y~0_2} AuxVars[] AssignedVars[~__tmp_31_0~0, main_~main__x~0, main_~main__y~0] {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-07 22:44:17,837 INFO L290 TraceCheckUtils]: 9: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [87] L52-->L42: Formula: (= v_main_~main____CPAchecker_TMP_0~0_7 v_~__tmp_31_0~0_2) InVars {~__tmp_31_0~0=v_~__tmp_31_0~0_2} OutVars{~__tmp_31_0~0=v_~__tmp_31_0~0_2, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_7} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_0~0] {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:44:17,838 INFO L290 TraceCheckUtils]: 10: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [90] L42-->L45: Formula: (and (= v_main_~main____CPAchecker_TMP_0~1_1 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet6_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648))) InVars {main_#t~nondet6=|v_main_#t~nondet6_2|} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_1} AuxVars[] AssignedVars[main_#t~nondet6, main_~main____CPAchecker_TMP_0~1] {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:44:17,839 INFO L290 TraceCheckUtils]: 11: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [95] L45-->L88: Formula: (= v_main_~main____CPAchecker_TMP_0~1_9 0) InVars {main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} AuxVars[] AssignedVars[] {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:44:17,847 INFO L290 TraceCheckUtils]: 12: Hoare triple {37#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [100] L88-->L95: Formula: (and (= v_main_~__tmp_1~0_1 v_main_~__VERIFIER_assert__cond~0_1) (= v_main_~__tmp_1~0_1 (ite (= (mod (mod (mod v_main_~main__x~0_17 4294967296) 3) 4294967296) 0) 1 0)) (= (mod v_main_~main__y~0_8 4294967296) 0)) InVars {main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_1, main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8, main_~__tmp_1~0=v_main_~__tmp_1~0_1} AuxVars[] AssignedVars[main_~__VERIFIER_assert__cond~0, main_~__tmp_1~0] {38#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-07 22:44:17,848 INFO L290 TraceCheckUtils]: 13: Hoare triple {38#(not (= main_~__VERIFIER_assert__cond~0 0))} [104] L95-->L97: Formula: (= v_main_~__VERIFIER_assert__cond~0_3 0) InVars {main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} AuxVars[] AssignedVars[] {32#false} is VALID [2022-04-07 22:44:17,848 INFO L290 TraceCheckUtils]: 14: Hoare triple {32#false} [108] L97-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#false} is VALID [2022-04-07 22:44:17,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 22:44:17,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 22:44:17,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650351459] [2022-04-07 22:44:17,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650351459] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 22:44:17,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 22:44:17,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-07 22:44:17,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982644599] [2022-04-07 22:44:17,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 22:44:17,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-07 22:44:17,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 22:44:17,858 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:44:20,043 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 14 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:44:20,044 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 22:44:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 22:44:20,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 22:44:20,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-07 22:44:20,062 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:44:24,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:26,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:28,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:30,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:33,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:42,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:44,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:46,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:48,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:50,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:44:57,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:01,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:03,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:06,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:08,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:10,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:12,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:19,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:21,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:23,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:45:23,522 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2022-04-07 22:45:23,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-07 22:45:23,642 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-07 22:45:23,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 22:45:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2022-04-07 22:45:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 99 transitions. [2022-04-07 22:45:23,657 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 99 transitions. [2022-04-07 22:45:25,960 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 98 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:45:25,966 INFO L225 Difference]: With dead ends: 71 [2022-04-07 22:45:25,967 INFO L226 Difference]: Without dead ends: 35 [2022-04-07 22:45:25,968 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-07 22:45:25,971 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-04-07 22:45:25,971 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 95 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 20 Unknown, 0 Unchecked, 42.8s Time] [2022-04-07 22:45:25,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-07 22:45:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2022-04-07 22:45:26,012 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 22:45:26,013 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:26,014 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:26,014 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:45:26,017 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-04-07 22:45:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-04-07 22:45:26,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:45:26,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:45:26,018 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-07 22:45:26,019 INFO L87 Difference]: Start difference. First operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-07 