/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 00:03:04,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 00:03:04,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 00:03:04,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 00:03:04,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 00:03:04,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 00:03:04,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 00:03:04,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 00:03:04,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 00:03:04,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 00:03:04,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 00:03:04,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 00:03:04,188 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 00:03:04,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 00:03:04,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 00:03:04,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 00:03:04,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 00:03:04,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 00:03:04,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 00:03:04,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 00:03:04,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 00:03:04,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 00:03:04,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 00:03:04,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 00:03:04,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 00:03:04,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 00:03:04,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 00:03:04,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 00:03:04,240 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 00:03:04,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 00:03:04,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 00:03:04,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 00:03:04,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 00:03:04,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 00:03:04,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 00:03:04,243 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 00:03:04,243 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 00:03:04,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 00:03:04,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 00:03:04,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 00:03:04,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 00:03:04,427 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 00:03:04,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-08 00:03:04,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87efb46b5/71a423be5c64489c94e7b6d0a8fa15b5/FLAG6800c6522 [2022-04-08 00:03:04,821 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 00:03:04,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2022-04-08 00:03:04,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87efb46b5/71a423be5c64489c94e7b6d0a8fa15b5/FLAG6800c6522 [2022-04-08 00:03:04,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87efb46b5/71a423be5c64489c94e7b6d0a8fa15b5 [2022-04-08 00:03:04,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 00:03:04,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 00:03:04,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 00:03:04,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 00:03:04,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 00:03:04,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:03:04" (1/1) ... [2022-04-08 00:03:04,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697c1957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:04, skipping insertion in model container [2022-04-08 00:03:04,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:03:04" (1/1) ... [2022-04-08 00:03:04,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 00:03:04,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 00:03:04,958 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] [2022-04-08 00:03:04,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 00:03:04,980 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 00:03:04,991 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] [2022-04-08 00:03:05,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 00:03:05,019 INFO L208 MainTranslator]: Completed translation [2022-04-08 00:03:05,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05 WrapperNode [2022-04-08 00:03:05,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 00:03:05,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 00:03:05,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 00:03:05,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 00:03:05,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 00:03:05,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 00:03:05,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 00:03:05,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 00:03:05,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 00:03:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:05,070 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) [2022-04-08 00:03:05,072 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 [2022-04-08 00:03:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 00:03:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 00:03:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 00:03:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 00:03:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 00:03:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 00:03:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 00:03:05,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 00:03:05,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 00:03:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 00:03:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 00:03:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 00:03:05,142 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 00:03:05,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 00:03:05,280 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 00:03:05,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 00:03:05,298 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-08 00:03:05,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:03:05 BoogieIcfgContainer [2022-04-08 00:03:05,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 00:03:05,300 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 00:03:05,300 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 00:03:05,301 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 00:03:05,303 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:03:05" (1/1) ... [2022-04-08 00:03:05,304 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 00:03:05,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 12:03:05 BasicIcfg [2022-04-08 00:03:05,336 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-08 00:03:05,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 00:03:05,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 00:03:05,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 00:03:05,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 12:03:04" (1/4) ... [2022-04-08 00:03:05,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e264f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:03:05, skipping insertion in model container [2022-04-08 00:03:05,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:03:05" (2/4) ... [2022-04-08 00:03:05,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e264f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:03:05, skipping insertion in model container [2022-04-08 00:03:05,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:03:05" (3/4) ... [2022-04-08 00:03:05,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e264f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 12:03:05, skipping insertion in model container [2022-04-08 00:03:05,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 12:03:05" (4/4) ... [2022-04-08 00:03:05,341 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound2.cqvasr [2022-04-08 00:03:05,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-08 00:03:05,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 00:03:05,394 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 00:03:05,398 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 00:03:05,398 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 00:03:05,418 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) [2022-04-08 00:03:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 00:03:05,424 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:05,424 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:03:05,425 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:05,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1213541379, now seen corresponding path program 1 times [2022-04-08 00:03:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:05,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814672024] [2022-04-08 00:03:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 00:03:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:05,621 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 [2022-04-08 00:03:05,621 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-08 00:03:05,622 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 [2022-04-08 00:03:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 00:03:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:05,638 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 [2022-04-08 00:03:05,640 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-08 00:03:05,640 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 [2022-04-08 00:03:05,640 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 [2022-04-08 00:03:05,642 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 [2022-04-08 00:03:05,643 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 [2022-04-08 00:03:05,643 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-08 00:03:05,643 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 [2022-04-08 00:03:05,644 INFO L272 TraceCheckUtils]: 4: Hoare triple {41#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#true} is VALID [2022-04-08 00:03:05,644 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 [2022-04-08 00:03:05,644 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 [2022-04-08 00:03:05,644 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 [2022-04-08 00:03:05,645 INFO L290 TraceCheckUtils]: 8: Hoare triple {41#true} [107] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-08 00:03:05,645 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 [2022-04-08 00:03:05,646 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 [2022-04-08 00:03:05,646 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 [2022-04-08 00:03:05,647 INFO L290 TraceCheckUtils]: 12: Hoare triple {42#false} [105] L37-3-->L37-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-08 00:03:05,647 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 [2022-04-08 00:03:05,647 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 [2022-04-08 00:03:05,647 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 [2022-04-08 00:03:05,648 INFO L290 TraceCheckUtils]: 16: Hoare triple {42#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {42#false} is VALID [2022-04-08 00:03:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 00:03:05,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:05,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814672024] [2022-04-08 00:03:05,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814672024] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:05,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:05,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 00:03:05,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966417510] [2022-04-08 00:03:05,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:05,656 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 [2022-04-08 00:03:05,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:05,660 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) [2022-04-08 00:03:05,680 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:05,680 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 00:03:05,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:05,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 00:03:05,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 00:03:05,698 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) [2022-04-08 00:03:05,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:05,856 INFO L93 Difference]: Finished difference Result 68 states and 101 transitions. [2022-04-08 00:03:05,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 00:03:05,857 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 [2022-04-08 00:03:05,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:05,858 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) [2022-04-08 00:03:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-04-08 00:03:05,864 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) [2022-04-08 00:03:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2022-04-08 00:03:05,870 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 101 transitions. [2022-04-08 00:03:05,968 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:05,975 INFO L225 Difference]: With dead ends: 68 [2022-04-08 00:03:05,975 INFO L226 Difference]: Without dead ends: 34 [2022-04-08 00:03:05,977 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:05,979 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:05,980 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-08 00:03:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-08 00:03:06,001 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:06,002 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) [2022-04-08 00:03:06,003 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) [2022-04-08 00:03:06,004 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) [2022-04-08 00:03:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:06,016 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-08 00:03:06,016 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-08 00:03:06,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:06,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:06,017 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. [2022-04-08 00:03:06,017 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. [2022-04-08 00:03:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:06,024 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-08 00:03:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-04-08 00:03:06,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:06,025 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:06,025 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:06,025 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:06,025 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) [2022-04-08 00:03:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2022-04-08 00:03:06,028 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 17 [2022-04-08 00:03:06,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:06,028 INFO L478 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2022-04-08 00:03:06,029 INFO L479 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) [2022-04-08 00:03:06,029 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-04-08 00:03:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-08 00:03:06,029 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:06,029 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:03:06,030 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 00:03:06,030 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:06,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1202035559, now seen corresponding path program 1 times [2022-04-08 00:03:06,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:06,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411377464] [2022-04-08 00:03:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:06,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:06,058 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:06,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231330279] [2022-04-08 