/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/cohendiv-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 17:39:34,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 17:39:34,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 17:39:34,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 17:39:34,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 17:39:34,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 17:39:34,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 17:39:34,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 17:39:34,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 17:39:34,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 17:39:34,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 17:39:34,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 17:39:34,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 17:39:34,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 17:39:34,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 17:39:34,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 17:39:34,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 17:39:34,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 17:39:34,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 17:39:34,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 17:39:34,954 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 17:39:34,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 17:39:34,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 17:39:34,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 17:39:34,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 17:39:34,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 17:39:34,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 17:39:34,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 17:39:34,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 17:39:34,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 17:39:34,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 17:39:34,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 17:39:34,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 17:39:34,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 17:39:34,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 17:39:34,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 17:39:34,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:39:34,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 17:39:34,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 17:39:34,980 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 17:39:34,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 17:39:35,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 17:39:35,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 17:39:35,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 17:39:35,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 17:39:35,166 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 17:39:35,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-27 17:39:35,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7609aa4ac/8387fdeea13c4ea4ab3c929319deea35/FLAGc26bc0d2b [2022-04-27 17:39:35,535 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 17:39:35,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-27 17:39:35,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7609aa4ac/8387fdeea13c4ea4ab3c929319deea35/FLAGc26bc0d2b [2022-04-27 17:39:35,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7609aa4ac/8387fdeea13c4ea4ab3c929319deea35 [2022-04-27 17:39:35,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 17:39:35,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 17:39:35,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 17:39:35,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 17:39:35,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 17:39:35,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:39:35" (1/1) ... [2022-04-27 17:39:35,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ad0f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:35, skipping insertion in model container [2022-04-27 17:39:35,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:39:35" (1/1) ... [2022-04-27 17:39:35,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 17:39:36,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 17:39:36,107 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/cohendiv-ll_unwindbound2.c[576,589] [2022-04-27 17:39:36,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:39:36,132 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 17:39:36,149 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/cohendiv-ll_unwindbound2.c[576,589] [2022-04-27 17:39:36,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:39:36,174 INFO L208 MainTranslator]: Completed translation [2022-04-27 17:39:36,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36 WrapperNode [2022-04-27 17:39:36,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 17:39:36,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 17:39:36,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 17:39:36,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 17:39:36,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 17:39:36,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 17:39:36,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 17:39:36,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 17:39:36,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:39:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:36,243 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 17:39:36,252 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 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 17:39:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 17:39:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 17:39:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 17:39:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 17:39:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 17:39:36,325 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 17:39:36,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 17:39:36,503 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 17:39:36,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 17:39:36,515 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-27 17:39:36,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:39:36 BoogieIcfgContainer [2022-04-27 17:39:36,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 17:39:36,517 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 17:39:36,517 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 17:39:36,518 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 17:39:36,520 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:39:36" (1/1) ... [2022-04-27 17:39:36,529 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 17:39:36,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:39:36 BasicIcfg [2022-04-27 17:39:36,556 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 17:39:36,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 17:39:36,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 17:39:36,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 17:39:36,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 05:39:35" (1/4) ... [2022-04-27 17:39:36,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39821769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:39:36, skipping insertion in model container [2022-04-27 17:39:36,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:39:36" (2/4) ... [2022-04-27 17:39:36,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39821769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:39:36, skipping insertion in model container [2022-04-27 17:39:36,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:39:36" (3/4) ... [2022-04-27 17:39:36,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39821769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:39:36, skipping insertion in model container [2022-04-27 17:39:36,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:39:36" (4/4) ... [2022-04-27 17:39:36,560 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound2.cJordan [2022-04-27 17:39:36,569 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 17:39:36,569 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 17:39:36,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 17:39:36,598 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@1405927f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5600b029 [2022-04-27 17:39:36,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 17:39:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 17:39:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-27 17:39:36,607 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:36,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:39:36,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:36,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1213541379, now seen corresponding path program 1 times [2022-04-27 17:39:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:36,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059308711] [2022-04-27 17:39:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:36,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 17:39:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:36,799 INFO L290 TraceCheckUtils]: 0: Hoare triple {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {41#true} is VALID [2022-04-27 17:39:36,800 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-27 17:39:36,800 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {41#true} {41#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-27 17:39:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 17:39:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:36,815 INFO L290 TraceCheckUtils]: 0: Hoare triple {41#true} [104] 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] {41#true} is VALID [2022-04-27 17:39:36,816 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,817 INFO L290 TraceCheckUtils]: 2: Hoare triple {42#false} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,817 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42#false} {41#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {42#false} is VALID [2022-04-27 17:39:36,818 INFO L272 TraceCheckUtils]: 0: Hoare triple {41#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 17:39:36,819 INFO L290 TraceCheckUtils]: 1: Hoare triple {50#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {41#true} is VALID [2022-04-27 17:39:36,819 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-27 17:39:36,819 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41#true} {41#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-27 17:39:36,819 INFO L272 TraceCheckUtils]: 4: Hoare triple {41#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-27 17:39:36,820 INFO L290 TraceCheckUtils]: 5: Hoare triple {41#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {41#true} is VALID [2022-04-27 17:39:36,820 INFO L272 TraceCheckUtils]: 6: Hoare triple {41#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {41#true} is VALID [2022-04-27 17:39:36,820 INFO L290 TraceCheckUtils]: 7: Hoare triple {41#true} [104] 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] {41#true} is VALID [2022-04-27 17:39:36,820 INFO L290 TraceCheckUtils]: 8: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,821 INFO L290 TraceCheckUtils]: 9: Hoare triple {42#false} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,821 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {42#false} {41#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {42#false} is VALID [2022-04-27 17:39:36,821 INFO L290 TraceCheckUtils]: 11: Hoare triple {42#false} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {42#false} is VALID [2022-04-27 17:39:36,821 INFO L290 TraceCheckUtils]: 12: Hoare triple {42#false} [105] L37-3-->L37-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,822 INFO L272 TraceCheckUtils]: 13: Hoare triple {42#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {42#false} is VALID [2022-04-27 17:39:36,823 INFO L290 TraceCheckUtils]: 14: Hoare triple {42#false} [114] __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] {42#false} is VALID [2022-04-27 17:39:36,823 INFO L290 TraceCheckUtils]: 15: Hoare triple {42#false} [117] 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[] {42#false} is VALID [2022-04-27 17:39:36,823 INFO L290 TraceCheckUtils]: 16: Hoare triple {42#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-27 17:39:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:39:36,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:36,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059308711] [2022-04-27 17:39:36,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059308711] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:36,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:36,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 17:39:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304464679] [2022-04-27 17:39:36,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:36,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 17:39:36,832 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:36,834 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:36,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:36,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 17:39:36,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:36,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 17:39:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 17:39:36,875 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 23 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,040 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-04-27 17:39:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 17:39:37,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 17:39:37,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-27 17:39:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-27 17:39:37,053 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2022-04-27 17:39:37,119 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:37,125 INFO L225 Difference]: With dead ends: 39 [2022-04-27 17:39:37,125 INFO L226 Difference]: Without dead ends: 34 [2022-04-27 17:39:37,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 17:39:37,128 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:37,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-27 17:39:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-27 17:39:37,155 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:37,156 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,157 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,158 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,171 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-27 17:39:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-27 17:39:37,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:37,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:37,173 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 34 states. [2022-04-27 17:39:37,173 INFO L87 Difference]: Start difference. First operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 34 states. [2022-04-27 17:39:37,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,182 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-27 17:39:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-27 17:39:37,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:37,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:37,183 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:37,183 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:37,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-04-27 17:39:37,186 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 17 [2022-04-27 17:39:37,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:37,186 