/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/prod4br-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 04:15:56,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 04:15:56,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 04:15:56,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-15 04:15:56,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-15 04:15:56,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-15 04:15:56,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-15 04:15:56,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-15 04:15:56,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-15 04:15:56,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-15 04:15:56,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-15 04:15:56,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-15 04:15:56,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 04:15:56,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 04:15:56,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 04:15:56,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 04:15:56,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 04:15:56,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 04:15:56,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 04:15:56,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 04:15:56,861 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 04:15:56,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 04:15:56,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 04:15:56,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 04:15:56,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 04:15:56,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 04:15:56,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 04:15:56,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 04:15:56,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 04:15:56,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-15 04:15:56,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 04:15:56,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 04:15:56,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-15 04:15:56,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-15 04:15:56,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * Use SBE=true [2022-04-15 04:15:56,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 04:15:56,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 04:15:56,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 04:15:56,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:15:56,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-15 04:15:56,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-15 04:15:56,892 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-15 04:15:56,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 04:15:57,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 04:15:57,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 04:15:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 04:15:57,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 04:15:57,067 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 04:15:57,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2022-04-15 04:15:57,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f07bf7fc4/2211d9b33283417bbe3e736931dfb42a/FLAGa52657ad6 [2022-04-15 04:15:57,456 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 04:15:57,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2022-04-15 04:15:57,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f07bf7fc4/2211d9b33283417bbe3e736931dfb42a/FLAGa52657ad6 [2022-04-15 04:15:57,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f07bf7fc4/2211d9b33283417bbe3e736931dfb42a [2022-04-15 04:15:57,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 04:15:57,904 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-15 04:15:57,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 04:15:57,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 04:15:57,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 04:15:57,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:15:57" (1/1) ... [2022-04-15 04:15:57,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e728735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:57, skipping insertion in model container [2022-04-15 04:15:57,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:15:57" (1/1) ... [2022-04-15 04:15:57,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 04:15:57,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 04:15:58,059 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/prod4br-ll_unwindbound2.c[524,537] [2022-04-15 04:15:58,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:15:58,082 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 04:15:58,097 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/prod4br-ll_unwindbound2.c[524,537] [2022-04-15 04:15:58,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:15:58,120 INFO L208 MainTranslator]: Completed translation [2022-04-15 04:15:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58 WrapperNode [2022-04-15 04:15:58,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 04:15:58,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 04:15:58,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 04:15:58,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 04:15:58,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 04:15:58,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 04:15:58,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 04:15:58,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 04:15:58,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:15:58,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:15:58,182 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) [2022-04-15 04:15:58,186 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 [2022-04-15 04:15:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 04:15:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 04:15:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 04:15:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 04:15:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 04:15:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 04:15:58,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 04:15:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 04:15:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 04:15:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 04:15:58,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 04:15:58,253 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 04:15:58,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 04:15:58,383 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 04:15:58,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 04:15:58,388 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 04:15:58,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:15:58 BoogieIcfgContainer [2022-04-15 04:15:58,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 04:15:58,390 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-15 04:15:58,390 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-15 04:15:58,391 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-15 04:15:58,393 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:15:58" (1/1) ... [2022-04-15 04:15:58,394 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-15 04:15:58,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:15:58 BasicIcfg [2022-04-15 04:15:58,422 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-15 04:15:58,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 04:15:58,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 04:15:58,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 04:15:58,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 04:15:57" (1/4) ... [2022-04-15 04:15:58,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294fdd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:15:58, skipping insertion in model container [2022-04-15 04:15:58,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:15:58" (2/4) ... [2022-04-15 04:15:58,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294fdd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:15:58, skipping insertion in model container [2022-04-15 