00:03:06,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:06,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:06,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:06,068 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) [2022-04-08 00:03:06,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 00:03:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:06,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 00:03:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:06,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:06,312 INFO L272 TraceCheckUtils]: 0: Hoare triple {265#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {265#true} is VALID [2022-04-08 00:03:06,313 INFO L290 TraceCheckUtils]: 1: Hoare triple {265#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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,313 INFO L290 TraceCheckUtils]: 2: Hoare triple {273#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,313 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {273#(<= ~counter~0 0)} {265#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,314 INFO L272 TraceCheckUtils]: 4: Hoare triple {273#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,314 INFO L290 TraceCheckUtils]: 5: Hoare triple {273#(<= ~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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,315 INFO L272 TraceCheckUtils]: 6: Hoare triple {273#(<= ~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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,316 INFO L290 TraceCheckUtils]: 7: Hoare triple {273#(<= ~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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,316 INFO L290 TraceCheckUtils]: 8: Hoare triple {273#(<= ~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[] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,316 INFO L290 TraceCheckUtils]: 9: Hoare triple {273#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,317 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {273#(<= ~counter~0 0)} {273#(<= ~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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,317 INFO L290 TraceCheckUtils]: 11: Hoare triple {273#(<= ~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] {273#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:06,318 INFO L290 TraceCheckUtils]: 12: Hoare triple {273#(<= ~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] {307#(<= |main_#t~post6| 0)} is VALID [2022-04-08 00:03:06,319 INFO L290 TraceCheckUtils]: 13: Hoare triple {307#(<= |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] {266#false} is VALID [2022-04-08 00:03:06,319 INFO L272 TraceCheckUtils]: 14: Hoare triple {266#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] {266#false} is VALID [2022-04-08 00:03:06,319 INFO L290 TraceCheckUtils]: 15: Hoare triple {266#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] {266#false} is VALID [2022-04-08 00:03:06,320 INFO L290 TraceCheckUtils]: 16: Hoare triple {266#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[] {266#false} is VALID [2022-04-08 00:03:06,320 INFO L290 TraceCheckUtils]: 17: Hoare triple {266#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {266#false} is VALID [2022-04-08 00:03:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 00:03:06,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:06,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:06,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411377464] [2022-04-08 00:03:06,321 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:06,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231330279] [2022-04-08 00:03:06,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231330279] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:06,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:06,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 00:03:06,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029031769] [2022-04-08 00:03:06,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:06,327 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 [2022-04-08 00:03:06,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:06,328 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) [2022-04-08 00:03:06,340 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:06,340 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 00:03:06,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 00:03:06,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 00:03:06,342 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) [2022-04-08 00:03:06,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:06,410 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2022-04-08 00:03:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 00:03:06,411 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 [2022-04-08 00:03:06,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:06,411 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) [2022-04-08 00:03:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2022-04-08 00:03:06,413 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) [2022-04-08 00:03:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2022-04-08 00:03:06,415 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 51 transitions. [2022-04-08 00:03:06,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:06,448 INFO L225 Difference]: With dead ends: 42 [2022-04-08 00:03:06,448 INFO L226 Difference]: Without dead ends: 35 [2022-04-08 00:03:06,449 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:06,449 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:06,450 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:06,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-08 00:03:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-08 00:03:06,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:06,457 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) [2022-04-08 00:03:06,457 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) [2022-04-08 00:03:06,458 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) [2022-04-08 00:03:06,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:06,459 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-08 00:03:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-08 00:03:06,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:06,460 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:06,461 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. [2022-04-08 00:03:06,461 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. [2022-04-08 00:03:06,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:06,463 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-04-08 00:03:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-08 00:03:06,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:06,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:06,464 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:06,464 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:06,464 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) [2022-04-08 00:03:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2022-04-08 00:03:06,466 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 18 [2022-04-08 00:03:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:06,466 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-04-08 00:03:06,466 INFO L479 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) [2022-04-08 00:03:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-04-08 00:03:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-08 00:03:06,467 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:06,467 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:03:06,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:06,696 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:06,696 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1200933292, now seen corresponding path program 1 times [2022-04-08 00:03:06,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:06,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122695097] [2022-04-08 00:03:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:06,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:06,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:06,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010973759] [2022-04-08 00:03:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:06,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:06,712 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) [2022-04-08 00:03:06,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 00:03:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:06,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:03:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:06,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:06,848 INFO L272 TraceCheckUtils]: 0: Hoare triple {505#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#true} is VALID [2022-04-08 00:03:06,848 INFO L290 TraceCheckUtils]: 1: Hoare triple {505#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] {505#true} is VALID [2022-04-08 00:03:06,848 INFO L290 TraceCheckUtils]: 2: Hoare triple {505#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#true} is VALID [2022-04-08 00:03:06,848 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {505#true} {505#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L272 TraceCheckUtils]: 4: Hoare triple {505#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L290 TraceCheckUtils]: 5: Hoare triple {505#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] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L272 TraceCheckUtils]: 6: Hoare triple {505#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] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L290 TraceCheckUtils]: 7: Hoare triple {505#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] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L290 TraceCheckUtils]: 8: Hoare triple {505#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[] {505#true} is VALID [2022-04-08 00:03:06,849 INFO L290 TraceCheckUtils]: 9: Hoare triple {505#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#true} is VALID [2022-04-08 00:03:06,850 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {505#true} {505#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] {505#true} is VALID [2022-04-08 00:03:06,850 INFO L290 TraceCheckUtils]: 11: Hoare triple {505#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] {543#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-08 00:03:06,851 INFO L290 TraceCheckUtils]: 12: Hoare triple {543#(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] {543#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-08 00:03:06,851 INFO L290 TraceCheckUtils]: 13: Hoare triple {543#(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] {543#(and (= main_~a~0 0) (= main_~b~0 0))} is VALID [2022-04-08 00:03:06,852 INFO L272 TraceCheckUtils]: 14: Hoare triple {543#(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] {553#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:06,852 INFO L290 TraceCheckUtils]: 15: Hoare triple {553#(<= 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] {557#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:06,853 INFO L290 TraceCheckUtils]: 16: Hoare triple {557#(<= 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[] {506#false} is VALID [2022-04-08 00:03:06,853 INFO L290 TraceCheckUtils]: 17: Hoare triple {506#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {506#false} is VALID [2022-04-08 00:03:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 00:03:06,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:06,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:06,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122695097] [2022-04-08 00:03:06,854 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:06,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010973759] [2022-04-08 00:03:06,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010973759] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:06,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:06,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 00:03:06,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569733563] [2022-04-08 00:03:06,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:06,855 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 [2022-04-08 00:03:06,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:06,855 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) [2022-04-08 00:03:06,866 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:06,866 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:03:06,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:03:06,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:03:06,867 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) [2022-04-08 00:03:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,013 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-04-08 00:03:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:03:07,013 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 [2022-04-08 00:03:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:07,013 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) [2022-04-08 00:03:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2022-04-08 00:03:07,015 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) [2022-04-08 00:03:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2022-04-08 00:03:07,016 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 56 transitions. [2022-04-08 00:03:07,055 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:07,056 INFO L225 Difference]: With dead ends: 45 [2022-04-08 00:03:07,057 INFO L226 Difference]: Without dead ends: 43 [2022-04-08 00:03:07,057 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:07,058 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:07,058 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 145 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:07,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-08 00:03:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-04-08 00:03:07,067 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:07,067 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) [2022-04-08 00:03:07,067 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) [2022-04-08 00:03:07,067 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) [2022-04-08 00:03:07,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,069 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-08 00:03:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-08 00:03:07,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:07,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:07,070 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. [2022-04-08 00:03:07,070 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. [2022-04-08 00:03:07,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,072 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2022-04-08 00:03:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-04-08 00:03:07,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:07,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:07,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:07,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:07,073 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) [2022-04-08 00:03:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-04-08 00:03:07,080 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 18 [2022-04-08 00:03:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:07,080 INFO L478 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-04-08 00:03:07,080 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (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) [2022-04-08 00:03:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-04-08 00:03:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-08 00:03:07,081 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:07,081 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:03:07,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:07,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-08 00:03:07,294 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:07,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:07,294 