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-04-27 17:39:37,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-04-27 17:39:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 17:39:37,187 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:37,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:39:37,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 17:39:37,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:37,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:37,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1202035559, now seen corresponding path program 1 times [2022-04-27 17:39:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:37,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57501824] [2022-04-27 17:39:37,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:37,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:37,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:37,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919004950] [2022-04-27 17:39:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:37,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:37,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:37,216 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 17:39:37,221 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 17:39:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:37,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 17:39:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:37,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:37,410 INFO L272 TraceCheckUtils]: 0: Hoare triple {193#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {193#true} is VALID [2022-04-27 17:39:37,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {193#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {201#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,412 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {201#(<= ~counter~0 0)} {193#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,412 INFO L272 TraceCheckUtils]: 4: Hoare triple {201#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,413 INFO L290 TraceCheckUtils]: 5: Hoare triple {201#(<= ~counter~0 0)} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,413 INFO L272 TraceCheckUtils]: 6: Hoare triple {201#(<= ~counter~0 0)} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,414 INFO L290 TraceCheckUtils]: 7: Hoare triple {201#(<= ~counter~0 0)} [104] 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] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,414 INFO L290 TraceCheckUtils]: 8: Hoare triple {201#(<= ~counter~0 0)} [108] 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[] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {201#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,415 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {201#(<= ~counter~0 0)} {201#(<= ~counter~0 0)} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {201#(<= ~counter~0 0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {201#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:37,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {201#(<= ~counter~0 0)} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {235#(<= |main_#t~post6| 0)} is VALID [2022-04-27 17:39:37,417 INFO L290 TraceCheckUtils]: 13: Hoare triple {235#(<= |main_#t~post6| 0)} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {194#false} is VALID [2022-04-27 17:39:37,417 INFO L272 TraceCheckUtils]: 14: Hoare triple {194#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {194#false} is VALID [2022-04-27 17:39:37,417 INFO L290 TraceCheckUtils]: 15: Hoare triple {194#false} [114] __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] {194#false} is VALID [2022-04-27 17:39:37,417 INFO L290 TraceCheckUtils]: 16: Hoare triple {194#false} [117] 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[] {194#false} is VALID [2022-04-27 17:39:37,417 INFO L290 TraceCheckUtils]: 17: Hoare triple {194#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {194#false} is VALID [2022-04-27 17:39:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:39:37,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:37,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:37,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57501824] [2022-04-27 17:39:37,418 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:37,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919004950] [2022-04-27 17:39:37,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919004950] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:37,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:37,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-27 17:39:37,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943420801] [2022-04-27 17:39:37,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:37,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-27 17:39:37,424 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:37,424 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 17:39:37,440 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:37,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-27 17:39:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:37,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-27 17:39:37,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 17:39:37,441 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 17:39:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,513 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-27 17:39:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-27 17:39:37,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-27 17:39:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 17:39:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-27 17:39:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 17:39:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-27 17:39:37,525 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 45 transitions. [2022-04-27 17:39:37,556 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:37,557 INFO L225 Difference]: With dead ends: 35 [2022-04-27 17:39:37,558 INFO L226 Difference]: Without dead ends: 35 [2022-04-27 17:39:37,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 17:39:37,559 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:37,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:37,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-27 17:39:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-27 17:39:37,562 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:37,562 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,562 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,563 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,572 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-27 17:39:37,572 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-27 17:39:37,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:37,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:37,576 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 35 states. [2022-04-27 17:39:37,576 INFO L87 Difference]: Start difference. First operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 35 states. [2022-04-27 17:39:37,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:37,578 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-27 17:39:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-27 17:39:37,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:37,578 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:37,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:37,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 17:39:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2022-04-27 17:39:37,581 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 18 [2022-04-27 17:39:37,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:37,581 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-04-27 17:39:37,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 17:39:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-27 17:39:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 17:39:37,581 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:37,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:39:37,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:37,791 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 17:39:37,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:37,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:37,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1200933292, now seen corresponding path program 1 times [2022-04-27 17:39:37,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:37,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284773881] [2022-04-27 17:39:37,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:37,803 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:37,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856212569] [2022-04-27 17:39:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:37,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:37,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:37,805 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 17:39:37,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 17:39:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:37,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 17:39:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:37,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:41,996 INFO L272 TraceCheckUtils]: 0: Hoare triple {390#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-27 17:39:41,996 INFO L290 TraceCheckUtils]: 1: Hoare triple {390#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {390#true} is VALID [2022-04-27 17:39:41,997 INFO L290 TraceCheckUtils]: 2: Hoare triple {390#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-27 17:39:41,999 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {390#true} {390#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-27 17:39:41,999 INFO L272 TraceCheckUtils]: 4: Hoare triple {390#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-27 17:39:41,999 INFO L290 TraceCheckUtils]: 5: Hoare triple {390#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {390#true} is VALID [2022-04-27 17:39:42,000 INFO L272 TraceCheckUtils]: 6: Hoare triple {390#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {390#true} is VALID [2022-04-27 17:39:42,000 INFO L290 TraceCheckUtils]: 7: Hoare triple {390#true} [104] 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] {390#true} is VALID [2022-04-27 17:39:42,000 INFO L290 TraceCheckUtils]: 8: Hoare triple {390#true} [108] 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[] {390#true} is VALID [2022-04-27 17:39:42,000 INFO L290 TraceCheckUtils]: 9: Hoare triple {390#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#true} is VALID [2022-04-27 17:39:42,000 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {390#true} {390#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {390#true} is VALID [2022-04-27 17:39:42,001 INFO L290 TraceCheckUtils]: 11: Hoare triple {390#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-27 17:39:42,001 INFO L290 TraceCheckUtils]: 12: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-27 17:39:42,002 INFO L290 TraceCheckUtils]: 13: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {428#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-27 17:39:42,003 INFO L272 TraceCheckUtils]: 14: Hoare triple {428#(and (= main_~a~0 0) (= main_~b~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {438#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:42,003 INFO L290 TraceCheckUtils]: 15: Hoare triple {438#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {442#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:42,004 INFO L290 TraceCheckUtils]: 16: Hoare triple {442#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {391#false} is VALID [2022-04-27 17:39:42,004 INFO L290 TraceCheckUtils]: 17: Hoare triple {391#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {391#false} is VALID [2022-04-27 17:39:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:39:42,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:42,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:42,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284773881] [2022-04-27 17:39:42,005 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:42,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856212569] [2022-04-27 17:39:42,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856212569] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:42,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:42,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 17:39:42,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969697078] [2022-04-27 17:39:42,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:42,006 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 17:39:42,006 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:42,006 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:42,020 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:42,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 17:39:42,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:42,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 17:39:42,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 17:39:42,022 INFO L87 Difference]: Start difference. First operand 35 states and 44 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:42,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:42,221 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-27 17:39:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 17:39:42,221 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 17:39:42,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:42,222 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-27 17:39:42,223 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-27 17:39:42,228 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2022-04-27 17:39:42,272 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:42,274 INFO L225 Difference]: With dead ends: 43 [2022-04-27 17:39:42,274 INFO L226 Difference]: Without dead ends: 43 [2022-04-27 17:39:42,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 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 17:39:42,277 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 145 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-27 17:39:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-04-27 17:39:42,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:42,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 17:39:42,286 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 17:39:42,287 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 17:39:42,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:42,295 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-27 17:39:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-27 17:39:42,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:42,298 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:42,300 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 43 states. [2022-04-27 17:39:42,300 INFO L87 Difference]: Start difference. First operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 43 states. [2022-04-27 17:39:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:42,304 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-27 17:39:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-27 17:39:42,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:42,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:42,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:42,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 26 states have internal predecessors, (29), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 17:39:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-04-27 17:39:42,307 