22:45:26,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:45:26,022 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2022-04-07 22:45:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-04-07 22:45:26,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:45:26,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:45:26,022 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 22:45:26,022 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 22:45:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-04-07 22:45:26,036 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2022-04-07 22:45:26,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 22:45:26,037 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-04-07 22:45:26,037 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-04-07 22:45:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-07 22:45:26,038 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 22:45:26,038 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 22:45:26,039 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 22:45:26,039 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 22:45:26,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 22:45:26,042 INFO L85 PathProgramCache]: Analyzing trace with hash -791971888, now seen corresponding path program 1 times [2022-04-07 22:45:26,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 22:45:26,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847149318] [2022-04-07 22:45:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 22:45:26,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 22:45:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:45:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 22:45:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:45:26,479 INFO L290 TraceCheckUtils]: 0: Hoare triple {259#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {251#true} is VALID [2022-04-07 22:45:26,479 INFO L290 TraceCheckUtils]: 1: Hoare triple {251#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {251#true} is VALID [2022-04-07 22:45:26,479 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {251#true} {251#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {251#true} is VALID [2022-04-07 22:45:26,480 INFO L272 TraceCheckUtils]: 0: Hoare triple {251#true} [75] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 22:45:26,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {259#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {251#true} is VALID [2022-04-07 22:45:26,481 INFO L290 TraceCheckUtils]: 2: Hoare triple {251#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {251#true} is VALID [2022-04-07 22:45:26,481 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {251#true} {251#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {251#true} is VALID [2022-04-07 22:45:26,481 INFO L272 TraceCheckUtils]: 4: Hoare triple {251#true} [76] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {251#true} is VALID [2022-04-07 22:45:26,482 INFO L290 TraceCheckUtils]: 5: Hoare triple {251#true} [79] mainENTRY-->L138: Formula: (and (= |v_main_#t~nondet4_2| v_main_~main__x~0_1) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~main__y~0_1 1)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~main__x~0=v_main_~main__x~0_1, main_~main__y~0=v_main_~main__y~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~main__x~0, main_~main__y~0] {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-07 22:45:26,482 INFO L290 TraceCheckUtils]: 6: Hoare triple {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-07 22:45:26,483 INFO L290 TraceCheckUtils]: 7: Hoare triple {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-07 22:45:26,484 INFO L290 TraceCheckUtils]: 8: Hoare triple {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} [85] L24-->L35: Formula: (not (= (mod (mod (mod v_main_~main__x~0_4 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_4} OutVars{main_~main__x~0=v_main_~main__x~0_4} AuxVars[] AssignedVars[] {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} is VALID [2022-04-07 22:45:28,622 WARN L290 TraceCheckUtils]: 9: Hoare triple {256#(and (<= main_~main__x~0 2147483647) (or (<= 0 (+ 2147483648 main_~main__x~0)) (< 2863311527 (+ (* 2 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (div main_~main__x~0 4294967296) (* 2863311531 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296))))))} [88] L35-->L61: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_8 v_~__tmp_28_0~0_1) (= (+ v_main_~main__x~0_6 1) v_main_~main__x~0_5) (= 2 (mod (mod (mod v_main_~main__x~0_6 4294967296) 3) 4294967296)) (= 0 v_main_~main__y~0_3)) InVars {main_~main__x~0=v_main_~main__x~0_6, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_8} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_8, main_~main__x~0=v_main_~main__x~0_5, ~__tmp_28_0~0=v_~__tmp_28_0~0_1, main_~main__y~0=v_main_~main__y~0_3} AuxVars[] AssignedVars[~__tmp_28_0~0, main_~main__x~0, main_~main__y~0] {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-07 22:45:28,623 INFO L290 TraceCheckUtils]: 10: Hoare triple {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [91] L61-->L42: Formula: (= v_main_~main____CPAchecker_TMP_0~0_9 v_~__tmp_28_0~0_2) InVars {~__tmp_28_0~0=v_~__tmp_28_0~0_2} OutVars{~__tmp_28_0~0=v_~__tmp_28_0~0_2, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_9} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_0~0] {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:45:28,623 INFO L290 TraceCheckUtils]: 11: Hoare triple {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [90] L42-->L45: Formula: (and (= v_main_~main____CPAchecker_TMP_0~1_1 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet6_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648))) InVars {main_#t~nondet6=|v_main_#t~nondet6_2|} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_1} AuxVars[] AssignedVars[main_#t~nondet6, main_~main____CPAchecker_TMP_0~1] {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:45:28,624 INFO L290 TraceCheckUtils]: 12: Hoare triple {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [95] L45-->L88: Formula: (= v_main_~main____CPAchecker_TMP_0~1_9 0) InVars {main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} AuxVars[] AssignedVars[] {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:45:28,634 INFO L290 TraceCheckUtils]: 13: Hoare triple {257#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [100] L88-->L95: Formula: (and (= v_main_~__tmp_1~0_1 v_main_~__VERIFIER_assert__cond~0_1) (= v_main_~__tmp_1~0_1 (ite (= (mod (mod (mod v_main_~main__x~0_17 4294967296) 3) 4294967296) 0) 1 0)) (= (mod v_main_~main__y~0_8 4294967296) 0)) InVars {main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_1, main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8, main_~__tmp_1~0=v_main_~__tmp_1~0_1} AuxVars[] AssignedVars[main_~__VERIFIER_assert__cond~0, main_~__tmp_1~0] {258#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-07 