INFO L85 PathProgramCache]: Analyzing trace with hash -944097291, now seen corresponding path program 1 times [2022-04-08 00:03:07,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:07,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74920965] [2022-04-08 00:03:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:07,314 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:07,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273199012] [2022-04-08 00:03:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:07,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:07,317 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) [2022-04-08 00:03:07,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 00:03:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:07,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:03:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:07,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:07,439 INFO L272 TraceCheckUtils]: 0: Hoare triple {776#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {776#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] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {776#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {776#true} {776#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L272 TraceCheckUtils]: 4: Hoare triple {776#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L290 TraceCheckUtils]: 5: Hoare triple {776#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] {776#true} is VALID [2022-04-08 00:03:07,440 INFO L272 TraceCheckUtils]: 6: Hoare triple {776#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] {776#true} is VALID [2022-04-08 00:03:07,441 INFO L290 TraceCheckUtils]: 7: Hoare triple {776#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] {776#true} is VALID [2022-04-08 00:03:07,441 INFO L290 TraceCheckUtils]: 8: Hoare triple {776#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[] {776#true} is VALID [2022-04-08 00:03:07,441 INFO L290 TraceCheckUtils]: 9: Hoare triple {776#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,441 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {776#true} {776#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] {776#true} is VALID [2022-04-08 00:03:07,444 INFO L290 TraceCheckUtils]: 11: Hoare triple {776#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] {814#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:07,448 INFO L290 TraceCheckUtils]: 12: Hoare triple {814#(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] {814#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:07,449 INFO L290 TraceCheckUtils]: 13: Hoare triple {814#(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] {814#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:07,449 INFO L272 TraceCheckUtils]: 14: Hoare triple {814#(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] {776#true} is VALID [2022-04-08 00:03:07,449 INFO L290 TraceCheckUtils]: 15: Hoare triple {776#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] {776#true} is VALID [2022-04-08 00:03:07,449 INFO L290 TraceCheckUtils]: 16: Hoare triple {776#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[] {776#true} is VALID [2022-04-08 00:03:07,449 INFO L290 TraceCheckUtils]: 17: Hoare triple {776#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {776#true} is VALID [2022-04-08 00:03:07,450 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {776#true} {814#(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] {814#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:07,451 INFO L272 TraceCheckUtils]: 19: Hoare triple {814#(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] {839#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:07,451 INFO L290 TraceCheckUtils]: 20: Hoare triple {839#(<= 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] {843#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:07,451 INFO L290 TraceCheckUtils]: 21: Hoare triple {843#(<= 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[] {777#false} is VALID [2022-04-08 00:03:07,452 INFO L290 TraceCheckUtils]: 22: Hoare triple {777#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {777#false} is VALID [2022-04-08 00:03:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 00:03:07,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:07,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:07,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74920965] [2022-04-08 00:03:07,452 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:07,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273199012] [2022-04-08 00:03:07,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273199012] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:07,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:07,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 00:03:07,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361596918] [2022-04-08 00:03:07,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:07,453 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 [2022-04-08 00:03:07,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:07,454 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) [2022-04-08 00:03:07,466 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:07,466 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:03:07,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:07,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:03:07,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:03:07,467 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) [2022-04-08 00:03:07,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,611 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-04-08 00:03:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:03:07,612 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 [2022-04-08 00:03:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:07,612 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) [2022-04-08 00:03:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-08 00:03:07,614 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) [2022-04-08 00:03:07,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-04-08 00:03:07,615 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 71 transitions. [2022-04-08 00:03:07,662 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:07,663 INFO L225 Difference]: With dead ends: 58 [2022-04-08 00:03:07,664 INFO L226 Difference]: Without dead ends: 55 [2022-04-08 00:03:07,664 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:07,664 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:07,665 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 139 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-08 00:03:07,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-04-08 00:03:07,677 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:07,678 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) [2022-04-08 00:03:07,679 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) [2022-04-08 00:03:07,680 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) [2022-04-08 00:03:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,685 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-08 00:03:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-08 00:03:07,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:07,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:07,687 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. [2022-04-08 00:03:07,687 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. [2022-04-08 00:03:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:07,689 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-04-08 00:03:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-04-08 00:03:07,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:07,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:07,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:07,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:07,690 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) [2022-04-08 00:03:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-04-08 00:03:07,692 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 23 [2022-04-08 00:03:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:07,692 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-04-08 00:03:07,692 INFO L479 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) [2022-04-08 00:03:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-04-08 00:03:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-08 00:03:07,693 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:07,693 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:07,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:07,911 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:07,911 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:07,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:07,912 INFO L85 PathProgramCache]: Analyzing trace with hash -653220550, now seen corresponding path program 1 times [2022-04-08 00:03:07,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:07,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852096117] [2022-04-08 00:03:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:07,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:07,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:07,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579457381] [2022-04-08 00:03:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:07,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:07,931 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) [2022-04-08 00:03:07,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 00:03:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:07,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:03:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:07,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:08,075 INFO L272 TraceCheckUtils]: 0: Hoare triple {1126#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,075 INFO L290 TraceCheckUtils]: 1: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,075 INFO L290 TraceCheckUtils]: 2: Hoare triple {1126#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1126#true} {1126#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L272 TraceCheckUtils]: 4: Hoare triple {1126#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L290 TraceCheckUtils]: 5: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L272 TraceCheckUtils]: 6: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L290 TraceCheckUtils]: 7: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L290 TraceCheckUtils]: 8: Hoare triple {1126#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[] {1126#true} is VALID [2022-04-08 00:03:08,076 INFO L290 TraceCheckUtils]: 9: Hoare triple {1126#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1126#true} {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 12: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 13: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L272 TraceCheckUtils]: 14: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 15: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 16: Hoare triple {1126#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[] {1126#true} is VALID [2022-04-08 00:03:08,077 INFO L290 TraceCheckUtils]: 17: Hoare triple {1126#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1126#true} {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L272 TraceCheckUtils]: 19: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L290 TraceCheckUtils]: 20: Hoare triple {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L290 TraceCheckUtils]: 21: Hoare triple {1126#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[] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L290 TraceCheckUtils]: 22: Hoare triple {1126#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1126#true} is VALID [2022-04-08 00:03:08,078 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1126#true} {1126#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] {1126#true} is VALID [2022-04-08 00:03:08,081 INFO L290 TraceCheckUtils]: 24: Hoare triple {1126#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] {1203#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-08 00:03:08,081 INFO L290 TraceCheckUtils]: 25: Hoare triple {1203#(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] {1203#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-08 00:03:08,082 INFO L290 TraceCheckUtils]: 26: Hoare triple {1203#(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] {1203#(and (= main_~a~0 1) (= main_~b~0 main_~y~0))} is VALID [2022-04-08 00:03:08,082 INFO L272 TraceCheckUtils]: 27: Hoare triple {1203#(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] {1213#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:08,083 INFO L290 TraceCheckUtils]: 28: Hoare triple {1213#(<= 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] {1217#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:08,084 INFO L290 TraceCheckUtils]: 29: Hoare triple {1217#(<= 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[] {1127#false} is VALID [2022-04-08 00:03:08,084 INFO L290 TraceCheckUtils]: 30: Hoare triple {1127#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1127#false} is VALID [2022-04-08 00:03:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:03:08,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:08,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852096117] [2022-04-08 00:03:08,084 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:08,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579457381] [2022-04-08 00:03:08,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579457381] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:08,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:08,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 00:03:08,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032304111] [2022-04-08 00:03:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:08,085 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 [2022-04-08 00:03:08,085 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:08,086 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) [2022-04-08 00:03:08,104 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:08,104 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:03:08,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:08,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:03:08,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:03:08,105 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) [2022-04-08 00:03:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,296 INFO L93 Difference]: Finished difference Result 83 states and 113 transitions. [2022-04-08 00:03:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:03:08,297 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 [2022-04-08 00:03:08,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:08,297 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) [2022-04-08 00:03:08,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-04-08 00:03:08,298 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) [2022-04-08 00:03:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-04-08 00:03:08,300 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 72 transitions. [2022-04-08 00:03:08,370 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:08,372 INFO L225 Difference]: With dead ends: 83 [2022-04-08 00:03:08,372 INFO L226 Difference]: Without dead ends: 81 [2022-04-08 00:03:08,372 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:08,373 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:08,373 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:08,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-04-08 00:03:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 74. [2022-04-08 00:03:08,381 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:08,382 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) [2022-04-08 00:03:08,382 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) [2022-04-08 00:03:08,382 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) [2022-04-08 00:03:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,385 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-08 00:03:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-08 