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2022-04-27 17:39:42,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:42,307 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-04-27 17:39:42,307 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 17:39:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-04-27 17:39:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 17:39:42,308 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:42,308 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:39:42,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:42,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-27 17:39:42,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:42,516 INFO L85 PathProgramCache]: Analyzing trace with hash -944097291, now seen corresponding path program 1 times [2022-04-27 17:39:42,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:42,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105307482] [2022-04-27 17:39:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:42,527 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:42,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677061501] [2022-04-27 17:39:42,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:42,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:42,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 17:39:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:42,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 17:39:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:42,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:45,207 INFO L272 TraceCheckUtils]: 0: Hoare triple {619#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,207 INFO L290 TraceCheckUtils]: 1: Hoare triple {619#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {619#true} is VALID [2022-04-27 17:39:45,207 INFO L290 TraceCheckUtils]: 2: Hoare triple {619#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {619#true} {619#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L272 TraceCheckUtils]: 4: Hoare triple {619#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L290 TraceCheckUtils]: 5: Hoare triple {619#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L272 TraceCheckUtils]: 6: Hoare triple {619#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L290 TraceCheckUtils]: 7: Hoare triple {619#true} [104] 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] {619#true} is VALID [2022-04-27 17:39:45,208 INFO L290 TraceCheckUtils]: 8: Hoare triple {619#true} [108] 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[] {619#true} is VALID [2022-04-27 17:39:45,209 INFO L290 TraceCheckUtils]: 9: Hoare triple {619#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,209 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {619#true} {619#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {619#true} is VALID [2022-04-27 17:39:45,209 INFO L290 TraceCheckUtils]: 11: Hoare triple {619#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:45,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:45,210 INFO L290 TraceCheckUtils]: 13: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:45,211 INFO L272 TraceCheckUtils]: 14: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {619#true} is VALID [2022-04-27 17:39:45,211 INFO L290 TraceCheckUtils]: 15: Hoare triple {619#true} [114] __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] {619#true} is VALID [2022-04-27 17:39:45,211 INFO L290 TraceCheckUtils]: 16: Hoare triple {619#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,211 INFO L290 TraceCheckUtils]: 17: Hoare triple {619#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {619#true} is VALID [2022-04-27 17:39:45,216 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {619#true} {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:45,217 INFO L272 TraceCheckUtils]: 19: Hoare triple {657#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {682#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:45,217 INFO L290 TraceCheckUtils]: 20: Hoare triple {682#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {686#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:45,218 INFO L290 TraceCheckUtils]: 21: Hoare triple {686#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {620#false} is VALID [2022-04-27 17:39:45,218 INFO L290 TraceCheckUtils]: 22: Hoare triple {620#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {620#false} is VALID [2022-04-27 17:39:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:39:45,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:45,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105307482] [2022-04-27 17:39:45,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:45,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677061501] [2022-04-27 17:39:45,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677061501] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:45,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:45,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 17:39:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319787503] [2022-04-27 17:39:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:45,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 17:39:45,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:45,220 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 17:39:45,234 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:45,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 17:39:45,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 17:39:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 17:39:45,235 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 17:39:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:45,418 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2022-04-27 17:39:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 17:39:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 17:39:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 17:39:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2022-04-27 17:39:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 17:39:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 70 transitions. [2022-04-27 17:39:45,425 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 70 transitions. [2022-04-27 17:39:45,481 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:45,483 INFO L225 Difference]: With dead ends: 56 [2022-04-27 17:39:45,483 INFO L226 Difference]: Without dead ends: 55 [2022-04-27 17:39:45,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 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 17:39:45,483 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 13 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:45,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 139 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:45,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-27 17:39:45,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-04-27 17:39:45,487 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:45,487 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 17:39:45,488 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 17:39:45,488 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 17:39:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:45,490 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-27 17:39:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-27 17:39:45,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:45,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:45,491 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 55 states. [2022-04-27 17:39:45,491 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand 55 states. [2022-04-27 17:39:45,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:45,493 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-27 17:39:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-27 17:39:45,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:45,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:45,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:45,493 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 16 states have call successors, (16), 6 states have call predecessors, (16), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-04-27 17:39:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-04-27 17:39:45,495 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 23 [2022-04-27 17:39:45,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:45,495 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-04-27 17:39:45,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 17:39:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-04-27 17:39:45,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-27 17:39:45,496 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:45,496 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 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] [2022-04-27 17:39:45,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:45,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:45,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:45,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:45,706 INFO L85 PathProgramCache]: Analyzing trace with hash -653220550, now seen corresponding path program 1 times [2022-04-27 17:39:45,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:45,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574514212] [2022-04-27 17:39:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:45,717 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:45,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715083707] [2022-04-27 17:39:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:45,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:45,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:45,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:45,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 17:39:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:45,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 17:39:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:45,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:45,850 INFO L272 TraceCheckUtils]: 0: Hoare triple {914#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,850 INFO L290 TraceCheckUtils]: 1: Hoare triple {914#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {914#true} is VALID [2022-04-27 17:39:45,850 INFO L290 TraceCheckUtils]: 2: Hoare triple {914#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,850 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {914#true} {914#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L272 TraceCheckUtils]: 4: Hoare triple {914#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L290 TraceCheckUtils]: 5: Hoare triple {914#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L272 TraceCheckUtils]: 6: Hoare triple {914#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L290 TraceCheckUtils]: 7: Hoare triple {914#true} [104] 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] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L290 TraceCheckUtils]: 8: Hoare triple {914#true} [108] 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[] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L290 TraceCheckUtils]: 9: Hoare triple {914#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,851 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {914#true} {914#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 11: Hoare triple {914#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 12: Hoare triple {914#true} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 13: Hoare triple {914#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L272 TraceCheckUtils]: 14: Hoare triple {914#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 15: Hoare triple {914#true} [114] __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] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {914#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,852 INFO L290 TraceCheckUtils]: 17: Hoare triple {914#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {914#true} {914#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L272 TraceCheckUtils]: 19: Hoare triple {914#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L290 TraceCheckUtils]: 20: Hoare triple {914#true} [114] __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] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L290 TraceCheckUtils]: 21: Hoare triple {914#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L290 TraceCheckUtils]: 22: Hoare triple {914#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {914#true} is VALID [2022-04-27 17:39:45,853 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {914#true} {914#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {914#true} is VALID [2022-04-27 17:39:45,856 INFO L290 TraceCheckUtils]: 24: Hoare triple {914#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-27 17:39:45,856 INFO L290 TraceCheckUtils]: 25: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-27 17:39:45,856 INFO L290 TraceCheckUtils]: 26: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-27 17:39:45,857 INFO L272 TraceCheckUtils]: 27: Hoare triple {991#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1001#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:45,857 INFO L290 TraceCheckUtils]: 28: Hoare triple {1001#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {1005#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:45,858 INFO L290 TraceCheckUtils]: 29: Hoare triple {1005#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {915#false} is VALID [2022-04-27 17:39:45,858 INFO L290 TraceCheckUtils]: 30: Hoare triple {915#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {915#false} is VALID [2022-04-27 17:39:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 17:39:45,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:45,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:45,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574514212] [2022-04-27 17:39:45,859 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:45,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715083707] [2022-04-27 17:39:45,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715083707] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:45,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:45,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 17:39:45,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63246063] [2022-04-27 17:39:45,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:45,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-04-27 17:39:45,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:45,860 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-27 17:39:45,882 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 17:39:45,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 17:39:45,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:45,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 17:39:45,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 17:39:45,883 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-27 17:39:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,068 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-27 17:39:46,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 17:39:46,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-04-27 17:39:46,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-27 17:39:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-27 17:39:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-27 17:39:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-27 17:39:46,072 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 71 transitions. [2022-04-27 17:39:46,119 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:46,121 INFO L225 Difference]: With dead ends: 81 [2022-04-27 17:39:46,121 INFO L226 Difference]: Without dead ends: 