/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 19:23:31,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 19:23:31,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 19:23:31,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 19:23:31,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 19:23:31,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 19:23:31,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 19:23:31,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 19:23:31,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 19:23:31,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 19:23:31,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 19:23:31,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 19:23:31,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 19:23:31,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 19:23:31,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 19:23:31,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 19:23:31,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 19:23:31,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 19:23:31,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 19:23:31,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 19:23:31,964 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 19:23:31,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 19:23:31,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 19:23:31,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 19:23:31,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 19:23:31,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 19:23:31,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 19:23:31,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 19:23:31,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 19:23:31,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 19:23:31,991 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 19:23:31,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 19:23:31,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 19:23:31,992 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 19:23:31,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 19:23:31,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 19:23:31,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 19:23:31,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 19:23:31,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:23:31,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 19:23:31,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 19:23:31,994 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 19:23:31,994 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 19:23:32,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 19:23:32,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 19:23:32,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 19:23:32,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 19:23:32,164 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 19:23:32,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound5.c [2022-04-27 19:23:32,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e41cd55c/737ea78e708f4157ae9dce0ab994503a/FLAGdd9a6279d [2022-04-27 19:23:32,597 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 19:23:32,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound5.c [2022-04-27 19:23:32,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e41cd55c/737ea78e708f4157ae9dce0ab994503a/FLAGdd9a6279d [2022-04-27 19:23:32,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e41cd55c/737ea78e708f4157ae9dce0ab994503a [2022-04-27 19:23:32,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 19:23:32,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 19:23:32,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 19:23:32,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 19:23:32,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 19:23:32,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f9227b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32, skipping insertion in model container [2022-04-27 19:23:32,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 19:23:32,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 19:23:32,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2022-04-27 19:23:32,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:23:32,810 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 19:23:32,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/lcm1_valuebound5.c[552,565] [2022-04-27 19:23:32,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 19:23:32,848 INFO L208 MainTranslator]: Completed translation [2022-04-27 19:23:32,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32 WrapperNode [2022-04-27 19:23:32,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 19:23:32,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 19:23:32,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 19:23:32,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 19:23:32,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 19:23:32,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 19:23:32,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 19:23:32,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 19:23:32,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (1/1) ... [2022-04-27 19:23:32,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:23:32,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:23:32,928 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) [2022-04-27 19:23:32,943 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 [2022-04-27 19:23:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 19:23:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 19:23:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 19:23:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 19:23:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 19:23:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 19:23:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 19:23:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 19:23:33,027 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 19:23:33,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 19:23:33,176 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 19:23:33,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 19:23:33,181 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-27 19:23:33,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:23:33 BoogieIcfgContainer [2022-04-27 19:23:33,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 19:23:33,183 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 19:23:33,183 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 19:23:33,184 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 19:23:33,186 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:23:33" (1/1) ... [2022-04-27 19:23:33,187 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 19:23:33,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:23:33 BasicIcfg [2022-04-27 19:23:33,209 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 19:23:33,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 19:23:33,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 