00:03:08,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:08,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:08,386 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. [2022-04-08 00:03:08,386 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. [2022-04-08 00:03:08,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,389 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2022-04-08 00:03:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2022-04-08 00:03:08,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:08,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:08,389 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:08,389 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:08,390 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) [2022-04-08 00:03:08,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2022-04-08 00:03:08,392 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 31 [2022-04-08 00:03:08,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:08,392 INFO L478 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2022-04-08 00:03:08,392 INFO L479 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) [2022-04-08 00:03:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-04-08 00:03:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-08 00:03:08,393 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:08,393 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:08,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:08,608 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:08,609 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:08,609 INFO L85 PathProgramCache]: Analyzing trace with hash -830156892, now seen corresponding path program 1 times [2022-04-08 00:03:08,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:08,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291915453] [2022-04-08 00:03:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:08,620 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:08,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621974244] [2022-04-08 00:03:08,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:08,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:08,621 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) [2022-04-08 00:03:08,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 00:03:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:08,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:03:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:08,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:08,767 INFO L272 TraceCheckUtils]: 0: Hoare triple {1622#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-08 00:03:08,768 INFO L290 TraceCheckUtils]: 1: Hoare triple {1622#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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,768 INFO L290 TraceCheckUtils]: 2: Hoare triple {1630#(<= ~counter~0 0)} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,769 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1630#(<= ~counter~0 0)} {1622#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,770 INFO L272 TraceCheckUtils]: 4: Hoare triple {1630#(<= ~counter~0 0)} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,770 INFO L290 TraceCheckUtils]: 5: Hoare triple {1630#(<= ~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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,779 INFO L272 TraceCheckUtils]: 6: Hoare triple {1630#(<= ~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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,780 INFO L290 TraceCheckUtils]: 7: Hoare triple {1630#(<= ~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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,780 INFO L290 TraceCheckUtils]: 8: Hoare triple {1630#(<= ~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[] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,780 INFO L290 TraceCheckUtils]: 9: Hoare triple {1630#(<= ~counter~0 0)} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,781 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1630#(<= ~counter~0 0)} {1630#(<= ~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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,781 INFO L290 TraceCheckUtils]: 11: Hoare triple {1630#(<= ~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] {1630#(<= ~counter~0 0)} is VALID [2022-04-08 00:03:08,781 INFO L290 TraceCheckUtils]: 12: Hoare triple {1630#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,782 INFO L290 TraceCheckUtils]: 13: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,782 INFO L272 TraceCheckUtils]: 14: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,782 INFO L290 TraceCheckUtils]: 15: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,783 INFO L290 TraceCheckUtils]: 16: Hoare triple {1664#(<= ~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[] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,783 INFO L290 TraceCheckUtils]: 17: Hoare triple {1664#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,783 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1664#(<= ~counter~0 1)} {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,784 INFO L272 TraceCheckUtils]: 19: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,784 INFO L290 TraceCheckUtils]: 20: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,784 INFO L290 TraceCheckUtils]: 21: Hoare triple {1664#(<= ~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[] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,785 INFO L290 TraceCheckUtils]: 22: Hoare triple {1664#(<= ~counter~0 1)} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,785 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1664#(<= ~counter~0 1)} {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,785 INFO L290 TraceCheckUtils]: 24: Hoare triple {1664#(<= ~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] {1664#(<= ~counter~0 1)} is VALID [2022-04-08 00:03:08,786 INFO L290 TraceCheckUtils]: 25: Hoare triple {1664#(<= ~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] {1704#(<= |main_#t~post7| 1)} is VALID [2022-04-08 00:03:08,786 INFO L290 TraceCheckUtils]: 26: Hoare triple {1704#(<= |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] {1623#false} is VALID [2022-04-08 00:03:08,786 INFO L290 TraceCheckUtils]: 27: Hoare triple {1623#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] {1623#false} is VALID [2022-04-08 00:03:08,786 INFO L290 TraceCheckUtils]: 28: Hoare triple {1623#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] {1623#false} is VALID [2022-04-08 00:03:08,786 INFO L290 TraceCheckUtils]: 29: Hoare triple {1623#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] {1623#false} is VALID [2022-04-08 00:03:08,786 INFO L272 TraceCheckUtils]: 30: Hoare triple {1623#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] {1623#false} is VALID [2022-04-08 00:03:08,787 INFO L290 TraceCheckUtils]: 31: Hoare triple {1623#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] {1623#false} is VALID [2022-04-08 00:03:08,787 INFO L290 TraceCheckUtils]: 32: Hoare triple {1623#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[] {1623#false} is VALID [2022-04-08 00:03:08,787 INFO L290 TraceCheckUtils]: 33: Hoare triple {1623#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1623#false} is VALID [2022-04-08 00:03:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:03:08,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:08,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291915453] [2022-04-08 00:03:08,787 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:08,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621974244] [2022-04-08 00:03:08,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621974244] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:08,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:08,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 00:03:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161757747] [2022-04-08 00:03:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:08,788 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 [2022-04-08 00:03:08,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:08,788 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) [2022-04-08 00:03:08,804 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:08,804 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:03:08,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:08,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:03:08,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:03:08,805 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) [2022-04-08 00:03:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,895 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2022-04-08 00:03:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:03:08,895 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 [2022-04-08 00:03:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:08,896 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) [2022-04-08 00:03:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 85 transitions. [2022-04-08 00:03:08,897 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) [2022-04-08 00:03:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 85 transitions. [2022-04-08 00:03:08,898 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 85 transitions. [2022-04-08 00:03:08,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:08,950 INFO L225 Difference]: With dead ends: 113 [2022-04-08 00:03:08,951 INFO L226 Difference]: Without dead ends: 78 [2022-04-08 00:03:08,951 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:08,952 INFO L913 BasicCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:03:08,952 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 135 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:03:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-04-08 00:03:08,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-04-08 00:03:08,963 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:08,964 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) [2022-04-08 00:03:08,964 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) [2022-04-08 00:03:08,964 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) [2022-04-08 00:03:08,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,966 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-08 00:03:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-08 00:03:08,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:08,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:08,967 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. [2022-04-08 00:03:08,967 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. [2022-04-08 00:03:08,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:08,970 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2022-04-08 00:03:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-08 00:03:08,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:08,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:08,970 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:08,970 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:08,970 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) [2022-04-08 00:03:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 102 transitions. [2022-04-08 00:03:08,972 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 102 transitions. Word has length 34 [2022-04-08 00:03:08,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:08,973 INFO L478 AbstractCegarLoop]: Abstraction has 78 states and 102 transitions. [2022-04-08 00:03:08,973 INFO L479 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) [2022-04-08 00:03:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-04-08 00:03:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-08 00:03:08,973 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:08,973 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:08,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:09,186 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:09,187 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:09,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:09,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1527688582, now seen corresponding path program 1 times [2022-04-08 00:03:09,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:09,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867469676] [2022-04-08 00:03:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:09,196 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:09,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337340781] [2022-04-08 00:03:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:09,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:09,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:09,198 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) [2022-04-08 00:03:09,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 00:03:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:09,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 00:03:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:09,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:09,379 INFO L272 TraceCheckUtils]: 0: Hoare triple {2168#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,379 INFO L290 TraceCheckUtils]: 1: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,379 INFO L290 TraceCheckUtils]: 2: Hoare triple {2168#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,379 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2168#true} {2168#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,380 INFO L272 TraceCheckUtils]: 4: Hoare triple {2168#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,380 INFO L272 TraceCheckUtils]: 6: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,380 INFO L290 TraceCheckUtils]: 7: Hoare triple {2168#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] {2194#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 00:03:09,381 INFO L290 TraceCheckUtils]: 8: Hoare triple {2194#(= 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[] {2198#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:03:09,381 INFO L290 TraceCheckUtils]: 9: Hoare triple {2198#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2198#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:03:09,381 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2198#(not (= |assume_abort_if_not_#in~cond| 0))} {2168#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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,382 INFO L290 TraceCheckUtils]: 11: Hoare triple {2205#(<= 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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,382 INFO L290 TraceCheckUtils]: 12: Hoare triple {2205#(<= 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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,382 INFO L290 TraceCheckUtils]: 13: Hoare triple {2205#(<= 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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,382 INFO L272 TraceCheckUtils]: 14: Hoare triple {2205#(<= 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] {2168#true} is VALID [2022-04-08 00:03:09,382 INFO L290 TraceCheckUtils]: 15: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,382 INFO L290 TraceCheckUtils]: 16: Hoare triple {2168#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[] {2168#true} is VALID [2022-04-08 00:03:09,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {2168#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,383 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2168#true} {2205#(<= 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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,383 INFO L272 TraceCheckUtils]: 19: Hoare triple {2205#(<= 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] {2168#true} is VALID [2022-04-08 00:03:09,384 INFO L290 TraceCheckUtils]: 20: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,384 INFO L290 TraceCheckUtils]: 21: Hoare triple {2168#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[] {2168#true} is VALID [2022-04-08 00:03:09,384 INFO L290 TraceCheckUtils]: 22: Hoare triple {2168#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,385 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2168#true} {2205#(<= 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] {2205#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:09,385 