81 [2022-04-27 17:39:46,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 17:39:46,121 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:46,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-04-27 17:39:46,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 74. [2022-04-27 17:39:46,126 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:46,127 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,127 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,132 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,136 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-27 17:39:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-27 17:39:46,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:46,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:46,137 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 81 states. [2022-04-27 17:39:46,137 INFO L87 Difference]: Start difference. First operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 81 states. [2022-04-27 17:39:46,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,140 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-27 17:39:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-27 17:39:46,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:46,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:46,140 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:46,140 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 46 states have internal predecessors, (56), 23 states have call successors, (23), 7 states have call predecessors, (23), 6 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2022-04-27 17:39:46,144 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 31 [2022-04-27 17:39:46,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:46,145 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2022-04-27 17:39:46,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-27 17:39:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-04-27 17:39:46,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-27 17:39:46,145 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:46,145 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 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] [2022-04-27 17:39:46,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:46,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:46,359 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:46,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash -830156892, now seen corresponding path program 1 times [2022-04-27 17:39:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:46,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586756445] [2022-04-27 17:39:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:46,370 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:46,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799647071] [2022-04-27 17:39:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:46,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:46,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-27 17:39:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:46,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 17:39:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:46,562 INFO L272 TraceCheckUtils]: 0: Hoare triple {1330#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1330#true} is VALID [2022-04-27 17:39:46,564 INFO L290 TraceCheckUtils]: 1: Hoare triple {1330#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,565 INFO L290 TraceCheckUtils]: 2: Hoare triple {1338#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,565 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1338#(<= ~counter~0 0)} {1330#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,569 INFO L272 TraceCheckUtils]: 4: Hoare triple {1338#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,570 INFO L290 TraceCheckUtils]: 5: Hoare triple {1338#(<= ~counter~0 0)} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,571 INFO L272 TraceCheckUtils]: 6: Hoare triple {1338#(<= ~counter~0 0)} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,573 INFO L290 TraceCheckUtils]: 7: Hoare triple {1338#(<= ~counter~0 0)} [104] 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] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,573 INFO L290 TraceCheckUtils]: 8: Hoare triple {1338#(<= ~counter~0 0)} [108] 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[] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,575 INFO L290 TraceCheckUtils]: 9: Hoare triple {1338#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,576 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1338#(<= ~counter~0 0)} {1338#(<= ~counter~0 0)} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {1338#(<= ~counter~0 0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {1338#(<= ~counter~0 0)} is VALID [2022-04-27 17:39:46,576 INFO L290 TraceCheckUtils]: 12: Hoare triple {1338#(<= ~counter~0 0)} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {1372#(<= ~counter~0 1)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,577 INFO L272 TraceCheckUtils]: 14: Hoare triple {1372#(<= ~counter~0 1)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,578 INFO L290 TraceCheckUtils]: 15: Hoare triple {1372#(<= ~counter~0 1)} [114] __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] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,578 INFO L290 TraceCheckUtils]: 16: Hoare triple {1372#(<= ~counter~0 1)} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,578 INFO L290 TraceCheckUtils]: 17: Hoare triple {1372#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,579 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1372#(<= ~counter~0 1)} {1372#(<= ~counter~0 1)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,580 INFO L272 TraceCheckUtils]: 19: Hoare triple {1372#(<= ~counter~0 1)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,580 INFO L290 TraceCheckUtils]: 20: Hoare triple {1372#(<= ~counter~0 1)} [114] __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] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {1372#(<= ~counter~0 1)} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,581 INFO L290 TraceCheckUtils]: 22: Hoare triple {1372#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,582 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1372#(<= ~counter~0 1)} {1372#(<= ~counter~0 1)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,582 INFO L290 TraceCheckUtils]: 24: Hoare triple {1372#(<= ~counter~0 1)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {1372#(<= ~counter~0 1)} is VALID [2022-04-27 17:39:46,582 INFO L290 TraceCheckUtils]: 25: Hoare triple {1372#(<= ~counter~0 1)} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1412#(<= |main_#t~post7| 1)} is VALID [2022-04-27 17:39:46,583 INFO L290 TraceCheckUtils]: 26: Hoare triple {1412#(<= |main_#t~post7| 1)} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1331#false} is VALID [2022-04-27 17:39:46,583 INFO L290 TraceCheckUtils]: 27: Hoare triple {1331#false} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {1331#false} is VALID [2022-04-27 17:39:46,583 INFO L290 TraceCheckUtils]: 28: Hoare triple {1331#false} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1331#false} is VALID [2022-04-27 17:39:46,583 INFO L290 TraceCheckUtils]: 29: Hoare triple {1331#false} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1331#false} is VALID [2022-04-27 17:39:46,583 INFO L272 TraceCheckUtils]: 30: Hoare triple {1331#false} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1331#false} is VALID [2022-04-27 17:39:46,584 INFO L290 TraceCheckUtils]: 31: Hoare triple {1331#false} [114] __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] {1331#false} is VALID [2022-04-27 17:39:46,584 INFO L290 TraceCheckUtils]: 32: Hoare triple {1331#false} [117] 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[] {1331#false} is VALID [2022-04-27 17:39:46,584 INFO L290 TraceCheckUtils]: 33: Hoare triple {1331#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1331#false} is VALID [2022-04-27 17:39:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 17:39:46,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:46,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586756445] [2022-04-27 17:39:46,584 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:46,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799647071] [2022-04-27 17:39:46,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799647071] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:46,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:46,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 17:39:46,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031471103] [2022-04-27 17:39:46,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:46,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2022-04-27 17:39:46,585 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:46,585 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 17:39:46,613 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:46,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 17:39:46,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:46,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 17:39:46,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-27 17:39:46,614 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 17:39:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,697 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-27 17:39:46,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 17:39:46,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2022-04-27 17:39:46,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 17:39:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-27 17:39:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 17:39:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 55 transitions. [2022-04-27 17:39:46,709 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 55 transitions. [2022-04-27 17:39:46,743 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:46,744 INFO L225 Difference]: With dead ends: 78 [2022-04-27 17:39:46,744 INFO L226 Difference]: Without dead ends: 78 [2022-04-27 17:39:46,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-27 17:39:46,745 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:46,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 114 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:39:46,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-04-27 17:39:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-04-27 17:39:46,748 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:46,749 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,749 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,749 INFO L87 Difference]: Start difference. First operand 78 states. Second operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,751 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-27 17:39:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-27 17:39:46,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:46,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:46,752 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 78 states. [2022-04-27 17:39:46,752 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 78 states. [2022-04-27 17:39:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:46,755 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-27 17:39:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-27 17:39:46,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:46,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:46,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:46,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 23 states have call successors, (23), 8 states have call predecessors, (23), 7 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2022-04-27 17:39:46,757 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 34 [2022-04-27 17:39:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:46,758 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2022-04-27 17:39:46,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 17:39:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-27 17:39:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-27 17:39:46,758 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:46,758 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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 17:39:46,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:46,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:46,971 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:46,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1527688582, now seen corresponding path program 1 times [2022-04-27 17:39:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:46,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357667443] [2022-04-27 17:39:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:46,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:46,981 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:46,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255759313] [2022-04-27 17:39:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:46,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:46,982 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:46,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-27 17:39:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:47,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-27 17:39:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:47,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:47,196 INFO L272 TraceCheckUtils]: 0: Hoare triple {1748#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,196 INFO L290 TraceCheckUtils]: 1: Hoare triple {1748#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {1748#true} is VALID [2022-04-27 17:39:47,196 INFO L290 TraceCheckUtils]: 2: Hoare triple {1748#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,197 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1748#true} {1748#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,197 INFO L272 TraceCheckUtils]: 4: Hoare triple {1748#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,197 INFO L290 TraceCheckUtils]: 5: Hoare triple {1748#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {1748#true} is VALID [2022-04-27 17:39:47,197 INFO L272 TraceCheckUtils]: 6: Hoare triple {1748#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1748#true} is VALID [2022-04-27 17:39:47,197 INFO L290 TraceCheckUtils]: 7: Hoare triple {1748#true} [104] 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] {1774#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 17:39:47,198 INFO L290 TraceCheckUtils]: 8: Hoare triple {1774#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [108] 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[] {1778#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 17:39:47,198 INFO L290 TraceCheckUtils]: 9: Hoare triple {1778#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1778#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 17:39:47,198 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1778#(not (= |assume_abort_if_not_#in~cond| 0))} {1748#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,199 INFO L290 TraceCheckUtils]: 11: Hoare triple {1785#(<= 1 main_~y~0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,199 INFO L290 TraceCheckUtils]: 12: Hoare triple {1785#(<= 1 main_~y~0)} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,199 INFO L290 TraceCheckUtils]: 13: Hoare triple {1785#(<= 1 main_~y~0)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,200 INFO L272 TraceCheckUtils]: 14: Hoare triple {1785#(<= 1 main_~y~0)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1748#true} is VALID [2022-04-27 17:39:47,200 INFO L290 TraceCheckUtils]: 15: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-27 17:39:47,200 INFO L290 TraceCheckUtils]: 