04:15:58,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:15:58" (3/4) ... [2022-04-15 04:15:58,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294fdd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 04:15:58, skipping insertion in model container [2022-04-15 04:15:58,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:15:58" (4/4) ... [2022-04-15 04:15:58,427 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound2.cqvasr [2022-04-15 04:15:58,430 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-15 04:15:58,430 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 04:15:58,473 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 04:15:58,477 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 [2022-04-15 04:15:58,477 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 04:15:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:15:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-15 04:15:58,502 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:15:58,502 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:15:58,504 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:15:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:15:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1119019339, now seen corresponding path program 1 times [2022-04-15 04:15:58,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:15:58,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253582054] [2022-04-15 04:15:58,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:15:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:15:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 04:15:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:58,661 INFO L290 TraceCheckUtils]: 0: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {35#true} is VALID [2022-04-15 04:15:58,661 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-15 04:15:58,661 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-15 04:15:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 04:15:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:58,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: 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] {35#true} is VALID [2022-04-15 04:15:58,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,673 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,674 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {36#false} is VALID [2022-04-15 04:15:58,675 INFO L272 TraceCheckUtils]: 0: Hoare triple {35#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 04:15:58,676 INFO L290 TraceCheckUtils]: 1: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {35#true} is VALID [2022-04-15 04:15:58,676 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-15 04:15:58,676 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-15 04:15:58,676 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-15 04:15:58,677 INFO L290 TraceCheckUtils]: 5: Hoare triple {35#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {35#true} is VALID [2022-04-15 04:15:58,677 INFO L272 TraceCheckUtils]: 6: Hoare triple {35#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {35#true} is VALID [2022-04-15 04:15:58,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: 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] {35#true} is VALID [2022-04-15 04:15:58,679 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,679 INFO L290 TraceCheckUtils]: 9: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,679 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {36#false} is VALID [2022-04-15 04:15:58,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {36#false} is VALID [2022-04-15 04:15:58,680 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#false} [89] L46-2-->L33-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,680 INFO L272 TraceCheckUtils]: 13: Hoare triple {36#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {36#false} is VALID [2022-04-15 04:15:58,681 INFO L290 TraceCheckUtils]: 14: Hoare triple {36#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {36#false} is VALID [2022-04-15 04:15:58,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} [101] L12-->L13: Formula: (= 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[] {36#false} is VALID [2022-04-15 04:15:58,682 INFO L290 TraceCheckUtils]: 16: Hoare triple {36#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-15 04:15:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:15:58,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:15:58,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253582054] [2022-04-15 04:15:58,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253582054] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:15:58,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:15:58,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 04:15:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001418696] [2022-04-15 04:15:58,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:15:58,691 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 [2022-04-15 04:15:58,692 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:15:58,694 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) [2022-04-15 04:15:58,719 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:15:58,720 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 04:15:58,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:15:58,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 04:15:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 04:15:58,741 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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) [2022-04-15 04:15:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:58,869 INFO L93 Difference]: Finished difference Result 56 states and 77 transitions. [2022-04-15 04:15:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 04:15:58,870 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 [2022-04-15 04:15:58,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:15:58,881 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) [2022-04-15 04:15:58,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-15 04:15:58,889 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) [2022-04-15 04:15:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-15 04:15:58,900 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 77 transitions. [2022-04-15 04:15:58,974 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:15:58,980 INFO L225 Difference]: With dead ends: 56 [2022-04-15 04:15:58,980 INFO L226 Difference]: Without dead ends: 28 [2022-04-15 04:15:58,982 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 [2022-04-15 04:15:58,984 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:15:58,985 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:15:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-15 04:15:59,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-15 04:15:59,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:15:59,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,004 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,004 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:59,007 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-15 04:15:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-15 04:15:59,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:15:59,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:15:59,008 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 28 states. [2022-04-15 04:15:59,008 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 28 states. [2022-04-15 04:15:59,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:59,010 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-15 04:15:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-15 04:15:59,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:15:59,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:15:59,011 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:15:59,011 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:15:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-04-15 04:15:59,013 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2022-04-15 04:15:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:15:59,014 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-04-15 04:15:59,014 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) [2022-04-15 