INFO L290 TraceCheckUtils]: 24: Hoare triple {2205#(<= 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] {2248#(<= 1 main_~r~0)} is VALID [2022-04-08 00:03:09,385 INFO L290 TraceCheckUtils]: 25: Hoare triple {2248#(<= 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] {2248#(<= 1 main_~r~0)} is VALID [2022-04-08 00:03:09,385 INFO L290 TraceCheckUtils]: 26: Hoare triple {2248#(<= 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] {2248#(<= 1 main_~r~0)} is VALID [2022-04-08 00:03:09,386 INFO L272 TraceCheckUtils]: 27: Hoare triple {2248#(<= 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] {2168#true} is VALID [2022-04-08 00:03:09,386 INFO L290 TraceCheckUtils]: 28: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,386 INFO L290 TraceCheckUtils]: 29: Hoare triple {2168#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[] {2168#true} is VALID [2022-04-08 00:03:09,386 INFO L290 TraceCheckUtils]: 30: Hoare triple {2168#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,386 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2168#true} {2248#(<= 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] {2248#(<= 1 main_~r~0)} is VALID [2022-04-08 00:03:09,387 INFO L272 TraceCheckUtils]: 32: Hoare triple {2248#(<= 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] {2168#true} is VALID [2022-04-08 00:03:09,387 INFO L290 TraceCheckUtils]: 33: Hoare triple {2168#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] {2168#true} is VALID [2022-04-08 00:03:09,387 INFO L290 TraceCheckUtils]: 34: Hoare triple {2168#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[] {2168#true} is VALID [2022-04-08 00:03:09,387 INFO L290 TraceCheckUtils]: 35: Hoare triple {2168#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2168#true} is VALID [2022-04-08 00:03:09,387 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2168#true} {2248#(<= 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] {2248#(<= 1 main_~r~0)} is VALID [2022-04-08 00:03:09,388 INFO L272 TraceCheckUtils]: 37: Hoare triple {2248#(<= 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] {2288#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:09,388 INFO L290 TraceCheckUtils]: 38: Hoare triple {2288#(<= 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] {2292#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:09,388 INFO L290 TraceCheckUtils]: 39: Hoare triple {2292#(<= 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[] {2169#false} is VALID [2022-04-08 00:03:09,388 INFO L290 TraceCheckUtils]: 40: Hoare triple {2169#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2169#false} is VALID [2022-04-08 00:03:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-08 00:03:09,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:03:09,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:09,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867469676] [2022-04-08 00:03:09,389 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:09,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337340781] [2022-04-08 00:03:09,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337340781] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:03:09,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:03:09,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 00:03:09,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887900018] [2022-04-08 00:03:09,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:03:09,390 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 [2022-04-08 00:03:09,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:09,391 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) [2022-04-08 00:03:09,407 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:09,408 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 00:03:09,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 00:03:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-04-08 00:03:09,409 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) [2022-04-08 00:03:09,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:09,671 INFO L93 Difference]: Finished difference Result 84 states and 107 transitions. [2022-04-08 00:03:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 00:03:09,672 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 [2022-04-08 00:03:09,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:09,672 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) [2022-04-08 00:03:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 47 transitions. [2022-04-08 00:03:09,673 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) [2022-04-08 00:03:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 47 transitions. [2022-04-08 00:03:09,674 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 47 transitions. [2022-04-08 00:03:09,704 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:09,706 INFO L225 Difference]: With dead ends: 84 [2022-04-08 00:03:09,706 INFO L226 Difference]: Without dead ends: 82 [2022-04-08 00:03:09,706 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:09,707 INFO L913 BasicCegarLoop]: 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 [2022-04-08 00:03:09,707 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 00:03:09,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-04-08 00:03:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-04-08 00:03:09,740 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:09,740 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) [2022-04-08 00:03:09,741 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) [2022-04-08 00:03:09,741 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) [2022-04-08 00:03:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:09,743 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-08 00:03:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-08 00:03:09,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:09,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:09,744 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. [2022-04-08 00:03:09,744 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. [2022-04-08 00:03:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:09,746 INFO L93 Difference]: Finished difference Result 82 states and 105 transitions. [2022-04-08 00:03:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-08 00:03:09,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:09,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:09,747 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:09,747 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:09,747 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) [2022-04-08 00:03:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-04-08 00:03:09,749 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 41 [2022-04-08 00:03:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:09,749 INFO L478 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-04-08 00:03:09,749 INFO L479 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) [2022-04-08 00:03:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-04-08 00:03:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-08 00:03:09,750 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:09,750 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:09,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:09,966 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:09,967 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:09,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash 800232443, now seen corresponding path program 1 times [2022-04-08 00:03:09,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:09,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030933723] [2022-04-08 00:03:09,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:09,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:09,982 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:09,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316487269] [2022-04-08 00:03:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:09,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:09,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:09,984 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) [2022-04-08 00:03:09,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 00:03:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:10,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 00:03:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:10,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:10,261 INFO L272 TraceCheckUtils]: 0: Hoare triple {2712#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,261 INFO L290 TraceCheckUtils]: 1: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L290 TraceCheckUtils]: 2: Hoare triple {2712#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2712#true} {2712#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L272 TraceCheckUtils]: 4: Hoare triple {2712#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L290 TraceCheckUtils]: 5: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L272 TraceCheckUtils]: 6: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L290 TraceCheckUtils]: 7: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L290 TraceCheckUtils]: 8: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L290 TraceCheckUtils]: 9: Hoare triple {2712#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,262 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 11: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 12: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 13: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L272 TraceCheckUtils]: 14: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 15: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 16: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 17: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L272 TraceCheckUtils]: 19: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,263 INFO L290 TraceCheckUtils]: 20: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L290 TraceCheckUtils]: 21: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L290 TraceCheckUtils]: 22: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L290 TraceCheckUtils]: 24: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L290 TraceCheckUtils]: 25: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L290 TraceCheckUtils]: 26: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,264 INFO L272 TraceCheckUtils]: 27: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,266 INFO L290 TraceCheckUtils]: 28: Hoare triple {2712#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] {2801#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:10,266 INFO L290 TraceCheckUtils]: 29: Hoare triple {2801#(= |__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[] {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:10,267 INFO L290 TraceCheckUtils]: 30: Hoare triple {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:10,267 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} {2712#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] {2812#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-08 00:03:10,268 INFO L272 TraceCheckUtils]: 32: Hoare triple {2812#(= 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] {2712#true} is VALID [2022-04-08 00:03:10,268 INFO L290 TraceCheckUtils]: 33: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,268 INFO L290 TraceCheckUtils]: 34: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:10,268 INFO L290 TraceCheckUtils]: 35: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,269 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2712#true} {2812#(= 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] {2812#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-08 00:03:10,269 INFO L272 TraceCheckUtils]: 37: Hoare triple {2812#(= 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] {2712#true} is VALID [2022-04-08 00:03:10,269 INFO L290 TraceCheckUtils]: 38: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:10,269 INFO L290 TraceCheckUtils]: 39: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:10,269 INFO L290 TraceCheckUtils]: 40: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:10,270 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2712#true} {2812#(= 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] {2812#(= main_~b~0 (* main_~a~0 main_~y~0))} is VALID [2022-04-08 00:03:10,271 INFO L290 TraceCheckUtils]: 42: Hoare triple {2812#(= 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[] {2846#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-08 00:03:10,271 INFO L272 TraceCheckUtils]: 43: Hoare triple {2846#(<= (* 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] {2850#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:10,272 INFO L290 TraceCheckUtils]: 44: Hoare triple {2850#(<= 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] {2854#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:10,272 INFO L290 TraceCheckUtils]: 45: Hoare triple {2854#(<= 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[] {2713#false} is VALID [2022-04-08 00:03:10,272 INFO L290 TraceCheckUtils]: 46: Hoare triple {2713#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2713#false} is VALID [2022-04-08 00:03:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-08 00:03:10,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:03:14,675 INFO L290 TraceCheckUtils]: 46: Hoare triple {2713#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2713#false} is VALID [2022-04-08 00:03:14,676 INFO L290 TraceCheckUtils]: 45: Hoare triple {2854#(<= 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[] {2713#false} is VALID [2022-04-08 00:03:14,676 INFO L290 TraceCheckUtils]: 44: Hoare triple {2850#(<= 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] {2854#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:14,677 INFO L272 TraceCheckUtils]: 43: Hoare triple {2846#(<= (* 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] {2850#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:14,677 INFO L290 TraceCheckUtils]: 42: Hoare triple {2873#(<= (* 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[] {2846#(<= (* 2 (* main_~a~0 main_~y~0)) main_~r~0)} is VALID [2022-04-08 00:03:14,678 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2712#true} {2873#(<= (* 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] {2873#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-08 00:03:14,681 INFO L290 TraceCheckUtils]: 40: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,682 INFO L290 TraceCheckUtils]: 39: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:14,682 INFO L290 TraceCheckUtils]: 38: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,683 INFO L272 TraceCheckUtils]: 37: Hoare triple {2873#(<= (* 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] {2712#true} is VALID [2022-04-08 00:03:14,685 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2712#true} {2873#(<= (* 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] {2873#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-08 00:03:14,685 INFO L290 TraceCheckUtils]: 35: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,685 INFO L290 TraceCheckUtils]: 34: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:14,686 INFO L290 TraceCheckUtils]: 33: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,686 INFO L272 TraceCheckUtils]: 32: Hoare triple {2873#(<= (* 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] {2712#true} is VALID [2022-04-08 00:03:14,686 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} {2712#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] {2873#(<= (* 2 (* main_~a~0 main_~y~0)) (* main_~b~0 2))} is VALID [2022-04-08 00:03:14,687 INFO L290 TraceCheckUtils]: 30: Hoare triple {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:14,687 INFO L290 TraceCheckUtils]: 29: Hoare triple {2916#(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[] {2805#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:14,687 INFO L290 TraceCheckUtils]: 28: Hoare triple {2712#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] {2916#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 00:03:14,687 INFO L272 TraceCheckUtils]: 27: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 26: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 25: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 