16: Hoare triple {1748#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,200 INFO L290 TraceCheckUtils]: 17: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,200 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1748#true} {1785#(<= 1 main_~y~0)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,200 INFO L272 TraceCheckUtils]: 19: Hoare triple {1785#(<= 1 main_~y~0)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1748#true} is VALID [2022-04-27 17:39:47,201 INFO L290 TraceCheckUtils]: 20: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-27 17:39:47,201 INFO L290 TraceCheckUtils]: 21: Hoare triple {1748#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,201 INFO L290 TraceCheckUtils]: 22: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,201 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1748#true} {1785#(<= 1 main_~y~0)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1785#(<= 1 main_~y~0)} is VALID [2022-04-27 17:39:47,202 INFO L290 TraceCheckUtils]: 24: Hoare triple {1785#(<= 1 main_~y~0)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-27 17:39:47,202 INFO L290 TraceCheckUtils]: 25: Hoare triple {1828#(<= 1 main_~r~0)} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1828#(<= 1 main_~r~0)} is VALID [2022-04-27 17:39:47,202 INFO L290 TraceCheckUtils]: 26: Hoare triple {1828#(<= 1 main_~r~0)} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1828#(<= 1 main_~r~0)} is VALID [2022-04-27 17:39:47,202 INFO L272 TraceCheckUtils]: 27: Hoare triple {1828#(<= 1 main_~r~0)} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1748#true} is VALID [2022-04-27 17:39:47,202 INFO L290 TraceCheckUtils]: 28: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-27 17:39:47,203 INFO L290 TraceCheckUtils]: 29: Hoare triple {1748#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,203 INFO L290 TraceCheckUtils]: 30: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,203 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {1748#true} {1828#(<= 1 main_~r~0)} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-27 17:39:47,203 INFO L272 TraceCheckUtils]: 32: Hoare triple {1828#(<= 1 main_~r~0)} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1748#true} is VALID [2022-04-27 17:39:47,203 INFO L290 TraceCheckUtils]: 33: Hoare triple {1748#true} [114] __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] {1748#true} is VALID [2022-04-27 17:39:47,203 INFO L290 TraceCheckUtils]: 34: Hoare triple {1748#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,204 INFO L290 TraceCheckUtils]: 35: Hoare triple {1748#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1748#true} is VALID [2022-04-27 17:39:47,204 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {1748#true} {1828#(<= 1 main_~r~0)} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {1828#(<= 1 main_~r~0)} is VALID [2022-04-27 17:39:47,204 INFO L272 TraceCheckUtils]: 37: Hoare triple {1828#(<= 1 main_~r~0)} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {1868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:47,205 INFO L290 TraceCheckUtils]: 38: Hoare triple {1868#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {1872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:47,205 INFO L290 TraceCheckUtils]: 39: Hoare triple {1872#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {1749#false} is VALID [2022-04-27 17:39:47,205 INFO L290 TraceCheckUtils]: 40: Hoare triple {1749#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1749#false} is VALID [2022-04-27 17:39:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 17:39:47,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 17:39:47,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:47,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357667443] [2022-04-27 17:39:47,206 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:47,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255759313] [2022-04-27 17:39:47,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255759313] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:39:47,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:39:47,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-27 17:39:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794355512] [2022-04-27 17:39:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:39:47,207 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 41 [2022-04-27 17:39:47,207 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:47,207 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-27 17:39:47,228 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:47,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 17:39:47,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:47,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 17:39:47,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-27 17:39:47,229 INFO L87 Difference]: Start difference. First operand 78 states and 102 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-27 17:39:47,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:47,482 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-27 17:39:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 17:39:47,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 41 [2022-04-27 17:39:47,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-27 17:39:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-27 17:39:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-27 17:39:47,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-27 17:39:47,485 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2022-04-27 17:39:47,518 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:47,520 INFO L225 Difference]: With dead ends: 82 [2022-04-27 17:39:47,520 INFO L226 Difference]: Without dead ends: 82 [2022-04-27 17:39:47,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-04-27 17:39:47,521 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 20 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:47,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 17:39:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-04-27 17:39:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-04-27 17:39:47,524 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:47,524 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:47,525 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:47,525 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:47,531 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-27 17:39:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-27 17:39:47,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:47,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:47,531 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 82 states. [2022-04-27 17:39:47,532 INFO L87 Difference]: Start difference. First operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 82 states. [2022-04-27 17:39:47,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:47,534 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-27 17:39:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-27 17:39:47,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:47,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:47,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:47,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:47,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 50 states have (on average 1.22) internal successors, (61), 52 states have internal predecessors, (61), 23 states have call successors, (23), 9 states have call predecessors, (23), 8 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-04-27 17:39:47,539 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 41 [2022-04-27 17:39:47,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:47,539 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-04-27 17:39:47,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-04-27 17:39:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-27 17:39:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-27 17:39:47,541 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:47,541 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1] [2022-04-27 17:39:47,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:47,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:47,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash 800232443, now seen corresponding path program 1 times [2022-04-27 17:39:47,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:47,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254564863] [2022-04-27 17:39:47,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:47,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:47,764 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:47,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089909859] [2022-04-27 17:39:47,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:47,765 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:47,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-27 17:39:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:47,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-27 17:39:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:47,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:47,982 INFO L272 TraceCheckUtils]: 0: Hoare triple {2212#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,982 INFO L290 TraceCheckUtils]: 1: Hoare triple {2212#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {2212#true} is VALID [2022-04-27 17:39:47,982 INFO L290 TraceCheckUtils]: 2: Hoare triple {2212#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,982 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2212#true} {2212#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L272 TraceCheckUtils]: 4: Hoare triple {2212#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 5: Hoare triple {2212#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L272 TraceCheckUtils]: 6: Hoare triple {2212#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 7: Hoare triple {2212#true} [104] 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] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 8: Hoare triple {2212#true} [108] 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[] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 9: Hoare triple {2212#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2212#true} {2212#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {2212#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 12: Hoare triple {2212#true} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2212#true} is VALID [2022-04-27 17:39:47,983 INFO L290 TraceCheckUtils]: 13: Hoare triple {2212#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L272 TraceCheckUtils]: 14: Hoare triple {2212#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 15: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 16: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 17: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2212#true} {2212#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L272 TraceCheckUtils]: 19: Hoare triple {2212#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 20: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 21: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L290 TraceCheckUtils]: 22: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,984 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2212#true} {2212#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:47,985 INFO L290 TraceCheckUtils]: 24: Hoare triple {2212#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,985 INFO L290 TraceCheckUtils]: 25: Hoare triple {2212#true} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {2212#true} is VALID [2022-04-27 17:39:47,985 INFO L290 TraceCheckUtils]: 26: Hoare triple {2212#true} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2212#true} is VALID [2022-04-27 17:39:47,985 INFO L272 TraceCheckUtils]: 27: Hoare triple {2212#true} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:47,986 INFO L290 TraceCheckUtils]: 28: Hoare triple {2212#true} [114] __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] {2301#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:47,987 INFO L290 TraceCheckUtils]: 29: Hoare triple {2301#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:47,987 INFO L290 TraceCheckUtils]: 30: Hoare triple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:47,988 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} {2212#true} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-27 17:39:47,988 INFO L272 TraceCheckUtils]: 32: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:47,988 INFO L290 TraceCheckUtils]: 33: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:47,988 INFO L290 TraceCheckUtils]: 34: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,988 INFO L290 TraceCheckUtils]: 35: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,989 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2212#true} {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-27 17:39:47,989 INFO L272 TraceCheckUtils]: 37: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:47,989 INFO L290 TraceCheckUtils]: 38: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:47,989 INFO L290 TraceCheckUtils]: 39: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,989 INFO L290 TraceCheckUtils]: 40: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:47,990 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2212#true} {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-27 17:39:47,991 INFO L290 TraceCheckUtils]: 42: Hoare triple {2312#(= main_~b~0 (* main_~a~0 main_~y~0))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-27 17:39:47,991 INFO L272 TraceCheckUtils]: 43: Hoare triple {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:47,992 INFO L290 TraceCheckUtils]: 44: Hoare triple {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {2354#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:47,992 INFO L290 TraceCheckUtils]: 45: Hoare triple {2354#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2213#false} is VALID [2022-04-27 17:39:47,992 INFO L290 TraceCheckUtils]: 46: Hoare triple {2213#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2213#false} is VALID [2022-04-27 17:39:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-27 17:39:47,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 17:39:52,369 INFO L290 TraceCheckUtils]: 46: Hoare triple {2213#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2213#false} is VALID [2022-04-27 17:39:52,370 INFO L290 TraceCheckUtils]: 45: Hoare triple {2354#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2213#false} is VALID [2022-04-27 17:39:52,370 INFO L290 TraceCheckUtils]: 44: Hoare triple {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {2354#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:52,371 INFO L272 TraceCheckUtils]: 43: Hoare triple {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {2350#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:52,372 INFO L290 TraceCheckUtils]: 42: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {2346#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-27 17:39:52,372 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2212#true} {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-27 17:39:52,372 INFO L290 TraceCheckUtils]: 40: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,372 INFO L290 TraceCheckUtils]: 39: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,373 INFO L290 TraceCheckUtils]: 38: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:52,373 INFO L272 TraceCheckUtils]: 37: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:52,373 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2212#true} {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-27 17:39:52,373 INFO L290 TraceCheckUtils]: 35: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,374 INFO L290 TraceCheckUtils]: 