19:23:33,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 19:23:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 07:23:32" (1/4) ... [2022-04-27 19:23:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18579125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:23:33, skipping insertion in model container [2022-04-27 19:23:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:23:32" (2/4) ... [2022-04-27 19:23:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18579125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:23:33, skipping insertion in model container [2022-04-27 19:23:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:23:33" (3/4) ... [2022-04-27 19:23:33,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18579125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:23:33, skipping insertion in model container [2022-04-27 19:23:33,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 07:23:33" (4/4) ... [2022-04-27 19:23:33,217 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound5.cJordan [2022-04-27 19:23:33,226 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 19:23:33,226 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 19:23:33,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 19:23:33,258 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d8a772e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41fc3e4b [2022-04-27 19:23:33,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 19:23:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 19:23:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-27 19:23:33,269 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:23:33,270 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:23:33,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:23:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:23:33,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2059041159, now seen corresponding path program 1 times [2022-04-27 19:23:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:23:33,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266769375] [2022-04-27 19:23:33,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:23:33,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:23:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 19:23:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,416 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {43#true} is VALID [2022-04-27 19:23:33,417 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 19:23:33,417 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 19:23:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 19:23:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,432 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,432 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,433 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,433 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 5) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-04-27 19:23:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,442 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,443 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_11 4294967296) 5) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-04-27 19:23:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,451 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,452 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-04-27 19:23:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,463 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,463 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,464 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,464 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-04-27 19:23:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,471 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,471 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,472 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-27 19:23:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:33,479 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,480 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,480 INFO L290 TraceCheckUtils]: 2: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,481 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,482 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 19:23:33,483 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {43#true} is VALID [2022-04-27 19:23:33,484 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 19:23:33,484 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 19:23:33,484 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 19:23:33,485 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {43#true} is VALID [2022-04-27 19:23:33,485 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 5) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-27 19:23:33,485 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,486 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,486 INFO L290 TraceCheckUtils]: 9: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,486 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {44#false} {43#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 5) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,487 INFO L290 TraceCheckUtils]: 11: Hoare triple {44#false} [125] L26-1-->L28: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {44#false} is VALID [2022-04-27 19:23:33,487 INFO L272 TraceCheckUtils]: 12: Hoare triple {44#false} [127] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_11 4294967296) 5) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-27 19:23:33,489 INFO L290 TraceCheckUtils]: 13: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,489 INFO L290 TraceCheckUtils]: 14: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,489 INFO L290 TraceCheckUtils]: 15: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,490 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {44#false} {44#false} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_11 4294967296) 5) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,490 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-27 19:23:33,490 INFO L290 TraceCheckUtils]: 18: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,491 INFO L290 TraceCheckUtils]: 19: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,491 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,493 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,494 INFO L272 TraceCheckUtils]: 22: Hoare triple {44#false} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-27 19:23:33,496 INFO L290 TraceCheckUtils]: 23: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,496 INFO L290 TraceCheckUtils]: 24: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,497 INFO L290 TraceCheckUtils]: 25: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,497 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {44#false} {44#false} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,497 INFO L272 TraceCheckUtils]: 27: Hoare triple {44#false} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {43#true} is VALID [2022-04-27 19:23:33,497 INFO L290 TraceCheckUtils]: 28: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,498 INFO L290 TraceCheckUtils]: 29: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,498 