24: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 22: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 21: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 20: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L272 TraceCheckUtils]: 19: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 17: Hoare triple {2712#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,688 INFO L290 TraceCheckUtils]: 16: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 15: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L272 TraceCheckUtils]: 14: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 13: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 12: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 11: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2712#true} {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 9: Hoare triple {2712#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 8: Hoare triple {2712#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[] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L290 TraceCheckUtils]: 7: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,689 INFO L272 TraceCheckUtils]: 6: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L290 TraceCheckUtils]: 5: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L272 TraceCheckUtils]: 4: Hoare triple {2712#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2712#true} {2712#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L290 TraceCheckUtils]: 2: Hoare triple {2712#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L290 TraceCheckUtils]: 1: Hoare triple {2712#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] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L272 TraceCheckUtils]: 0: Hoare triple {2712#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2712#true} is VALID [2022-04-08 00:03:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-08 00:03:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030933723] [2022-04-08 00:03:14,690 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:14,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316487269] [2022-04-08 00:03:14,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316487269] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 00:03:14,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 00:03:14,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-08 00:03:14,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276053475] [2022-04-08 00:03:14,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 00:03:14,691 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 [2022-04-08 00:03:14,692 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:14,692 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) [2022-04-08 00:03:14,717 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:14,717 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 00:03:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:14,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 00:03:14,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-04-08 00:03:14,717 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) [2022-04-08 00:03:15,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:15,041 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2022-04-08 00:03:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 00:03:15,042 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 [2022-04-08 00:03:15,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:15,042 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) [2022-04-08 00:03:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 47 transitions. [2022-04-08 00:03:15,043 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) [2022-04-08 00:03:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 47 transitions. [2022-04-08 00:03:15,044 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 47 transitions. [2022-04-08 00:03:15,079 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:15,080 INFO L225 Difference]: With dead ends: 88 [2022-04-08 00:03:15,081 INFO L226 Difference]: Without dead ends: 86 [2022-04-08 00:03:15,081 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:15,081 INFO L913 BasicCegarLoop]: 27 mSDtfsCounter, 32 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 00:03:15,081 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 133 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 00:03:15,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-04-08 00:03:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-04-08 00:03:15,125 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:15,125 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) [2022-04-08 00:03:15,125 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) [2022-04-08 00:03:15,126 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) [2022-04-08 00:03:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:15,128 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-08 00:03:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-08 00:03:15,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:15,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:15,129 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. [2022-04-08 00:03:15,129 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. [2022-04-08 00:03:15,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:15,131 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-04-08 00:03:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-08 00:03:15,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:15,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:15,131 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:15,131 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:15,132 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) [2022-04-08 00:03:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2022-04-08 00:03:15,134 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 47 [2022-04-08 00:03:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:15,134 INFO L478 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2022-04-08 00:03:15,134 INFO L479 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) [2022-04-08 00:03:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2022-04-08 00:03:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-08 00:03:15,134 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:15,135 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:15,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:15,351 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:15,351 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:15,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:15,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1984817020, now seen corresponding path program 1 times [2022-04-08 00:03:15,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:15,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023929599] [2022-04-08 00:03:15,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:15,362 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:15,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614291982] [2022-04-08 00:03:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:15,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:15,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:15,363 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) [2022-04-08 00:03:15,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-08 00:03:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:15,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjunts are in the unsatisfiable core [2022-04-08 00:03:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:15,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:15,777 INFO L272 TraceCheckUtils]: 0: Hoare triple {3435#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L290 TraceCheckUtils]: 1: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L290 TraceCheckUtils]: 2: Hoare triple {3435#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3435#true} {3435#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L272 TraceCheckUtils]: 4: Hoare triple {3435#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L290 TraceCheckUtils]: 5: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,777 INFO L272 TraceCheckUtils]: 6: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,778 INFO L290 TraceCheckUtils]: 7: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,778 INFO L290 TraceCheckUtils]: 8: Hoare triple {3435#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[] {3435#true} is VALID [2022-04-08 00:03:15,778 INFO L290 TraceCheckUtils]: 9: Hoare triple {3435#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,778 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3435#true} {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,778 INFO L290 TraceCheckUtils]: 11: Hoare triple {3435#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] {3473#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:15,778 INFO L290 TraceCheckUtils]: 12: Hoare triple {3473#(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] {3473#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:15,779 INFO L290 TraceCheckUtils]: 13: Hoare triple {3473#(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] {3473#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:15,779 INFO L272 TraceCheckUtils]: 14: Hoare triple {3473#(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] {3435#true} is VALID [2022-04-08 00:03:15,779 INFO L290 TraceCheckUtils]: 15: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,779 INFO L290 TraceCheckUtils]: 16: Hoare triple {3435#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[] {3435#true} is VALID [2022-04-08 00:03:15,779 INFO L290 TraceCheckUtils]: 17: Hoare triple {3435#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,780 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3435#true} {3473#(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] {3473#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:15,780 INFO L272 TraceCheckUtils]: 19: Hoare triple {3473#(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] {3435#true} is VALID [2022-04-08 00:03:15,780 INFO L290 TraceCheckUtils]: 20: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,780 INFO L290 TraceCheckUtils]: 21: Hoare triple {3435#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[] {3435#true} is VALID [2022-04-08 00:03:15,780 INFO L290 TraceCheckUtils]: 22: Hoare triple {3435#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,781 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3435#true} {3473#(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] {3473#(and (= main_~x~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:03:15,781 INFO L290 TraceCheckUtils]: 24: Hoare triple {3473#(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] {3513#(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 [2022-04-08 00:03:15,781 INFO L290 TraceCheckUtils]: 25: Hoare triple {3513#(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] {3513#(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 [2022-04-08 00:03:15,782 INFO L290 TraceCheckUtils]: 26: Hoare triple {3513#(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] {3513#(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 [2022-04-08 00:03:15,782 INFO L272 TraceCheckUtils]: 27: Hoare triple {3513#(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] {3435#true} is VALID [2022-04-08 00:03:15,782 INFO L290 TraceCheckUtils]: 28: Hoare triple {3435#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] {3526#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:15,782 INFO L290 TraceCheckUtils]: 29: Hoare triple {3526#(= |__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[] {3530#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:15,783 INFO L290 TraceCheckUtils]: 30: Hoare triple {3530#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3530#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 00:03:15,783 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {3530#(not (= |__VERIFIER_assert_#in~cond| 0))} {3513#(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] {3513#(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 [2022-04-08 00:03:15,783 INFO L272 TraceCheckUtils]: 32: Hoare triple {3513#(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] {3435#true} is VALID [2022-04-08 00:03:15,783 INFO L290 TraceCheckUtils]: 33: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,783 INFO L290 TraceCheckUtils]: 34: Hoare triple {3435#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[] {3435#true} is VALID [2022-04-08 00:03:15,783 INFO L290 TraceCheckUtils]: 35: Hoare triple {3435#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,784 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {3435#true} {3513#(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] {3513#(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 [2022-04-08 00:03:15,784 INFO L272 TraceCheckUtils]: 37: Hoare triple {3513#(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] {3435#true} is VALID [2022-04-08 00:03:15,784 INFO L290 TraceCheckUtils]: 38: Hoare triple {3435#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] {3435#true} is VALID [2022-04-08 00:03:15,784 INFO L290 TraceCheckUtils]: 39: Hoare triple {3435#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[] {3435#true} is VALID [2022-04-08 00:03:15,784 INFO L290 TraceCheckUtils]: 40: Hoare triple {3435#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3435#true} is VALID [2022-04-08 00:03:15,785 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3435#true} {3513#(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] {3513#(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 [2022-04-08 00:03:15,785 INFO L290 TraceCheckUtils]: 42: Hoare triple {3513#(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[] {3570#(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 [2022-04-08 00:03:15,786 INFO L290 TraceCheckUtils]: 43: Hoare triple {3570#(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] {3574#(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 [2022-04-08 00:03:15,786 INFO L290 TraceCheckUtils]: 44: Hoare triple {3574#(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] {3574#(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 [2022-04-08 00:03:15,787 INFO L290 TraceCheckUtils]: 45: Hoare triple {3574#(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] {3574#(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 [2022-04-08 00:03:15,787 INFO L272 TraceCheckUtils]: 46: Hoare triple {3574#(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] {3584#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:15,788 INFO L290 TraceCheckUtils]: 47: Hoare triple {3584#(<= 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] {3588#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:15,788 INFO L290 TraceCheckUtils]: 48: Hoare triple {3588#(<= 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[] {3436#false} is VALID [2022-04-08 00:03:15,788 INFO L290 TraceCheckUtils]: 49: Hoare triple {3436#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3436#false} is VALID [2022-04-08 00:03:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-08 00:03:15,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:03:51,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:51,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023929599] [2022-04-08 00:03:51,978 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:51,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614291982] [2022-04-08 00:03:51,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614291982] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 00:03:51,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-08 00:03:51,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-08 00:03:51,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690495505] [2022-04-08 00:03:51,978 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-08 00:03:51,979 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 [2022-04-08 00:03:51,979 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:51,979 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) [2022-04-08 00:03:52,019 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:52,019 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 