34: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,374 INFO L290 TraceCheckUtils]: 33: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:52,374 INFO L272 TraceCheckUtils]: 32: Hoare triple {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:52,375 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} {2212#true} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2373#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-27 17:39:52,376 INFO L290 TraceCheckUtils]: 30: Hoare triple {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:52,377 INFO L290 TraceCheckUtils]: 29: Hoare triple {2416#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2305#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:52,377 INFO L290 TraceCheckUtils]: 28: Hoare triple {2212#true} [114] __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] {2416#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 17:39:52,377 INFO L272 TraceCheckUtils]: 27: Hoare triple {2212#true} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,377 INFO L290 TraceCheckUtils]: 26: Hoare triple {2212#true} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2212#true} is VALID [2022-04-27 17:39:52,377 INFO L290 TraceCheckUtils]: 25: Hoare triple {2212#true} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {2212#true} is VALID [2022-04-27 17:39:52,377 INFO L290 TraceCheckUtils]: 24: Hoare triple {2212#true} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2212#true} {2212#true} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 22: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 21: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 20: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L272 TraceCheckUtils]: 19: Hoare triple {2212#true} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2212#true} {2212#true} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 17: Hoare triple {2212#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 16: Hoare triple {2212#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 15: Hoare triple {2212#true} [114] __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] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L272 TraceCheckUtils]: 14: Hoare triple {2212#true} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,378 INFO L290 TraceCheckUtils]: 13: Hoare triple {2212#true} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 12: Hoare triple {2212#true} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 11: Hoare triple {2212#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2212#true} {2212#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 9: Hoare triple {2212#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 8: Hoare triple {2212#true} [108] 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[] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 7: Hoare triple {2212#true} [104] 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] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L272 TraceCheckUtils]: 6: Hoare triple {2212#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 5: Hoare triple {2212#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L272 TraceCheckUtils]: 4: Hoare triple {2212#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2212#true} {2212#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,379 INFO L290 TraceCheckUtils]: 2: Hoare triple {2212#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {2212#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {2212#true} is VALID [2022-04-27 17:39:52,380 INFO L272 TraceCheckUtils]: 0: Hoare triple {2212#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2212#true} is VALID [2022-04-27 17:39:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-27 17:39:52,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:39:52,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254564863] [2022-04-27 17:39:52,380 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:39:52,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089909859] [2022-04-27 17:39:52,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089909859] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 17:39:52,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 17:39:52,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-27 17:39:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244121201] [2022-04-27 17:39:52,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 17:39:52,381 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 47 [2022-04-27 17:39:52,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:39:52,381 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-27 17:39:52,415 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:52,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-27 17:39:52,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:39:52,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-27 17:39:52,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-27 17:39:52,417 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-27 17:39:52,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:52,663 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-27 17:39:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 17:39:52,664 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 47 [2022-04-27 17:39:52,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:39:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-27 17:39:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-27 17:39:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-27 17:39:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 46 transitions. [2022-04-27 17:39:52,666 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 46 transitions. [2022-04-27 17:39:52,699 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:39:52,700 INFO L225 Difference]: With dead ends: 86 [2022-04-27 17:39:52,700 INFO L226 Difference]: Without dead ends: 86 [2022-04-27 17:39:52,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-04-27 17:39:52,701 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 37 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 17:39:52,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 98 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 17:39:52,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-04-27 17:39:52,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-04-27 17:39:52,704 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:39:52,705 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:52,705 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:52,705 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:52,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:52,707 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-27 17:39:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-27 17:39:52,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:52,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:52,708 INFO L74 IsIncluded]: Start isIncluded. First operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 86 states. [2022-04-27 17:39:52,708 INFO L87 Difference]: Start difference. First operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 86 states. [2022-04-27 17:39:52,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:39:52,710 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-27 17:39:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-27 17:39:52,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:39:52,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:39:52,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:39:52,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:39:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 55 states have internal predecessors, (64), 23 states have call successors, (23), 10 states have call predecessors, (23), 9 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:39:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-04-27 17:39:52,713 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 47 [2022-04-27 17:39:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:39:52,713 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-04-27 17:39:52,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-04-27 17:39:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-27 17:39:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-27 17:39:52,714 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:39:52,714 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1] [2022-04-27 17:39:52,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-27 17:39:52,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:52,927 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:39:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:39:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1984817020, now seen corresponding path program 1 times [2022-04-27 17:39:52,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:39:52,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779037710] [2022-04-27 17:39:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:39:52,937 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:39:52,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662045682] [2022-04-27 17:39:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:39:52,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:39:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:39:52,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:39:52,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-27 17:39:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:52,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-27 17:39:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:39:52,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:39:53,380 INFO L272 TraceCheckUtils]: 0: Hoare triple {2853#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {2853#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {2853#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2853#true} {2853#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L272 TraceCheckUtils]: 4: Hoare triple {2853#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 5: Hoare triple {2853#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L272 TraceCheckUtils]: 6: Hoare triple {2853#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 7: Hoare triple {2853#true} [104] 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] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 8: Hoare triple {2853#true} [108] 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[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L290 TraceCheckUtils]: 9: Hoare triple {2853#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,381 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2853#true} {2853#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2853#true} is VALID [2022-04-27 17:39:53,382 INFO L290 TraceCheckUtils]: 11: Hoare triple {2853#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,382 INFO L290 TraceCheckUtils]: 12: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,382 INFO L290 TraceCheckUtils]: 13: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,383 INFO L272 TraceCheckUtils]: 14: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2853#true} is VALID [2022-04-27 17:39:53,383 INFO L290 TraceCheckUtils]: 15: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-27 17:39:53,383 INFO L290 TraceCheckUtils]: 16: Hoare triple {2853#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,384 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2853#true} {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,384 INFO L272 TraceCheckUtils]: 19: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2853#true} is VALID [2022-04-27 17:39:53,384 INFO L290 TraceCheckUtils]: 20: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-27 17:39:53,384 INFO L290 TraceCheckUtils]: 21: Hoare triple {2853#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,384 INFO L290 TraceCheckUtils]: 22: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,385 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2853#true} {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,385 INFO L290 TraceCheckUtils]: 24: Hoare triple {2891#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,386 INFO L290 TraceCheckUtils]: 25: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,386 INFO L290 TraceCheckUtils]: 26: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,386 INFO L272 TraceCheckUtils]: 27: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2853#true} is VALID [2022-04-27 17:39:53,386 INFO L290 TraceCheckUtils]: 28: Hoare triple {2853#true} [114] __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] {2944#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:53,387 INFO L290 TraceCheckUtils]: 29: Hoare triple {2944#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:53,387 INFO L290 TraceCheckUtils]: 30: Hoare triple {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:39:53,388 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2948#(not (= |__VERIFIER_assert_#in~cond| 0))} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,388 INFO L272 TraceCheckUtils]: 32: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2853#true} is VALID [2022-04-27 17:39:53,389 INFO L290 TraceCheckUtils]: 33: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-27 17:39:53,389 INFO L290 TraceCheckUtils]: 34: Hoare triple {2853#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,389 INFO L290 TraceCheckUtils]: 35: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,389 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2853#true} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,389 INFO L272 TraceCheckUtils]: 37: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2853#true} is VALID [2022-04-27 17:39:53,389 INFO L290 TraceCheckUtils]: 38: Hoare triple {2853#true} [114] __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] {2853#true} is VALID [2022-04-27 17:39:53,390 INFO L290 TraceCheckUtils]: 39: Hoare triple {2853#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,390 INFO L290 TraceCheckUtils]: 40: Hoare triple {2853#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2853#true} is VALID [2022-04-27 17:39:53,390 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2853#true} {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,391 INFO L290 TraceCheckUtils]: 42: Hoare triple {2931#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [129] L49-->L46-4: Formula: (not (<= (* v_main_~b~0_6 2) v_main_~r~0_8)) InVars {main_~b~0=v_main_~b~0_6, main_~r~0=v_main_~r~0_8} OutVars{main_~b~0=v_main_~b~0_6, main_~r~0=v_main_~r~0_8} AuxVars[] AssignedVars[] {2988#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (not (<= (* main_~b~0 2) main_~r~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 17:39:53,391 INFO L290 TraceCheckUtils]: 43: Hoare triple {2988#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (<= main_~y~0 main_~r~0) (not (<= (* main_~b~0 2) main_~r~0)) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-27 17:39:53,392 INFO L290 TraceCheckUtils]: 44: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-27 17:39:53,392 INFO L290 TraceCheckUtils]: 45: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} is VALID [2022-04-27 17:39:53,393 INFO L272 TraceCheckUtils]: 46: Hoare triple {2992#(and (not (<= main_~x~0 (* main_~r~0 2))) (= (+ main_~x~0 (* (- 1) main_~r~0)) main_~y~0) (= main_~q~0 1) (<= main_~y~0 main_~x~0))} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3002#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:39:53,393 INFO L290 TraceCheckUtils]: 47: Hoare triple {3002#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3006#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:39:53,393 INFO L290 TraceCheckUtils]: 48: Hoare triple {3006#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {2854#false} is VALID [2022-04-27 17:39:53,394 INFO L290 TraceCheckUtils]: 49: Hoare triple {2854#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2854#false} is VALID [2022-04-27 17:39:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-27 17:39:53,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 17:40:32,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:40:32,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779037710] [2022-04-27 17:40:32,108 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:40:32,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662045682] [2022-04-27 17:40:32,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662045682] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 17:40:32,108 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-27 17:40:32,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-27 17:40:32,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535693686] [2022-04-27 17:40:32,108 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-27 17:40:32,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 50 [2022-04-27 17:40:32,109 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:40:32,109 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 17:40:32,145 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:40:32,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-27 17:40:32,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:40:32,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-27 17:40:32,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-04-27 17:40:32,146 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 17:40:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:32,746 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2022-04-27 17:40:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-27 17:40:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 50 [2022-04-27 17:40:32,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:40:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 17:40:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 92 transitions. [2022-04-27 17:40:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 17:40:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 92 transitions. [2022-04-27 17:40:32,750 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 92 transitions. [2022-04-27 17:40:32,823 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:40:32,825 INFO L225 Difference]: With dead ends: 104 [2022-04-27 17:40:32,825 INFO L226 Difference]: Without dead ends: 93 [2022-04-27 17:40:32,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-04-27 17:40:32,825 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-27 17:40:32,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 165 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-27 17:40:32,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-27 17:40:32,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-04-27 17:40:32,829 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:40:32,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:40:32,829 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:40:32,830 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:40:32,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:32,832 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-27 17:40:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-27 17:40:32,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:40:32,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:40:32,832 INFO L74 IsIncluded]: Start isIncluded. First operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 93 states. [2022-04-27 17:40:32,833 INFO L87 Difference]: Start difference. First operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) Second operand 93 states. [2022-04-27 17:40:32,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:32,835 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-27 17:40:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-27 17:40:32,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:40:32,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:40:32,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:40:32,835 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:40:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2022-04-27 17:40:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2022-04-27 17:40:32,837 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 50 [2022-04-27 17:40:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:40:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2022-04-27 17:40:32,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 17:40:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2022-04-27 17:40:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-27 17:40:32,838 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:40:32,838 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 2, 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, 1, 1, 1, 1, 1, 1] [2022-04-27 17:40:32,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-27 17:40:33,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-27 17:40:33,052 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:40:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:40:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1119467195, now seen corresponding path program 1 times [2022-04-27 17:40:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:40:33,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862664535] [2022-04-27 17:40:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:40:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:40:33,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 17:40:33,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320950076] [2022-04-27 17:40:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:40:33,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:40:33,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:40:33,065 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 17:40:33,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-27 17:40:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:40:33,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2022-04-27 17:40:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:40:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:40:33,523 INFO L272 TraceCheckUtils]: 0: Hoare triple {3483#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L290 TraceCheckUtils]: 1: Hoare triple {3483#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L290 TraceCheckUtils]: 2: Hoare triple {3483#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3483#true} {3483#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L272 TraceCheckUtils]: 4: Hoare triple {3483#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L290 TraceCheckUtils]: 5: Hoare triple {3483#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,523 INFO L272 TraceCheckUtils]: 6: Hoare triple {3483#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-27 17:40:33,524 INFO L290 TraceCheckUtils]: 7: Hoare triple {3483#true} [104] 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] {3509#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 17:40:33,537 INFO L290 TraceCheckUtils]: 8: Hoare triple {3509#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [108] 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[] {3513#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 17:40:33,538 INFO L290 TraceCheckUtils]: 9: Hoare triple {3513#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3513#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 17:40:33,538 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3513#(not (= |assume_abort_if_not_#in~cond| 0))} {3483#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3520#(<= 1 main_~y~0)} is VALID [2022-04-27 17:40:33,539 INFO L290 TraceCheckUtils]: 11: Hoare triple {3520#(<= 1 main_~y~0)} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,539 INFO L290 TraceCheckUtils]: 12: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,539 INFO L290 TraceCheckUtils]: 13: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,539 INFO L272 TraceCheckUtils]: 14: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,540 INFO L290 TraceCheckUtils]: 15: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,540 INFO L290 TraceCheckUtils]: 16: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,540 INFO L290 TraceCheckUtils]: 17: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,540 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3483#true} {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,540 INFO L272 TraceCheckUtils]: 19: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,540 INFO L290 TraceCheckUtils]: 20: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,541 INFO L290 TraceCheckUtils]: 21: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,541 INFO L290 TraceCheckUtils]: 22: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,541 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3483#true} {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,541 INFO L290 TraceCheckUtils]: 24: Hoare triple {3524#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,542 INFO L290 TraceCheckUtils]: 25: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,549 INFO L290 TraceCheckUtils]: 26: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,549 INFO L272 TraceCheckUtils]: 27: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,549 INFO L290 TraceCheckUtils]: 28: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,549 INFO L290 TraceCheckUtils]: 29: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,549 INFO L290 TraceCheckUtils]: 30: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,550 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,550 INFO L272 TraceCheckUtils]: 32: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,550 INFO L290 TraceCheckUtils]: 33: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,550 INFO L290 TraceCheckUtils]: 34: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,550 INFO L290 TraceCheckUtils]: 35: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,551 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,551 INFO L272 TraceCheckUtils]: 37: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,551 INFO L290 TraceCheckUtils]: 38: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,551 INFO L290 TraceCheckUtils]: 39: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,551 INFO L290 TraceCheckUtils]: 40: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,552 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,552 INFO L290 TraceCheckUtils]: 42: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,552 INFO L272 TraceCheckUtils]: 43: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,552 INFO L290 TraceCheckUtils]: 44: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,552 INFO L290 TraceCheckUtils]: 45: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,552 INFO L290 TraceCheckUtils]: 46: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,557 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {3483#true} {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [145] __VERIFIER_assertEXIT-->L54-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,558 INFO L290 TraceCheckUtils]: 48: Hoare triple {3564#(and (= main_~a~0 1) (= main_~x~0 main_~r~0) (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0))} [131] L54-1-->L46-3: Formula: (and (= v_main_~a~0_7 (* v_main_~a~0_8 2)) (= v_main_~b~0_8 (* v_main_~b~0_9 2))) InVars {main_~b~0=v_main_~b~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~b~0=v_main_~b~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,558 INFO L290 TraceCheckUtils]: 49: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,558 INFO L290 TraceCheckUtils]: 50: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,559 INFO L290 TraceCheckUtils]: 51: Hoare triple {3637#(and (= main_~x~0 main_~r~0) (= main_~b~0 (* main_~y~0 2)) (= main_~q~0 0) (= main_~a~0 2) (<= 1 main_~y~0))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,559 INFO L290 TraceCheckUtils]: 52: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,560 INFO L290 TraceCheckUtils]: 53: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-27 17:40:33,560 INFO L272 TraceCheckUtils]: 54: Hoare triple {3647#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:40:33,561 INFO L290 TraceCheckUtils]: 55: Hoare triple {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3661#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:40:33,561 INFO L290 TraceCheckUtils]: 56: Hoare triple {3661#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {3484#false} is VALID [2022-04-27 17:40:33,561 INFO L290 TraceCheckUtils]: 57: Hoare triple {3484#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3484#false} is VALID [2022-04-27 17:40:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-27 17:40:33,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 17:40:33,857 INFO L290 TraceCheckUtils]: 57: Hoare triple {3484#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3484#false} is VALID [2022-04-27 17:40:33,858 INFO L290 TraceCheckUtils]: 56: Hoare triple {3661#(<= 1 __VERIFIER_assert_~cond)} [117] 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[] {3484#false} is VALID [2022-04-27 17:40:33,858 INFO L290 TraceCheckUtils]: 55: Hoare triple {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} [114] __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] {3661#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:40:33,859 INFO L272 TraceCheckUtils]: 54: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [109] L37-4-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~x~0_10 (+ v_main_~r~0_18 (* v_main_~q~0_10 v_main_~y~0_19))) 1 0) |v___VERIFIER_assert_#in~condInParam_7|) InVars {main_~q~0=v_main_~q~0_10, main_~y~0=v_main_~y~0_19, main_~x~0=v_main_~x~0_10, main_~r~0=v_main_~r~0_18} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_7|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3657#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:40:33,859 INFO L290 TraceCheckUtils]: 53: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [110] L37-1-->L37-4: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,859 INFO L290 TraceCheckUtils]: 52: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,866 INFO L290 TraceCheckUtils]: 51: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [132] L46-4-->L37-3: Formula: (and (= v_main_~q~0_5 (+ v_main_~a~0_9 v_main_~q~0_6)) (= v_main_~r~0_11 (+ v_main_~r~0_12 (* (- 1) v_main_~b~0_10)))) InVars {main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_12, main_~a~0=v_main_~a~0_9} OutVars{main_~q~0=v_main_~q~0_5, main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~r~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,867 INFO L290 TraceCheckUtils]: 50: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [133] L46-1-->L46-4: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-27 17:40:33,867 INFO L290 TraceCheckUtils]: 49: Hoare triple {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-27 17:40:33,870 INFO L290 TraceCheckUtils]: 48: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [131] L54-1-->L46-3: Formula: (and (= v_main_~a~0_7 (* v_main_~a~0_8 2)) (= v_main_~b~0_8 (* v_main_~b~0_9 2))) InVars {main_~b~0=v_main_~b~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~b~0=v_main_~b~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3687#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-27 17:40:33,870 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [145] __VERIFIER_assertEXIT-->L54-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,870 INFO L290 TraceCheckUtils]: 46: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,870 INFO L290 TraceCheckUtils]: 45: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,870 INFO L290 TraceCheckUtils]: 44: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,871 INFO L272 TraceCheckUtils]: 