22:45:28,634 INFO L290 TraceCheckUtils]: 14: Hoare triple {258#(not (= main_~__VERIFIER_assert__cond~0 0))} [104] L95-->L97: Formula: (= v_main_~__VERIFIER_assert__cond~0_3 0) InVars {main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} AuxVars[] AssignedVars[] {252#false} is VALID [2022-04-07 22:45:28,634 INFO L290 TraceCheckUtils]: 15: Hoare triple {252#false} [108] L97-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {252#false} is VALID [2022-04-07 22:45:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 22:45:28,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 22:45:28,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847149318] [2022-04-07 22:45:28,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847149318] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 22:45:28,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 22:45:28,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-07 22:45:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038727824] [2022-04-07 22:45:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 22:45:28,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-07 22:45:28,637 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 22:45:28,637 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:30,817 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 15 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:45:30,818 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-07 22:45:30,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 22:45:30,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-07 22:45:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-07 22:45:30,819 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:45:32,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:35,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:37,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:39,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:41,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:44,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:48,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:50,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:55,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:45:59,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:01,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:06,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:46:06,194 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2022-04-07 22:46:06,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-07 22:46:06,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-07 22:46:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 22:46:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 74 transitions. [2022-04-07 22:46:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 74 transitions. [2022-04-07 22:46:06,198 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 74 transitions. [2022-04-07 22:46:08,410 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 73 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:46:08,411 INFO L225 Difference]: With dead ends: 60 [2022-04-07 22:46:08,411 INFO L226 Difference]: Without dead ends: 40 [2022-04-07 22:46:08,412 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-07 22:46:08,413 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 10 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-04-07 22:46:08,413 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 80 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 11 Unknown, 0 Unchecked, 23.3s Time] [2022-04-07 22:46:08,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-07 22:46:08,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-07 22:46:08,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 22:46:08,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:08,422 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:08,422 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:46:08,424 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-04-07 22:46:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-04-07 22:46:08,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:46:08,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:46:08,425 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-07 22:46:08,425 INFO L87 Difference]: Start difference. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-07 22:46:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:46:08,426 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2022-04-07 22:46:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-04-07 22:46:08,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:46:08,427 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:46:08,427 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 22:46:08,427 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 22:46:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-04-07 22:46:08,428 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 16 [2022-04-07 22:46:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 22:46:08,429 INFO L478 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-04-07 22:46:08,429 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-04-07 22:46:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-07 22:46:08,429 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 22:46:08,429 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 22:46:08,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-07 22:46:08,430 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 22:46:08,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 22:46:08,430 INFO L85 PathProgramCache]: Analyzing trace with hash 364986418, now seen corresponding path program 1 times [2022-04-07 22:46:08,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 22:46:08,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484268845] [2022-04-07 22:46:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 22:46:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 22:46:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:46:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 22:46:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:46:08,594 INFO L290 TraceCheckUtils]: 0: Hoare triple {482#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {475#true} is VALID [2022-04-07 22:46:08,595 INFO L290 TraceCheckUtils]: 1: Hoare triple {475#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,595 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {475#true} {475#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,596 INFO L272 TraceCheckUtils]: 0: Hoare triple {475#true} [75] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {482#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 