04:15:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-04-15 04:15:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 04:15:59,015 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:15:59,015 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:15:59,015 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 04:15:59,015 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:15:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:15:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash -496973861, now seen corresponding path program 1 times [2022-04-15 04:15:59,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:15:59,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544951340] [2022-04-15 04:15:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:15:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:15:59,032 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:15:59,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806845409] [2022-04-15 04:15:59,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:15:59,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:15:59,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:15:59,034 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) [2022-04-15 04:15:59,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 04:15:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:59,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 04:15:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:59,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:15:59,189 INFO L272 TraceCheckUtils]: 0: Hoare triple {214#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {214#true} is VALID [2022-04-15 04:15:59,190 INFO L290 TraceCheckUtils]: 1: Hoare triple {214#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,190 INFO L290 TraceCheckUtils]: 2: Hoare triple {222#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,191 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {222#(<= ~counter~0 0)} {214#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,191 INFO L272 TraceCheckUtils]: 4: Hoare triple {222#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,192 INFO L290 TraceCheckUtils]: 5: Hoare triple {222#(<= ~counter~0 0)} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,192 INFO L272 TraceCheckUtils]: 6: Hoare triple {222#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,192 INFO L290 TraceCheckUtils]: 7: Hoare triple {222#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: 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] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,193 INFO L290 TraceCheckUtils]: 8: Hoare triple {222#(<= ~counter~0 0)} [92] L9-->L9-2: 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[] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,193 INFO L290 TraceCheckUtils]: 9: Hoare triple {222#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,194 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {222#(<= ~counter~0 0)} {222#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,194 INFO L290 TraceCheckUtils]: 11: Hoare triple {222#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {222#(<= ~counter~0 0)} is VALID [2022-04-15 04:15:59,195 INFO L290 TraceCheckUtils]: 12: Hoare triple {222#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {256#(<= |main_#t~post6| 0)} is VALID [2022-04-15 04:15:59,195 INFO L290 TraceCheckUtils]: 13: Hoare triple {256#(<= |main_#t~post6| 0)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {215#false} is VALID [2022-04-15 04:15:59,195 INFO L272 TraceCheckUtils]: 14: Hoare triple {215#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {215#false} is VALID [2022-04-15 04:15:59,195 INFO L290 TraceCheckUtils]: 15: Hoare triple {215#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {215#false} is VALID [2022-04-15 04:15:59,196 INFO L290 TraceCheckUtils]: 16: Hoare triple {215#false} [101] L12-->L13: Formula: (= 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[] {215#false} is VALID [2022-04-15 04:15:59,196 INFO L290 TraceCheckUtils]: 17: Hoare triple {215#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {215#false} is VALID [2022-04-15 04:15:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:15:59,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:15:59,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:15:59,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544951340] [2022-04-15 04:15:59,197 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:15:59,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806845409] [2022-04-15 04:15:59,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806845409] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:15:59,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:15:59,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 04:15:59,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313094615] [2022-04-15 04:15:59,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:15:59,200 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 [2022-04-15 04:15:59,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:15:59,201 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) [2022-04-15 04:15:59,214 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:15:59,214 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 04:15:59,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:15:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 04:15:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 04:15:59,216 INFO L87 Difference]: Start difference. First operand 27 states and 33 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) [2022-04-15 04:15:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:59,276 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-04-15 04:15:59,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 04:15:59,276 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 [2022-04-15 04:15:59,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:15:59,277 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) [2022-04-15 04:15:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-15 04:15:59,281 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) [2022-04-15 04:15:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-15 04:15:59,283 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 44 transitions. [2022-04-15 04:15:59,321 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:15:59,322 INFO L225 Difference]: With dead ends: 37 [2022-04-15 04:15:59,322 INFO L226 Difference]: Without dead ends: 29 [2022-04-15 04:15:59,323 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 [2022-04-15 04:15:59,325 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:15:59,325 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:15:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-15 04:15:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-15 04:15:59,334 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:15:59,334 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,335 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,336 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:59,338 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-15 04:15:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-15 04:15:59,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:15:59,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:15:59,341 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-15 04:15:59,341 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-15 04:15:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:15:59,344 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-15 04:15:59,344 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-15 04:15:59,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:15:59,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:15:59,345 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:15:59,345 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:15:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:15:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-04-15 04:15:59,350 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 18 [2022-04-15 04:15:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:15:59,350 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-04-15 04:15:59,350 