43: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [135] L54-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (<= (* 2 (* v_main_~y~0_18 v_main_~a~0_12)) v_main_~r~0_17) 1 0)) InVars {main_~y~0=v_main_~y~0_18, main_~r~0=v_main_~r~0_17, main_~a~0=v_main_~a~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,871 INFO L290 TraceCheckUtils]: 42: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [130] L49-->L54: Formula: (<= (* v_main_~b~0_7 2) v_main_~r~0_9) InVars {main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_7, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,872 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [144] __VERIFIER_assertEXIT-->L49: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,872 INFO L290 TraceCheckUtils]: 40: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,872 INFO L290 TraceCheckUtils]: 39: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,872 INFO L290 TraceCheckUtils]: 38: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,872 INFO L272 TraceCheckUtils]: 37: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [128] L48-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_5| (ite (<= 0 v_main_~r~0_16) 1 0)) InVars {main_~r~0=v_main_~r~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_5|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,872 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [143] __VERIFIER_assertEXIT-->L48: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,873 INFO L290 TraceCheckUtils]: 35: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,873 INFO L290 TraceCheckUtils]: 34: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,873 INFO L290 TraceCheckUtils]: 33: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,873 INFO L272 TraceCheckUtils]: 32: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [127] L47-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= v_main_~x~0_9 (+ v_main_~r~0_15 (* v_main_~y~0_17 v_main_~q~0_9))) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~y~0=v_main_~y~0_17, main_~x~0=v_main_~x~0_9, main_~r~0=v_main_~r~0_15} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,873 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {3483#true} {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [142] __VERIFIER_assertEXIT-->L47-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,873 INFO L290 TraceCheckUtils]: 30: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,874 INFO L290 TraceCheckUtils]: 29: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,874 INFO L290 TraceCheckUtils]: 28: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,874 INFO L272 TraceCheckUtils]: 27: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [136] L47-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_16 v_main_~a~0_11) v_main_~b~0_12) 1 0)) InVars {main_~y~0=v_main_~y~0_16, main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,874 INFO L290 TraceCheckUtils]: 26: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [134] L46-1-->L47: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,874 INFO L290 TraceCheckUtils]: 25: Hoare triple {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} [126] L46-3-->L46-1: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,875 INFO L290 TraceCheckUtils]: 24: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [124] L39-->L46-3: Formula: (and (= v_main_~b~0_4 v_main_~y~0_8) (<= v_main_~y~0_8 v_main_~r~0_5) (= v_main_~a~0_4 1)) InVars {main_~y~0=v_main_~y~0_8, main_~r~0=v_main_~r~0_5} OutVars{main_~y~0=v_main_~y~0_8, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_5, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~b~0, main_~a~0] {3697#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,875 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3483#true} {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [141] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,875 INFO L290 TraceCheckUtils]: 22: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,876 INFO L290 TraceCheckUtils]: 21: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,876 INFO L290 TraceCheckUtils]: 20: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,876 INFO L272 TraceCheckUtils]: 19: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [119] L38-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~x~0_8 (+ v_main_~r~0_14 (* v_main_~y~0_15 v_main_~q~0_8))) 1 0)) InVars {main_~q~0=v_main_~q~0_8, main_~y~0=v_main_~y~0_15, main_~x~0=v_main_~x~0_8, main_~r~0=v_main_~r~0_14} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~r~0] {3483#true} is VALID [2022-04-27 17:40:33,876 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3483#true} {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [140] __VERIFIER_assertEXIT-->L38-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,876 INFO L290 TraceCheckUtils]: 17: Hoare triple {3483#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,876 INFO L290 TraceCheckUtils]: 16: Hoare triple {3483#true} [118] L15-->L15-2: Formula: (not (= v___VERIFIER_assert_~cond_3 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,877 INFO L290 TraceCheckUtils]: 15: Hoare triple {3483#true} [114] __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] {3483#true} is VALID [2022-04-27 17:40:33,877 INFO L272 TraceCheckUtils]: 14: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [115] L38-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~y~0_14 v_main_~a~0_10) v_main_~b~0_11) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_14, main_~b~0=v_main_~b~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~y~0, main_~b~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,877 INFO L290 TraceCheckUtils]: 13: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [111] L37-1-->L38: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,877 INFO L290 TraceCheckUtils]: 12: Hoare triple {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} [106] L37-3-->L37-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 11: Hoare triple {3483#true} [103] L30-1-->L37-3: Formula: (and (= v_main_~b~0_2 0) (= v_main_~q~0_2 0) (= v_main_~a~0_2 0) (= v_main_~r~0_2 v_main_~x~0_4)) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~q~0=v_main_~q~0_2, main_~x~0=v_main_~x~0_4, main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_2, main_~a~0=v_main_~a~0_2} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0, main_~a~0] {3677#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-27 17:40:33,878 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3483#true} {3483#true} [138] assume_abort_if_notEXIT-->L30-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 9: Hoare triple {3483#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 8: Hoare triple {3483#true} [108] 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[] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 7: Hoare triple {3483#true} [104] 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] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L272 TraceCheckUtils]: 6: Hoare triple {3483#true} [102] L30-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~y~0_13) 1 0)) InVars {main_~y~0=v_main_~y~0_13} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 5: Hoare triple {3483#true} [100] mainENTRY-->L30: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~r~0, main_~a~0] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L272 TraceCheckUtils]: 4: Hoare triple {3483#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3483#true} {3483#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 2: Hoare triple {3483#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L290 TraceCheckUtils]: 1: Hoare triple {3483#true} [98] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select |v_#length_1| 2) 14) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_5, #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[~counter~0, #NULL.offset, #NULL.base] {3483#true} is VALID [2022-04-27 17:40:33,878 INFO L272 TraceCheckUtils]: 0: Hoare triple {3483#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3483#true} is VALID [2022-04-27 17:40:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-27 17:40:33,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:40:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862664535] [2022-04-27 17:40:33,879 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 17:40:33,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320950076] [2022-04-27 17:40:33,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320950076] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 17:40:33,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 17:40:33,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2022-04-27 17:40:33,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334324529] [2022-04-27 17:40:33,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 17:40:33,880 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 58 [2022-04-27 17:40:33,880 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:40:33,880 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-27 17:40:33,941 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:40:33,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-27 17:40:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:40:33,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-27 17:40:33,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-04-27 17:40:33,942 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-27 17:40:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:35,800 INFO L93 Difference]: Finished difference Result 126 states and 167 transitions. [2022-04-27 17:40:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-27 17:40:35,800 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 58 [2022-04-27 17:40:35,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:40:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-27 17:40:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 118 transitions. [2022-04-27 17:40:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-27 17:40:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 118 transitions. [2022-04-27 17:40:35,805 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 118 transitions. [2022-04-27 17:40:35,935 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:40:35,935 INFO L225 Difference]: With dead ends: 126 [2022-04-27 17:40:35,935 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 17:40:35,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2022-04-27 17:40:35,936 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-27 17:40:35,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 268 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-27 17:40:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 17:40:35,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 17:40:35,936 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:40:35,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:40:35,936 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:40:35,936 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:40:35,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:35,937 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 17:40:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:40:35,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:40:35,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:40:35,937 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 17:40:35,937 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 17:40:35,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:40:35,937 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 17:40:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:40:35,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:40:35,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:40:35,937 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:40:35,937 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:40:35,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:40:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 17:40:35,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2022-04-27 17:40:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:40:35,938 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 17:40:35,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 12 states have internal predecessors, (40), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-04-27 17:40:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:40:35,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:40:35,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 17:40:35,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-27 17:40:36,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-27 17:40:36,160 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:40:36,161 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 17:40:36,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:40:36 BasicIcfg [2022-04-27 17:40:36,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 17:40:36,163 INFO L158 Benchmark]: Toolchain (without parser) took 60183.16ms. Allocated memory was 194.0MB in the beginning and 233.8MB in the end (delta: 39.8MB). Free memory was 145.6MB in the beginning and 159.3MB in the end (delta: -13.8MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,164 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 17:40:36,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.63ms. Allocated memory is still 194.0MB. Free memory was 145.4MB in the beginning and 170.5MB in the end (delta: -25.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,164 INFO L158 Benchmark]: Boogie Preprocessor took 38.92ms. Allocated memory is still 194.0MB. Free memory was 170.5MB in the beginning and 169.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,164 INFO L158 Benchmark]: RCFGBuilder took 301.44ms. Allocated memory is still 194.0MB. Free memory was 169.0MB in the beginning and 156.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,164 INFO L158 Benchmark]: IcfgTransformer took 38.59ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,168 INFO L158 Benchmark]: TraceAbstraction took 59606.24ms. Allocated memory was 194.0MB in the beginning and 233.8MB in the end (delta: 39.8MB). Free memory was 154.3MB in the beginning and 159.3MB in the end (delta: -5.0MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. [2022-04-27 17:40:36,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 192.63ms. Allocated memory is still 194.0MB. Free memory was 145.4MB in the beginning and 170.5MB in the end (delta: -25.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.92ms. Allocated memory is still 194.0MB. Free memory was 170.5MB in the beginning and 169.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 301.44ms. Allocated memory is still 194.0MB. Free memory was 169.0MB in the beginning and 156.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 38.59ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 59606.24ms. Allocated memory was 194.0MB in the beginning and 233.8MB in the end (delta: 39.8MB). Free memory was 154.3MB in the beginning and 159.3MB in the end (delta: -5.0MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.6s, OverallIterations: 10, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 242 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 215 mSDsluCounter, 1397 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 996 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1113 IncrementalHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 401 mSDtfsCounter, 1113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 466 GetRequests, 390 SyntacticMatches, 5 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 52.0s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1364 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1098 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 327/356 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-27 17:40:36,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...