22:46:08,597 INFO L290 TraceCheckUtils]: 1: Hoare triple {482#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {475#true} is VALID [2022-04-07 22:46:08,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {475#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,597 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {475#true} {475#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,597 INFO L272 TraceCheckUtils]: 4: Hoare triple {475#true} [76] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,597 INFO L290 TraceCheckUtils]: 5: Hoare triple {475#true} [79] mainENTRY-->L138: Formula: (and (= |v_main_#t~nondet4_2| v_main_~main__x~0_1) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~main__y~0_1 1)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~main__x~0=v_main_~main__x~0_1, main_~main__y~0=v_main_~main__y~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~main__x~0, main_~main__y~0] {475#true} is VALID [2022-04-07 22:46:08,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {475#true} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {475#true} is VALID [2022-04-07 22:46:08,598 INFO L290 TraceCheckUtils]: 7: Hoare triple {475#true} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,598 INFO L290 TraceCheckUtils]: 8: Hoare triple {475#true} [85] L24-->L35: Formula: (not (= (mod (mod (mod v_main_~main__x~0_4 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_4} OutVars{main_~main__x~0=v_main_~main__x~0_4} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:08,600 INFO L290 TraceCheckUtils]: 9: Hoare triple {475#true} [89] L35-->L117: Formula: (and (<= |v_main_#t~nondet8_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (not (= 2 (mod (mod (mod v_main_~main__x~0_18 4294967296) 3) 4294967296))) (= v_main_~main____CPAchecker_TMP_1~1_1 |v_main_#t~nondet8_2|)) InVars {main_#t~nondet8=|v_main_#t~nondet8_2|, main_~main__x~0=v_main_~main__x~0_18} OutVars{main_~main__x~0=v_main_~main__x~0_18, main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_1} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_1~1, main_#t~nondet8] {475#true} is VALID [2022-04-07 22:46:08,600 INFO L290 TraceCheckUtils]: 10: Hoare triple {475#true} [92] L117-->L123: Formula: (and (= (+ v_main_~main__x~0_20 4) v_main_~main__x~0_19) (= v_main_~main__y~0_10 1) (= v_main_~main____CPAchecker_TMP_1~1_3 v_~__tmp_22_1~0_2) (= v_main_~main____CPAchecker_TMP_0~0_10 v_~__tmp_22_0~0_2) (not (= v_main_~main____CPAchecker_TMP_1~1_3 0))) InVars {main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_10, main_~main__x~0=v_main_~main__x~0_20} OutVars{main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_10, main_~main__x~0=v_main_~main__x~0_19, main_~main__y~0=v_main_~main__y~0_10, ~__tmp_22_1~0=v_~__tmp_22_1~0_2, ~__tmp_22_0~0=v_~__tmp_22_0~0_2} AuxVars[] AssignedVars[main_~main__x~0, main_~main__y~0, ~__tmp_22_1~0, ~__tmp_22_0~0] {475#true} is VALID [2022-04-07 22:46:08,600 INFO L290 TraceCheckUtils]: 11: Hoare triple {475#true} [96] L123-->L138: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_11 v_~__tmp_22_0~0_3) (= v_main_~main____CPAchecker_TMP_1~1_4 v_~__tmp_22_1~0_3)) InVars {~__tmp_22_1~0=v_~__tmp_22_1~0_3, ~__tmp_22_0~0=v_~__tmp_22_0~0_3} OutVars{main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_4, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_11, ~__tmp_22_1~0=v_~__tmp_22_1~0_3, ~__tmp_22_0~0=v_~__tmp_22_0~0_3} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_1~1, main_~main____CPAchecker_TMP_0~0] {475#true} is VALID [2022-04-07 22:46:08,601 INFO L290 TraceCheckUtils]: 12: Hoare triple {475#true} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {475#true} is VALID [2022-04-07 22:46:08,601 INFO L290 TraceCheckUtils]: 13: Hoare triple {475#true} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {475#true} is VALID [2022-04-07 22:46:10,772 WARN L290 TraceCheckUtils]: 14: Hoare triple {475#true} [84] L24-->L52: Formula: (and (= 0 v_main_~main__y~0_2) (= v_main_~main____CPAchecker_TMP_0~0_6 v_~__tmp_31_0~0_1) (= (+ 2 v_main_~main__x~0_3) v_main_~main__x~0_2) (= (mod (mod (mod v_main_~main__x~0_3 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_6} OutVars{~__tmp_31_0~0=v_~__tmp_31_0~0_1, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_6, main_~main__x~0=v_main_~main__x~0_2, main_~main__y~0=v_main_~main__y~0_2} AuxVars[] AssignedVars[~__tmp_31_0~0, main_~main__x~0, main_~main__y~0] {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-07 22:46:10,773 INFO L290 TraceCheckUtils]: 15: Hoare triple {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [87] L52-->L42: Formula: (= v_main_~main____CPAchecker_TMP_0~0_7 v_~__tmp_31_0~0_2) InVars {~__tmp_31_0~0=v_~__tmp_31_0~0_2} OutVars{~__tmp_31_0~0=v_~__tmp_31_0~0_2, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_7} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_0~0] {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:46:10,775 INFO L290 TraceCheckUtils]: 16: Hoare triple {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [90] L42-->L45: Formula: (and (= v_main_~main____CPAchecker_TMP_0~1_1 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet6_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648))) InVars {main_#t~nondet6=|v_main_#t~nondet6_2|} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_1} AuxVars[] AssignedVars[main_#t~nondet6, main_~main____CPAchecker_TMP_0~1] {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:46:10,779 INFO L290 TraceCheckUtils]: 17: Hoare triple {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [95] L45-->L88: Formula: (= v_main_~main____CPAchecker_TMP_0~1_9 0) InVars {main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} AuxVars[] AssignedVars[] {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:46:10,785 INFO L290 TraceCheckUtils]: 18: Hoare triple {480#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [100] L88-->L95: Formula: (and (= v_main_~__tmp_1~0_1 v_main_~__VERIFIER_assert__cond~0_1) (= v_main_~__tmp_1~0_1 (ite (= (mod (mod (mod v_main_~main__x~0_17 4294967296) 3) 4294967296) 0) 1 0)) (= (mod v_main_~main__y~0_8 4294967296) 0)) InVars {main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_1, main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8, main_~__tmp_1~0=v_main_~__tmp_1~0_1} AuxVars[] AssignedVars[main_~__VERIFIER_assert__cond~0, main_~__tmp_1~0] {481#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-07 22:46:10,786 INFO L290 TraceCheckUtils]: 19: Hoare triple {481#(not (= main_~__VERIFIER_assert__cond~0 0))} [104] L95-->L97: Formula: (= v_main_~__VERIFIER_assert__cond~0_3 0) InVars {main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} AuxVars[] AssignedVars[] {476#false} is VALID [2022-04-07 22:46:10,786 INFO L290 TraceCheckUtils]: 20: Hoare triple {476#false} [108] L97-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {476#false} is