00:03:52,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 00:03:52,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-04-08 00:03:52,020 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) [2022-04-08 00:03:52,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:52,643 INFO L93 Difference]: Finished difference Result 147 states and 186 transitions. [2022-04-08 00:03:52,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 00:03:52,644 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 [2022-04-08 00:03:52,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:52,645 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) [2022-04-08 00:03:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 122 transitions. [2022-04-08 00:03:52,648 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) [2022-04-08 00:03:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 122 transitions. [2022-04-08 00:03:52,655 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 122 transitions. [2022-04-08 00:03:52,777 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:52,779 INFO L225 Difference]: With dead ends: 147 [2022-04-08 00:03:52,779 INFO L226 Difference]: Without dead ends: 93 [2022-04-08 00:03:52,779 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:52,780 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 24 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 00:03:52,780 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 170 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 00:03:52,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-08 00:03:52,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-04-08 00:03:52,814 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:52,814 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) [2022-04-08 00:03:52,815 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) [2022-04-08 00:03:52,815 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) [2022-04-08 00:03:52,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:52,817 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-08 00:03:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-08 00:03:52,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:52,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:52,817 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. [2022-04-08 00:03:52,818 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. [2022-04-08 00:03:52,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:52,819 INFO L93 Difference]: Finished difference Result 93 states and 114 transitions. [2022-04-08 00:03:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2022-04-08 00:03:52,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:52,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:52,820 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:52,820 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:52,820 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) [2022-04-08 00:03:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2022-04-08 00:03:52,821 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 50 [2022-04-08 00:03:52,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:52,822 INFO L478 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2022-04-08 00:03:52,822 INFO L479 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) [2022-04-08 00:03:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2022-04-08 00:03:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-08 00:03:52,822 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:03:52,822 INFO L499 BasicCegarLoop]: 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] [2022-04-08 00:03:52,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:53,032 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-08 00:03:53,032 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:03:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:03:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1119467195, now seen corresponding path program 1 times [2022-04-08 00:03:53,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:03:53,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628572054] [2022-04-08 00:03:53,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:53,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:03:53,048 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:03:53,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121595831] [2022-04-08 00:03:53,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:03:53,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:03:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:03:53,049 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) [2022-04-08 00:03:53,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-08 00:03:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:53,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 26 conjunts are in the unsatisfiable core [2022-04-08 00:03:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:03:53,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:03:53,512 INFO L272 TraceCheckUtils]: 0: Hoare triple {4215#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,512 INFO L290 TraceCheckUtils]: 1: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L290 TraceCheckUtils]: 2: Hoare triple {4215#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4215#true} {4215#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L272 TraceCheckUtils]: 4: Hoare triple {4215#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L290 TraceCheckUtils]: 5: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L272 TraceCheckUtils]: 6: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,513 INFO L290 TraceCheckUtils]: 7: Hoare triple {4215#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] {4241#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 00:03:53,514 INFO L290 TraceCheckUtils]: 8: Hoare triple {4241#(= 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[] {4245#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:03:53,514 INFO L290 TraceCheckUtils]: 9: Hoare triple {4245#(not (= |assume_abort_if_not_#in~cond| 0))} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4245#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:03:53,514 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4245#(not (= |assume_abort_if_not_#in~cond| 0))} {4215#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] {4252#(<= 1 main_~y~0)} is VALID [2022-04-08 00:03:53,515 INFO L290 TraceCheckUtils]: 11: Hoare triple {4252#(<= 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] {4256#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,515 INFO L290 TraceCheckUtils]: 12: Hoare triple {4256#(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] {4256#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,515 INFO L290 TraceCheckUtils]: 13: Hoare triple {4256#(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] {4256#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,516 INFO L272 TraceCheckUtils]: 14: Hoare triple {4256#(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] {4215#true} is VALID [2022-04-08 00:03:53,516 INFO L290 TraceCheckUtils]: 15: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,516 INFO L290 TraceCheckUtils]: 16: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,516 INFO L290 TraceCheckUtils]: 17: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,516 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4215#true} {4256#(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] {4256#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,516 INFO L272 TraceCheckUtils]: 19: Hoare triple {4256#(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] {4215#true} is VALID [2022-04-08 00:03:53,517 INFO L290 TraceCheckUtils]: 20: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,517 INFO L290 TraceCheckUtils]: 21: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,517 INFO L290 TraceCheckUtils]: 22: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,517 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {4215#true} {4256#(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] {4256#(and (= main_~x~0 main_~r~0) (= main_~q~0 0) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,518 INFO L290 TraceCheckUtils]: 24: Hoare triple {4256#(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] {4296#(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 [2022-04-08 00:03:53,518 INFO L290 TraceCheckUtils]: 25: Hoare triple {4296#(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] {4296#(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 [2022-04-08 00:03:53,518 INFO L290 TraceCheckUtils]: 26: Hoare triple {4296#(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] {4296#(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 [2022-04-08 00:03:53,519 INFO L272 TraceCheckUtils]: 27: Hoare triple {4296#(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] {4215#true} is VALID [2022-04-08 00:03:53,519 INFO L290 TraceCheckUtils]: 28: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,519 INFO L290 TraceCheckUtils]: 29: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,519 INFO L290 TraceCheckUtils]: 30: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,519 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {4215#true} {4296#(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] {4296#(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 [2022-04-08 00:03:53,520 INFO L272 TraceCheckUtils]: 32: Hoare triple {4296#(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] {4215#true} is VALID [2022-04-08 00:03:53,520 INFO L290 TraceCheckUtils]: 33: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,520 INFO L290 TraceCheckUtils]: 34: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,520 INFO L290 TraceCheckUtils]: 35: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,520 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4215#true} {4296#(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] {4296#(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 [2022-04-08 00:03:53,521 INFO L272 TraceCheckUtils]: 37: Hoare triple {4296#(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] {4215#true} is VALID [2022-04-08 00:03:53,521 INFO L290 TraceCheckUtils]: 38: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,521 INFO L290 TraceCheckUtils]: 39: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,521 INFO L290 TraceCheckUtils]: 40: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,521 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4215#true} {4296#(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] {4296#(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 [2022-04-08 00:03:53,522 INFO L290 TraceCheckUtils]: 42: Hoare triple {4296#(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[] {4296#(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 [2022-04-08 00:03:53,522 INFO L272 TraceCheckUtils]: 43: Hoare triple {4296#(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] {4215#true} is VALID [2022-04-08 00:03:53,522 INFO L290 TraceCheckUtils]: 44: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,522 INFO L290 TraceCheckUtils]: 45: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,522 INFO L290 TraceCheckUtils]: 46: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,523 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {4215#true} {4296#(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] {4296#(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 [2022-04-08 00:03:53,523 INFO L290 TraceCheckUtils]: 48: Hoare triple {4296#(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] {4369#(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 [2022-04-08 00:03:53,524 INFO L290 TraceCheckUtils]: 49: Hoare triple {4369#(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] {4369#(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 [2022-04-08 00:03:53,524 INFO L290 TraceCheckUtils]: 50: Hoare triple {4369#(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] {4369#(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 [2022-04-08 00:03:53,525 INFO L290 TraceCheckUtils]: 51: Hoare triple {4369#(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] {4379#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,526 INFO L290 TraceCheckUtils]: 52: Hoare triple {4379#(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] {4379#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,526 INFO L290 TraceCheckUtils]: 53: Hoare triple {4379#(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] {4379#(and (= main_~q~0 2) (= main_~x~0 (+ main_~r~0 (* main_~y~0 2))) (<= 1 main_~y~0))} is VALID [2022-04-08 00:03:53,527 INFO L272 TraceCheckUtils]: 54: Hoare triple {4379#(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] {4389#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:53,527 INFO L290 TraceCheckUtils]: 55: Hoare triple {4389#(<= 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] {4393#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:53,527 INFO L290 TraceCheckUtils]: 56: Hoare triple {4393#(<= 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[] {4216#false} is VALID [2022-04-08 00:03:53,528 INFO L290 TraceCheckUtils]: 57: Hoare triple {4216#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4216#false} is VALID [2022-04-08 00:03:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-04-08 00:03:53,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:03:53,771 INFO L290 TraceCheckUtils]: 57: Hoare triple {4216#false} [120] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4216#false} is VALID [2022-04-08 00:03:53,772 INFO L290 TraceCheckUtils]: 56: Hoare triple {4393#(<= 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[] {4216#false} is VALID [2022-04-08 00:03:53,772 INFO L290 TraceCheckUtils]: 55: Hoare triple {4389#(<= 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] {4393#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:03:53,772 INFO L272 TraceCheckUtils]: 54: Hoare triple {4409#(= (+ (* 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] {4389#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:03:53,773 INFO L290 TraceCheckUtils]: 53: Hoare triple {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,773 INFO L290 TraceCheckUtils]: 52: Hoare triple {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,780 INFO L290 TraceCheckUtils]: 51: Hoare triple {4419#(= 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,780 INFO L290 TraceCheckUtils]: 50: Hoare triple {4419#(= 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] {4419#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-08 00:03:53,780 INFO L290 TraceCheckUtils]: 49: Hoare triple {4419#(= 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] {4419#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-08 00:03:53,783 INFO L290 TraceCheckUtils]: 48: Hoare triple {4429#(= (+ (* (- 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] {4419#(= main_~x~0 (+ main_~r~0 (* (- 1) main_~b~0) (* main_~y~0 (+ main_~a~0 main_~q~0))))} is VALID [2022-04-08 00:03:53,787 INFO L284 TraceCheckUtils]: 47: Hoare quadruple {4215#true} {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,788 INFO L290 TraceCheckUtils]: 46: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,788 INFO L290 TraceCheckUtils]: 45: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,788 INFO L290 TraceCheckUtils]: 44: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,788 INFO L272 TraceCheckUtils]: 43: Hoare triple {4429#(= (+ (* (- 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] {4215#true} is VALID [2022-04-08 00:03:53,788 INFO L290 TraceCheckUtils]: 42: Hoare triple {4429#(= (+ (* (- 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[] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,789 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4215#true} {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,789 INFO L290 TraceCheckUtils]: 40: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,789 INFO L290 TraceCheckUtils]: 39: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,789 INFO L290 TraceCheckUtils]: 38: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,789 INFO L272 TraceCheckUtils]: 37: Hoare triple {4429#(= (+ (* (- 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] {4215#true} is VALID [2022-04-08 00:03:53,790 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4215#true} {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,790 