INFO L290 TraceCheckUtils]: 30: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,499 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {44#false} {44#false} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,499 INFO L272 TraceCheckUtils]: 32: Hoare triple {44#false} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {43#true} is VALID [2022-04-27 19:23:33,499 INFO L290 TraceCheckUtils]: 33: Hoare triple {43#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {43#true} is VALID [2022-04-27 19:23:33,500 INFO L290 TraceCheckUtils]: 34: Hoare triple {43#true} [128] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,500 INFO L290 TraceCheckUtils]: 35: Hoare triple {44#false} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,501 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {44#false} {44#false} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {44#false} is VALID [2022-04-27 19:23:33,501 INFO L290 TraceCheckUtils]: 37: Hoare triple {44#false} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {44#false} is VALID [2022-04-27 19:23:33,503 INFO L290 TraceCheckUtils]: 38: Hoare triple {44#false} [136] L53-2-->L40-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,503 INFO L272 TraceCheckUtils]: 39: Hoare triple {44#false} [139] L40-2-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~v~0_13 v_main_~y~0_18) (* v_main_~u~0_13 v_main_~y~0_18)) 4294967296) (mod (* v_main_~a~0_18 v_main_~b~0_17) 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~y~0=v_main_~y~0_18, main_~v~0=v_main_~v~0_13, main_~b~0=v_main_~b~0_17, main_~u~0=v_main_~u~0_13, main_~a~0=v_main_~a~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {44#false} is VALID [2022-04-27 19:23:33,503 INFO L290 TraceCheckUtils]: 40: Hoare triple {44#false} [142] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {44#false} is VALID [2022-04-27 19:23:33,503 INFO L290 TraceCheckUtils]: 41: Hoare triple {44#false} [146] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,503 INFO L290 TraceCheckUtils]: 42: Hoare triple {44#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 19:23:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-27 19:23:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:23:33,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266769375] [2022-04-27 19:23:33,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266769375] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:23:33,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:23:33,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 19:23:33,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473245875] [2022-04-27 19:23:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:23:33,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-27 19:23:33,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:23:33,515 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-27 19:23:33,550 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:23:33,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 19:23:33,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:23:33,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 19:23:33,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:23:33,575 INFO L87 Difference]: Start difference. First operand has 40 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-27 19:23:33,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:33,737 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-27 19:23:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 19:23:33,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-04-27 19:23:33,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:23:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-27 19:23:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-27 19:23:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-27 19:23:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-04-27 19:23:33,751 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 59 transitions. [2022-04-27 19:23:33,828 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:23:33,838 INFO L225 Difference]: With dead ends: 40 [2022-04-27 19:23:33,838 INFO L226 Difference]: Without dead ends: 35 [2022-04-27 19:23:33,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 19:23:33,842 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 19:23:33,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 43 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 19:23:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-27 19:23:33,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-27 19:23:33,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:23:33,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:23:33,864 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:23:33,864 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:23:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:33,868 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-27 19:23:33,869 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-27 19:23:33,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:23:33,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:23:33,870 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-27 19:23:33,870 INFO L87 Difference]: Start difference. First operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 35 states. [2022-04-27 19:23:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:33,874 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-04-27 19:23:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-27 19:23:33,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:23:33,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:23:33,875 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:23:33,875 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:23:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 19:23:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-04-27 19:23:33,878 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 43 [2022-04-27 19:23:33,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:23:33,879 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-04-27 19:23:33,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-04-27 19:23:33,879 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-04-27 19:23:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-27 19:23:33,880 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:23:33,880 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:23:33,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 19:23:33,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:23:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:23:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1255008874, now seen corresponding path program 1 times [2022-04-27 19:23:33,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:23:33,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151715178] [2022-04-27 19:23:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:23:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:23:33,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:23:33,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126690654] [2022-04-27 