VALID [2022-04-07 22:46:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-07 22:46:10,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 22:46:10,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484268845] [2022-04-07 22:46:10,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484268845] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 22:46:10,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 22:46:10,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 22:46:10,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698697927] [2022-04-07 22:46:10,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 22:46:10,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-07 22:46:10,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 22:46:10,788 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:12,999 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 18 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:46:13,000 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 22:46:13,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 22:46:13,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 22:46:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 22:46:13,001 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:17,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:23,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:25,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:30,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:32,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:36,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:41,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:43,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:47,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:54,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:56,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:46:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:46:58,920 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2022-04-07 22:46:58,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 22:46:58,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-07 22:46:58,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 22:46:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-04-07 22:46:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:46:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 74 transitions. [2022-04-07 22:46:58,924 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 74 transitions. [2022-04-07 22:47:03,344 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 72 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-07 22:47:03,346 INFO L225 Difference]: With dead ends: 65 [2022-04-07 22:47:03,346 INFO L226 Difference]: Without dead ends: 45 [2022-04-07 22:47:03,346 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 22:47:03,347 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-04-07 22:47:03,347 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 56 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 11 Unknown, 0 Unchecked, 23.3s Time] [2022-04-07 22:47:03,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-07 22:47:03,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-04-07 22:47:03,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 22:47:03,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:03,359 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:03,360 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:03,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:47:03,362 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-04-07 22:47:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-04-07 22:47:03,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:47:03,362 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:47:03,362 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-07 22:47:03,363 INFO L87 Difference]: Start difference. First operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-07 22:47:03,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:47:03,364 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-04-07 22:47:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-04-07 22:47:03,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:47:03,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:47:03,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 22:47:03,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 22:47:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.3) internal successors, (39), 30 states have internal predecessors, (39), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-04-07 22:47:03,366 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2022-04-07 22:47:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 22:47:03,366 INFO L478 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-04-07 22:47:03,366 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-04-07 22:47:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-07 22:47:03,367 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 22:47:03,367 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 22:47:03,367 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-07 22:47:03,367 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 22:47:03,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 22:47:03,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1083849817, now seen corresponding path program 1 times [2022-04-07 22:47:03,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 22:47:03,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566902854] [2022-04-07 22:47:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 22:47:03,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 22:47:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:47:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 22:47:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 22:47:03,540 INFO L290 TraceCheckUtils]: 0: Hoare triple {720#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {713#true} is VALID [2022-04-07 22:47:03,540 INFO L290 TraceCheckUtils]: 1: Hoare triple {713#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,541 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {713#true} {713#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,544 INFO L272 TraceCheckUtils]: 0: Hoare triple {713#true} [75] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {720#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 22:47:03,544 INFO L290 TraceCheckUtils]: 1: Hoare triple {720#(and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|))} [77] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~__tmp_31_0~0_4 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= 0 v_~__tmp_22_0~0_4) (= v_~__tmp_25_0~0_4 0) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 0 v_~__return_main~0_4) (= 