INFO L290 TraceCheckUtils]: 35: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,790 INFO L290 TraceCheckUtils]: 34: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,790 INFO L290 TraceCheckUtils]: 33: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,790 INFO L272 TraceCheckUtils]: 32: Hoare triple {4429#(= (+ (* (- 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] {4215#true} is VALID [2022-04-08 00:03:53,791 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {4215#true} {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,791 INFO L290 TraceCheckUtils]: 30: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,791 INFO L290 TraceCheckUtils]: 29: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,791 INFO L290 TraceCheckUtils]: 28: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,791 INFO L272 TraceCheckUtils]: 27: Hoare triple {4429#(= (+ (* (- 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] {4215#true} is VALID [2022-04-08 00:03:53,791 INFO L290 TraceCheckUtils]: 26: Hoare triple {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,792 INFO L290 TraceCheckUtils]: 25: Hoare triple {4429#(= (+ (* (- 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,792 INFO L290 TraceCheckUtils]: 24: Hoare triple {4409#(= (+ (* 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] {4429#(= (+ (* (- 2) main_~b~0) (* (+ (* main_~a~0 2) main_~q~0) main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,792 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {4215#true} {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,793 INFO L290 TraceCheckUtils]: 22: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,793 INFO L290 TraceCheckUtils]: 21: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,793 INFO L290 TraceCheckUtils]: 20: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,793 INFO L272 TraceCheckUtils]: 19: Hoare triple {4409#(= (+ (* 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] {4215#true} is VALID [2022-04-08 00:03:53,793 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4215#true} {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,793 INFO L290 TraceCheckUtils]: 17: Hoare triple {4215#true} [122] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,793 INFO L290 TraceCheckUtils]: 16: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,794 INFO L290 TraceCheckUtils]: 15: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,794 INFO L272 TraceCheckUtils]: 14: Hoare triple {4409#(= (+ (* 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] {4215#true} is VALID [2022-04-08 00:03:53,794 INFO L290 TraceCheckUtils]: 13: Hoare triple {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,794 INFO L290 TraceCheckUtils]: 12: Hoare triple {4409#(= (+ (* 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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,794 INFO L290 TraceCheckUtils]: 11: Hoare triple {4215#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] {4409#(= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0)} is VALID [2022-04-08 00:03:53,795 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4215#true} {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 9: Hoare triple {4215#true} [112] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 8: Hoare triple {4215#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[] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 7: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L272 TraceCheckUtils]: 6: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 5: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L272 TraceCheckUtils]: 4: Hoare triple {4215#true} [97] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4215#true} {4215#true} [137] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 2: Hoare triple {4215#true} [101] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L290 TraceCheckUtils]: 1: Hoare triple {4215#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] {4215#true} is VALID [2022-04-08 00:03:53,795 INFO L272 TraceCheckUtils]: 0: Hoare triple {4215#true} [96] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4215#true} is VALID [2022-04-08 00:03:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-04-08 00:03:53,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:03:53,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628572054] [2022-04-08 00:03:53,796 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:03:53,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121595831] [2022-04-08 00:03:53,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121595831] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 00:03:53,796 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 00:03:53,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2022-04-08 00:03:53,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325646861] [2022-04-08 00:03:53,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 00:03:53,797 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 [2022-04-08 00:03:53,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:03:53,797 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) [2022-04-08 00:03:53,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:53,855 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-08 00:03:53,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:03:53,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-08 00:03:53,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-04-08 00:03:53,856 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) [2022-04-08 00:03:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:55,884 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2022-04-08 00:03:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 00:03:55,884 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 [2022-04-08 00:03:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:03:55,885 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) [2022-04-08 00:03:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2022-04-08 00:03:55,886 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) [2022-04-08 00:03:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2022-04-08 00:03:55,888 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 119 transitions. [2022-04-08 00:03:56,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:03:56,015 INFO L225 Difference]: With dead ends: 128 [2022-04-08 00:03:56,015 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 00:03:56,016 INFO L912 BasicCegarLoop]: 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 [2022-04-08 00:03:56,016 INFO L913 BasicCegarLoop]: 51 mSDtfsCounter, 92 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-08 00:03:56,016 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 254 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-08 00:03:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 00:03:56,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 00:03:56,017 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:03:56,017 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) [2022-04-08 00:03:56,017 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) [2022-04-08 00:03:56,017 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) [2022-04-08 00:03:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:56,017 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 00:03:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:03:56,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:56,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:56,017 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. [2022-04-08 00:03:56,017 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. [2022-04-08 00:03:56,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:03:56,018 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 00:03:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:03:56,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:56,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:03:56,018 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:03:56,018 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:03:56,018 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) [2022-04-08 00:03:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 00:03:56,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2022-04-08 00:03:56,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:03:56,018 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 00:03:56,018 INFO L479 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) [2022-04-08 00:03:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:03:56,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:03:56,020 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 00:03:56,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-08 00:03:56,226 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-08 00:03:56,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 00:03:56,787 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 00:03:56,787 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-08 00:03:56,787 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-08 00:03:56,787 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 00:03:56,787 INFO L878 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (<= ~counter~0 0) [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L885 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 11 13) the Hoare annotation is: true [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point L12-2(lines 11 13) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 23 65) the Hoare annotation is: (or (= ~counter~0 |old(~counter~0)|) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point L30(line 30) the Hoare annotation is: (or (= ~counter~0 |old(~counter~0)|) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point L37-3(lines 37 61) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0)))) [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point L37-4(lines 37 61) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (= main_~x~0 main_~r~0) (= main_~q~0 0)) (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0)))) [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point L37-1(lines 37 61) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0)))) [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 23 65) no Hoare annotation was computed. [2022-04-08 00:03:56,788 INFO L878 garLoopResultBuilder]: At program point L38-1(line 38) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0)))) [2022-04-08 00:03:56,788 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 23 65) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L39(lines 37 61) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L878 garLoopResultBuilder]: At program point L46-3(lines 46 58) the Hoare annotation is: (or (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~r~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0))) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,789 INFO L878 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: (or (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~r~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0))) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,789 INFO L878 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (or (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~r~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0))) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L49(lines 46 58) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L46-4(lines 46 58) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L46-1(lines 46 58) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L878 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (or (let ((.cse0 (* main_~a~0 main_~y~0))) (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= (* 2 .cse0) main_~r~0) (<= 1 main_~r~0) (<= 1 main_~y~0) (= main_~b~0 .cse0))) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,789 INFO L878 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (or (and (= (+ (* main_~q~0 main_~y~0) main_~r~0) main_~x~0) (<= 1 main_~r~0) (<= 1 main_~y~0) (= main_~b~0 (* main_~a~0 main_~y~0))) (not (<= |old(~counter~0)| 0))) [2022-04-08 00:03:56,789 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 20) the Hoare annotation is: true [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-04-08 00:03:56,789 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2022-04-08 00:03:56,791 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:03:56,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 00:03:56,795 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-08 00:03:56,796 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L54-1 has no Hoare annotation [2022-04-08 00:03:56,797 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 00:03:56,798 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 00:03:56,798 INFO L163 areAnnotationChecker]: CFG has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 00:03:56,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 12:03:56 BasicIcfg [2022-04-08 00:03:56,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 00:03:56,807 INFO L158 Benchmark]: Toolchain (without parser) took 51968.02ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 132.6MB in the beginning and 186.0MB in the end (delta: -53.3MB). Peak memory consumption was 110.6MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,807 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 00:03:56,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.54ms. Allocated memory is still 183.5MB. Free memory was 132.5MB in the beginning and 158.3MB in the end (delta: -25.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,807 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 183.5MB. Free memory was 158.3MB in the beginning and 156.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,808 INFO L158 Benchmark]: RCFGBuilder took 255.04ms. Allocated memory is still 183.5MB. Free memory was 156.7MB in the beginning and 144.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,808 INFO L158 Benchmark]: IcfgTransformer took 36.13ms. Allocated memory is still 183.5MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,808 INFO L158 Benchmark]: TraceAbstraction took 51469.12ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 142.6MB in the beginning and 186.0MB in the end (delta: -43.4MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2022-04-08 00:03:56,809 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 183.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 178.54ms. Allocated memory is still 183.5MB. Free memory was 132.5MB in the beginning and 158.3MB in the end (delta: -25.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 183.5MB. Free memory was 158.3MB in the beginning and 156.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 255.04ms. Allocated memory is still 183.5MB. Free memory was 156.7MB in the beginning and 144.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 36.13ms. Allocated memory is still 183.5MB. Free memory was 144.7MB in the beginning and 143.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 51469.12ms. Allocated memory was 183.5MB in the beginning and 238.0MB in the end (delta: 54.5MB). Free memory was 142.6MB in the beginning and 186.0MB in the end (delta: -43.4MB). Peak memory consumption was 120.7MB. 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: 51.4s, OverallIterations: 10, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 1444 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1043 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1112 IncrementalHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 401 mSDtfsCounter, 1112 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 84 PreInvPairs, 135 NumberOfFragments, 250 HoareAnnotationTreeSize, 84 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 1875 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 42.9s 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 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((q * y + r == x && 1 <= r) && 1 <= y) && b == a * y) || !(\old(counter) <= 0) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: !(\old(counter) <= 0) || ((q * y + r == x && 1 <= y) && b == a * y) RESULT: Ultimate proved your program to be correct! [2022-04-08 00:03:56,834 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...