19:23:33,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:23:33,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:23:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:23:33,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:23:33,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 19:23:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:34,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-27 19:23:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 19:23:34,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 19:23:34,250 INFO L272 TraceCheckUtils]: 0: Hoare triple {220#true} [118] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,251 INFO L290 TraceCheckUtils]: 1: Hoare triple {220#true} [120] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse1 (select |v_#memory_int_1| 1)) (.cse0 (select |v_#memory_int_1| 2))) (and (= 49 (select .cse0 3)) (= 48 (select .cse1 0)) (= 108 (select .cse0 0)) (= (select .cse0 1) 99) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse0 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select .cse0 2) 109) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse1 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse0 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse0 4) 46))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {220#true} is VALID [2022-04-27 19:23:34,251 INFO L290 TraceCheckUtils]: 2: Hoare triple {220#true} [123] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,251 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {220#true} {220#true} [164] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,251 INFO L272 TraceCheckUtils]: 4: Hoare triple {220#true} [119] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,251 INFO L290 TraceCheckUtils]: 5: Hoare triple {220#true} [122] mainENTRY-->L26: Formula: (= v_main_~a~0_2 |v_main_#t~nondet4_2|) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~v~0=v_main_~v~0_3, main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_2, main_~u~0=v_main_~u~0_4, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,252 INFO L272 TraceCheckUtils]: 6: Hoare triple {220#true} [124] L26-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 5) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,252 INFO L290 TraceCheckUtils]: 7: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,252 INFO L290 TraceCheckUtils]: 8: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,252 INFO L290 TraceCheckUtils]: 9: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,252 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {220#true} {220#true} [165] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= (mod v_main_~a~0_12 4294967296) 5) 1 0)) InVars {main_~a~0=v_main_~a~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L290 TraceCheckUtils]: 11: Hoare triple {220#true} [125] L26-1-->L28: Formula: (= v_main_~b~0_3 |v_main_#t~nondet5_2|) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|} OutVars{main_~b~0=v_main_~b~0_3} AuxVars[] AssignedVars[main_#t~nondet5, main_~b~0] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L272 TraceCheckUtils]: 12: Hoare triple {220#true} [127] L28-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_11 4294967296) 5) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L290 TraceCheckUtils]: 13: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L290 TraceCheckUtils]: 14: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L290 TraceCheckUtils]: 15: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,253 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {220#true} {220#true} [166] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= (mod v_main_~b~0_11 4294967296) 5) 1 0)) InVars {main_~b~0=v_main_~b~0_11} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,254 INFO L272 TraceCheckUtils]: 17: Hoare triple {220#true} [130] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,254 INFO L290 TraceCheckUtils]: 18: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,254 INFO L290 TraceCheckUtils]: 19: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,254 INFO L290 TraceCheckUtils]: 20: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,254 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {220#true} {220#true} [167] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_3| (ite (<= 1 (mod v_main_~a~0_13 4294967296)) 1 0)) InVars {main_~a~0=v_main_~a~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_3|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L272 TraceCheckUtils]: 22: Hoare triple {220#true} [132] L29-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L290 TraceCheckUtils]: 23: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L290 TraceCheckUtils]: 24: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L290 TraceCheckUtils]: 25: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {220#true} {220#true} [168] assume_abort_if_notEXIT-->L30: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~b~0_12 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_4|) InVars {main_~b~0=v_main_~b~0_12} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_4|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,255 INFO L272 TraceCheckUtils]: 27: Hoare triple {220#true} [133] L30-->assume_abort_if_notENTRY: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,256 INFO L290 TraceCheckUtils]: 28: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,256 INFO L290 TraceCheckUtils]: 29: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,256 INFO L290 TraceCheckUtils]: 30: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,256 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {220#true} {220#true} [169] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= (mod v_main_~a~0_14 4294967296) 65535) 1 0) |v_assume_abort_if_not_#in~condInParam_5|) InVars {main_~a~0=v_main_~a~0_14} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_5|} AuxVars[] AssignedVars[assume_abort_if_not_#in~cond, main_~a~0] {220#true} is VALID [2022-04-27 19:23:34,256 INFO L272 TraceCheckUtils]: 32: Hoare triple {220#true} [134] L32-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,257 INFO L290 TraceCheckUtils]: 33: Hoare triple {220#true} [126] assume_abort_if_notENTRY-->L12: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {220#true} is VALID [2022-04-27 19:23:34,257 INFO L290 TraceCheckUtils]: 34: Hoare triple {220#true} [129] L12-->L12-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,257 INFO L290 TraceCheckUtils]: 35: Hoare triple {220#true} [131] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {220#true} is VALID [2022-04-27 19:23:34,257 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {220#true} {220#true} [170] assume_abort_if_notEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_6| (ite (<= (mod v_main_~b~0_13 4294967296) 65535) 1 0)) InVars {main_~b~0=v_main_~b~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_6|} AuxVars[] AssignedVars[main_~b~0, assume_abort_if_not_#in~cond] {220#true} is VALID [2022-04-27 19:23:34,258 INFO L290 TraceCheckUtils]: 37: Hoare triple {220#true} [135] L33-->L53-2: Formula: (and (= v_main_~b~0_7 v_main_~u~0_5) (= v_main_~b~0_7 v_main_~y~0_6) (= v_main_~v~0_4 0) (= v_main_~a~0_8 v_main_~x~0_4)) InVars {main_~b~0=v_main_~b~0_7, main_~a~0=v_main_~a~0_8} OutVars{main_~v~0=v_main_~v~0_4, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_6, main_~b~0=v_main_~b~0_7, main_~u~0=v_main_~u~0_5, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[main_~v~0, main_~x~0, main_~y~0, main_~u~0] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-27 19:23:34,258 INFO L290 TraceCheckUtils]: 38: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [138] L53-2-->L41: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} is VALID [2022-04-27 19:23:34,259 INFO L272 TraceCheckUtils]: 39: Hoare triple {336#(and (= main_~v~0 0) (= main_~b~0 main_~u~0) (= main_~a~0 main_~x~0))} [140] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (* v_main_~a~0_15 v_main_~b~0_14) 4294967296) (mod (+ (* v_main_~v~0_10 v_main_~y~0_15) (* v_main_~u~0_10 v_main_~x~0_14)) 4294967296)) 1 0)) InVars {main_~v~0=v_main_~v~0_10, main_~x~0=v_main_~x~0_14, main_~y~0=v_main_~y~0_15, main_~b~0=v_main_~b~0_14, main_~u~0=v_main_~u~0_10, main_~a~0=v_main_~a~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~v~0, main_~x~0, main_~y~0, main_~b~0, main_~u~0, main_~a~0] {343#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 19:23:34,260 INFO L290 TraceCheckUtils]: 40: Hoare triple {343#(<= 1 |__VERIFIER_assert_#in~cond|)} [142] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {347#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 19:23:34,260 INFO L290 TraceCheckUtils]: 41: Hoare triple {347#(<= 1 __VERIFIER_assert_~cond)} [146] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {221#false} is VALID [2022-04-27 19:23:34,260 INFO L290 TraceCheckUtils]: 42: Hoare triple {221#false} [152] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {221#false} is VALID [2022-04-27 19:23:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-27 19:23:34,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 19:23:34,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 19:23:34,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151715178] [2022-04-27 19:23:34,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 19:23:34,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126690654] [2022-04-27 19:23:34,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126690654] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 19:23:34,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 19:23:34,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 19:23:34,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027802076] [2022-04-27 19:23:34,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 19:23:34,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-27 19:23:34,263 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 19:23:34,264 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-27 19:23:34,290 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:23:34,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 19:23:34,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 19:23:34,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 19:23:34,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 19:23:34,291 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-27 19:23:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:34,500 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-27 19:23:34,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 19:23:34,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 43 [2022-04-27 19:23:34,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 19:23:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-27 19:23:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-27 19:23:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-27 19:23:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-27 19:23:34,505 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 68 transitions. [2022-04-27 19:23:34,570 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 19:23:34,571 INFO L225 Difference]: With dead ends: 50 [2022-04-27 19:23:34,571 INFO L226 Difference]: Without dead ends: 50 [2022-04-27 19:23:34,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 19:23:34,573 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 19:23:34,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 131 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 19:23:34,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-27 19:23:34,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2022-04-27 19:23:34,577 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 19:23:34,577 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 19:23:34,578 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 19:23:34,578 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 19:23:34,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:34,581 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-27 19:23:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-27 19:23:34,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:23:34,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:23:34,582 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-27 19:23:34,582 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 50 states. [2022-04-27 19:23:34,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 19:23:34,585 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2022-04-27 19:23:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-04-27 19:23:34,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 19:23:34,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 19:23:34,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 19:23:34,586 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 19:23:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 19:23:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2022-04-27 19:23:34,588 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 43 [2022-04-27 19:23:34,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 19:23:34,589 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2022-04-27 19:23:34,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-04-27 19:23:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-04-27 19:23:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-27 19:23:34,590 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 19:23:34,590 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 19:23:34,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-27 19:23:34,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:23:34,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 19:23:34,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 19:23:34,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1780836073, now seen corresponding path program 1 times [2022-04-27 19:23:34,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 19:23:34,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110300197] [2022-04-27 19:23:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:23:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 19:23:34,830 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 19:23:34,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551030778] [2022-04-27 19:23:34,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 19:23:34,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 19:23:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 19:23:34,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 19:23:34,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process