23 (select |v_#length_1| 2)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 0 v_~__tmp_22_1~0_4) (= v_~__tmp_28_0~0_4 0) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~__return_65~0_2 0) (= v_~__tmp_25_1~0_4 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~__tmp_25_1~0=v_~__tmp_25_1~0_4, ~__tmp_25_0~0=v_~__tmp_25_0~0_4, ~__tmp_28_0~0=v_~__tmp_28_0~0_4, #NULL.offset=|v_#NULL.offset_1|, ~__return_65~0=v_~__return_65~0_2, #NULL.base=|v_#NULL.base_1|, ~__tmp_22_1~0=v_~__tmp_22_1~0_4, ~__tmp_22_0~0=v_~__tmp_22_0~0_4, ~__return_main~0=v_~__return_main~0_4, #StackHeapBarrier=|v_#StackHeapBarrier_1|, ~__tmp_31_0~0=v_~__tmp_31_0~0_4, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|} AuxVars[] AssignedVars[~__tmp_25_1~0, ~__return_main~0, ~__tmp_25_0~0, ~__tmp_31_0~0, ~__tmp_28_0~0, #NULL.offset, ~__return_65~0, #NULL.base, ~__tmp_22_1~0, ~__tmp_22_0~0] {713#true} is VALID [2022-04-07 22:47:03,544 INFO L290 TraceCheckUtils]: 2: Hoare triple {713#true} [80] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {713#true} {713#true} [110] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L272 TraceCheckUtils]: 4: Hoare triple {713#true} [76] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 5: Hoare triple {713#true} [79] mainENTRY-->L138: Formula: (and (= |v_main_#t~nondet4_2| v_main_~main__x~0_1) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~main__y~0_1 1)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~main__x~0=v_main_~main__x~0_1, main_~main__y~0=v_main_~main__y~0_1} AuxVars[] AssignedVars[main_#t~nondet4, main_~main__x~0, main_~main__y~0] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 6: Hoare triple {713#true} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 7: Hoare triple {713#true} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 8: Hoare triple {713#true} [85] L24-->L35: Formula: (not (= (mod (mod (mod v_main_~main__x~0_4 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_4} OutVars{main_~main__x~0=v_main_~main__x~0_4} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 9: Hoare triple {713#true} [89] L35-->L117: Formula: (and (<= |v_main_#t~nondet8_2| 2147483647) (<= 0 (+ |v_main_#t~nondet8_2| 2147483648)) (not (= 2 (mod (mod (mod v_main_~main__x~0_18 4294967296) 3) 4294967296))) (= v_main_~main____CPAchecker_TMP_1~1_1 |v_main_#t~nondet8_2|)) InVars {main_#t~nondet8=|v_main_#t~nondet8_2|, main_~main__x~0=v_main_~main__x~0_18} OutVars{main_~main__x~0=v_main_~main__x~0_18, main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_1} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_1~1, main_#t~nondet8] {713#true} is VALID [2022-04-07 22:47:03,545 INFO L290 TraceCheckUtils]: 10: Hoare triple {713#true} [92] L117-->L123: Formula: (and (= (+ v_main_~main__x~0_20 4) v_main_~main__x~0_19) (= v_main_~main__y~0_10 1) (= v_main_~main____CPAchecker_TMP_1~1_3 v_~__tmp_22_1~0_2) (= v_main_~main____CPAchecker_TMP_0~0_10 v_~__tmp_22_0~0_2) (not (= v_main_~main____CPAchecker_TMP_1~1_3 0))) InVars {main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_10, main_~main__x~0=v_main_~main__x~0_20} OutVars{main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_3, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_10, main_~main__x~0=v_main_~main__x~0_19, main_~main__y~0=v_main_~main__y~0_10, ~__tmp_22_1~0=v_~__tmp_22_1~0_2, ~__tmp_22_0~0=v_~__tmp_22_0~0_2} AuxVars[] AssignedVars[main_~main__x~0, main_~main__y~0, ~__tmp_22_1~0, ~__tmp_22_0~0] {713#true} is VALID [2022-04-07 22:47:03,546 INFO L290 TraceCheckUtils]: 11: Hoare triple {713#true} [96] L123-->L138: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_11 v_~__tmp_22_0~0_3) (= v_main_~main____CPAchecker_TMP_1~1_4 v_~__tmp_22_1~0_3)) InVars {~__tmp_22_1~0=v_~__tmp_22_1~0_3, ~__tmp_22_0~0=v_~__tmp_22_0~0_3} OutVars{main_~main____CPAchecker_TMP_1~1=v_main_~main____CPAchecker_TMP_1~1_4, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_11, ~__tmp_22_1~0=v_~__tmp_22_1~0_3, ~__tmp_22_0~0=v_~__tmp_22_0~0_3} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_1~1, main_~main____CPAchecker_TMP_0~0] {713#true} is VALID [2022-04-07 22:47:03,546 INFO L290 TraceCheckUtils]: 12: Hoare triple {713#true} [81] L138-->L22: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_2 |v_main_#t~nondet5_2|) (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648))) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_~main____CPAchecker_TMP_0~0] {713#true} is VALID [2022-04-07 22:47:03,546 INFO L290 TraceCheckUtils]: 13: Hoare triple {713#true} [82] L22-->L24: Formula: (not (= v_main_~main____CPAchecker_TMP_0~0_5 0)) InVars {main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_5} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:03,546 INFO L290 TraceCheckUtils]: 14: Hoare triple {713#true} [85] L24-->L35: Formula: (not (= (mod (mod (mod v_main_~main__x~0_4 4294967296) 3) 4294967296) 1)) InVars {main_~main__x~0=v_main_~main__x~0_4} OutVars{main_~main__x~0=v_main_~main__x~0_4} AuxVars[] AssignedVars[] {713#true} is VALID [2022-04-07 22:47:05,723 WARN L290 TraceCheckUtils]: 15: Hoare triple {713#true} [88] L35-->L61: Formula: (and (= v_main_~main____CPAchecker_TMP_0~0_8 v_~__tmp_28_0~0_1) (= (+ v_main_~main__x~0_6 1) v_main_~main__x~0_5) (= 2 (mod (mod (mod v_main_~main__x~0_6 4294967296) 3) 4294967296)) (= 0 v_main_~main__y~0_3)) InVars {main_~main__x~0=v_main_~main__x~0_6, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_8} OutVars{main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_8, main_~main__x~0=v_main_~main__x~0_5, ~__tmp_28_0~0=v_~__tmp_28_0~0_1, main_~main__y~0=v_main_~main__y~0_3} AuxVars[] AssignedVars[~__tmp_28_0~0, main_~main__x~0, main_~main__y~0] {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is UNKNOWN [2022-04-07 22:47:05,724 INFO L290 TraceCheckUtils]: 16: Hoare triple {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [91] L61-->L42: Formula: (= v_main_~main____CPAchecker_TMP_0~0_9 v_~__tmp_28_0~0_2) InVars {~__tmp_28_0~0=v_~__tmp_28_0~0_2} OutVars{~__tmp_28_0~0=v_~__tmp_28_0~0_2, main_~main____CPAchecker_TMP_0~0=v_main_~main____CPAchecker_TMP_0~0_9} AuxVars[] AssignedVars[main_~main____CPAchecker_TMP_0~0] {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:47:05,724 INFO L290 TraceCheckUtils]: 17: Hoare triple {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [90] L42-->L45: Formula: (and (= v_main_~main____CPAchecker_TMP_0~1_1 |v_main_#t~nondet6_2|) (<= |v_main_#t~nondet6_2| 2147483647) (<= 0 (+ |v_main_#t~nondet6_2| 2147483648))) InVars {main_#t~nondet6=|v_main_#t~nondet6_2|} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_1} AuxVars[] AssignedVars[main_#t~nondet6, main_~main____CPAchecker_TMP_0~1] {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:47:05,725 INFO L290 TraceCheckUtils]: 18: Hoare triple {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [95] L45-->L88: Formula: (= v_main_~main____CPAchecker_TMP_0~1_9 0) InVars {main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} OutVars{main_~main____CPAchecker_TMP_0~1=v_main_~main____CPAchecker_TMP_0~1_9} AuxVars[] AssignedVars[] {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} is VALID [2022-04-07 22:47:05,731 INFO L290 TraceCheckUtils]: 19: Hoare triple {718#(<= main_~main__x~0 (+ (* (div main_~main__x~0 4294967296) 4294967296) (* 3 (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) (* (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) (* (- 3) (div (+ (* (div main_~main__x~0 4294967296) (- 4294967296)) main_~main__x~0) 3)) main_~main__x~0) 4294967296) 4294967296)))} [100] L88-->L95: Formula: (and (= v_main_~__tmp_1~0_1 v_main_~__VERIFIER_assert__cond~0_1) (= v_main_~__tmp_1~0_1 (ite (= (mod (mod (mod v_main_~main__x~0_17 4294967296) 3) 4294967296) 0) 1 0)) (= (mod v_main_~main__y~0_8 4294967296) 0)) InVars {main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_1, main_~main__x~0=v_main_~main__x~0_17, main_~main__y~0=v_main_~main__y~0_8, main_~__tmp_1~0=v_main_~__tmp_1~0_1} AuxVars[] AssignedVars[main_~__VERIFIER_assert__cond~0, main_~__tmp_1~0] {719#(not (= main_~__VERIFIER_assert__cond~0 0))} is VALID [2022-04-07 22:47:05,731 INFO L290 TraceCheckUtils]: 20: Hoare triple {719#(not (= main_~__VERIFIER_assert__cond~0 0))} [104] L95-->L97: Formula: (= v_main_~__VERIFIER_assert__cond~0_3 0) InVars {main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} OutVars{main_~__VERIFIER_assert__cond~0=v_main_~__VERIFIER_assert__cond~0_3} AuxVars[] AssignedVars[] {714#false} is VALID [2022-04-07 22:47:05,731 INFO L290 TraceCheckUtils]: 21: Hoare triple {714#false} [108] L97-->mainErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {714#false} is VALID [2022-04-07 22:47:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-07 22:47:05,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 22:47:05,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566902854] [2022-04-07 22:47:05,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566902854] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 22:47:05,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 22:47:05,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-07 22:47:05,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067548748] [2022-04-07 22:47:05,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 22:47:05,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-07 22:47:05,733 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 22:47:05,733 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:07,921 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 18 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-07 22:47:07,921 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-07 22:47:07,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 22:47:07,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-07 22:47:07,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-07 22:47:07,922 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:12,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:14,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:16,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:18,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:23,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:25,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:27,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:29,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:34,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:36,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:40,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:42,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-07 22:47:42,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:47:42,974 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2022-04-07 22:47:42,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 22:47:42,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-07 22:47:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 22:47:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-07 22:47:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2022-04-07 22:47:42,976 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 65 transitions. [2022-04-07 22:47:47,383 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 63 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-04-07 22:47:47,383 INFO L225 Difference]: With dead ends: 59 [2022-04-07 22:47:47,383 INFO L226 Difference]: Without dead ends: 0 [2022-04-07 22:47:47,384 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 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 22:47:47,384 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-04-07 22:47:47,385 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 59 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 12 Unknown, 0 Unchecked, 25.1s Time] [2022-04-07 22:47:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-07 22:47:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-07 22:47:47,385 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-07 22:47:47,385 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 22:47:47,385 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 22:47:47,386 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 22:47:47,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:47:47,386 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-07 22:47:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 22:47:47,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:47:47,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:47:47,386 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-07 22:47:47,386 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-07 22:47:47,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 22:47:47,386 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-07 22:47:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 22:47:47,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:47:47,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-07 22:47:47,386 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-07 22:47:47,386 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-07 22:47:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-07 22:47:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-07 22:47:47,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-04-07 22:47:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-07 22:47:47,387 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-07 22:47:47,387 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-07 22:47:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-07 22:47:47,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-07 22:47:47,389 INFO L788 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-07 22:47:47,391 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-07 22:47:47,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-07 22:47:47,452 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= ~__return_main~0 |old(~__return_main~0)|) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-07 22:47:47,452 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-07 22:47:47,452 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-07 22:47:47,452 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-07 22:47:47,452 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-07 22:47:47,452 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 15 147) the Hoare annotation is: (and (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0)) [2022-04-07 22:47:47,453 INFO L885 garLoopResultBuilder]: At program point L138(lines 16 147) the Hoare annotation is: true [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point L22(lines 22 146) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point L24(lines 24 141) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 15 147) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L878 garLoopResultBuilder]: At program point L52(lines 24 141) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point L35(lines 35 140) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 15 147) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L878 garLoopResultBuilder]: At program point L42(lines 24 141) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-07 22:47:47,453 INFO L878 garLoopResultBuilder]: At program point L61(lines 36 112) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* .cse0 4294967296) (* 3 .cse1) (* (div (+ .cse2 (* (- 3) .cse1) main_~main__x~0) 4294967296) 4294967296)))))) [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point L117(lines 117 139) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L882 garLoopResultBuilder]: For program point L45(lines 45 111) no Hoare annotation was computed. [2022-04-07 22:47:47,453 INFO L885 garLoopResultBuilder]: At program point L123(lines 35 140) the Hoare annotation is: true [2022-04-07 22:47:47,454 INFO L885 garLoopResultBuilder]: At program point L135(lines 35 140) the Hoare annotation is: true [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L47(lines 47 84) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L88(lines 88 110) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L56(lines 56 83) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L95(lines 95 104) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-04-07 22:47:47,454 INFO L882 garLoopResultBuilder]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2022-04-07 22:47:47,456 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-07 22:47:47,457 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-07 22:47:47,460 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-04-07 22:47:47,461 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-07 22:47:47,462 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-07 22:47:47,462 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-07 22:47:47,462 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-07 22:47:47,462 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-07 22:47:47,463 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2022-04-07 22:47:47,464 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2022-04-07 22:47:47,464 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-07 22:47:47,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 10:47:47 BasicIcfg [2022-04-07 22:47:47,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-07 22:47:47,474 INFO L158 Benchmark]: Toolchain (without parser) took 221625.87ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 136.8MB in the beginning and 123.7MB in the end (delta: 13.1MB). Peak memory consumption was 63.9MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,474 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-07 22:47:47,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.87ms. Allocated memory is still 187.7MB. Free memory was 136.6MB in the beginning and 163.6MB in the end (delta: -27.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,475 INFO L158 Benchmark]: Boogie Preprocessor took 23.78ms. Allocated memory is still 187.7MB. Free memory was 163.6MB in the beginning and 161.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,475 INFO L158 Benchmark]: RCFGBuilder took 9000.58ms. Allocated memory is still 187.7MB. Free memory was 161.9MB in the beginning and 148.4MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,475 INFO L158 Benchmark]: IcfgTransformer took 21.62ms. Allocated memory is still 187.7MB. Free memory was 148.4MB in the beginning and 146.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,475 INFO L158 Benchmark]: TraceAbstraction took 212346.72ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 146.3MB in the beginning and 123.7MB in the end (delta: 22.6MB). Peak memory consumption was 73.9MB. Max. memory is 8.0GB. [2022-04-07 22:47:47,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.87ms. Allocated memory is still 187.7MB. Free memory was 136.6MB in the beginning and 163.6MB in the end (delta: -27.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.78ms. Allocated memory is still 187.7MB. Free memory was 163.6MB in the beginning and 161.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 9000.58ms. Allocated memory is still 187.7MB. Free memory was 161.9MB in the beginning and 148.4MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 21.62ms. Allocated memory is still 187.7MB. Free memory was 148.4MB in the beginning and 146.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 212346.72ms. Allocated memory was 187.7MB in the beginning and 238.0MB in the end (delta: 50.3MB). Free memory was 146.3MB in the beginning and 123.7MB in the end (delta: 22.6MB). Peak memory consumption was 73.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 212.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 193.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 54 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 114.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 108.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 104 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=2, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 181 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 1163 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= main__x / 4294967296 * 4294967296 + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + (main__x / 4294967296 * -4294967296 + -3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + main__x) / 4294967296 * 4294967296 RESULT: Ultimate proved your program to be correct! [2022-04-07 22:47:47,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...