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) [2022-04-15 04:15:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-15 04:15:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 04:15:59,352 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:15:59,352 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:15:59,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-15 04:15:59,566 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 [2022-04-15 04:15:59,566 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:15:59,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:15:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash -495871594, now seen corresponding path program 1 times [2022-04-15 04:15:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:15:59,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860204091] [2022-04-15 04:15:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:15:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:15:59,598 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:15:59,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804974510] [2022-04-15 04:15:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:15:59,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:15:59,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:15:59,616 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) [2022-04-15 04:15:59,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 04:15:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:59,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-15 04:15:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:15:59,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:15:59,827 INFO L272 TraceCheckUtils]: 0: Hoare triple {422#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-15 04:15:59,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {422#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {422#true} is VALID [2022-04-15 04:15:59,828 INFO L290 TraceCheckUtils]: 2: Hoare triple {422#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-15 04:15:59,828 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {422#true} {422#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-15 04:15:59,828 INFO L272 TraceCheckUtils]: 4: Hoare triple {422#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-15 04:15:59,829 INFO L290 TraceCheckUtils]: 5: Hoare triple {422#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {422#true} is VALID [2022-04-15 04:15:59,829 INFO L272 TraceCheckUtils]: 6: Hoare triple {422#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {422#true} is VALID [2022-04-15 04:15:59,831 INFO L290 TraceCheckUtils]: 7: Hoare triple {422#true} [88] assume_abort_if_notENTRY-->L9: 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] {422#true} is VALID [2022-04-15 04:15:59,831 INFO L290 TraceCheckUtils]: 8: Hoare triple {422#true} [92] L9-->L9-2: 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[] {422#true} is VALID [2022-04-15 04:15:59,832 INFO L290 TraceCheckUtils]: 9: Hoare triple {422#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-15 04:15:59,832 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {422#true} {422#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {422#true} is VALID [2022-04-15 04:15:59,833 INFO L290 TraceCheckUtils]: 11: Hoare triple {422#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:15:59,833 INFO L290 TraceCheckUtils]: 12: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:15:59,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:15:59,835 INFO L272 TraceCheckUtils]: 14: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {470#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:15:59,836 INFO L290 TraceCheckUtils]: 15: Hoare triple {470#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {474#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:15:59,838 INFO L290 TraceCheckUtils]: 16: Hoare triple {474#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {423#false} is VALID [2022-04-15 04:15:59,838 INFO L290 TraceCheckUtils]: 17: Hoare triple {423#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {423#false} is VALID [2022-04-15 04:15:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:15:59,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:15:59,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:15:59,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860204091] [2022-04-15 04:15:59,839 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:15:59,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804974510] [2022-04-15 04:15:59,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804974510] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:15:59,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:15:59,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 04:15:59,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820646319] [2022-04-15 04:15:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:15:59,842 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 [2022-04-15 04:15:59,843 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:15:59,843 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) [2022-04-15 04:15:59,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:15:59,855 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 04:15:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:15:59,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 04:15:59,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 04:15:59,855 INFO L87 Difference]: Start difference. First operand 29 states and 35 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) [2022-04-15 04:16:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:00,015 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2022-04-15 04:16:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 04:16:00,016 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 [2022-04-15 04:16:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:16:00,016 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) [2022-04-15 04:16:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-15 04:16:00,017 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) [2022-04-15 04:16:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-15 04:16:00,018 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2022-04-15 04:16:00,057 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:16:00,059 INFO L225 Difference]: With dead ends: 42 [2022-04-15 04:16:00,059 INFO L226 Difference]: Without dead ends: 40 [2022-04-15 04:16:00,059 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 [2022-04-15 04:16:00,060 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:16:00,060 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 83 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:16:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-15 04:16:00,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-15 04:16:00,067 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:16:00,067 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:16:00,067 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:16:00,068 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:16:00,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:00,069 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-15 04:16:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-15 04:16:00,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:00,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:00,070 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 40 states. [2022-04-15 04:16:00,070 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 40 states. [2022-04-15 04:16:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:00,072 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-15 04:16:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-15 04:16:00,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:00,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:00,072 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:16:00,072 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:16:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:16:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-04-15 04:16:00,073 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 18 [2022-04-15 04:16:00,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:16:00,074 INFO L478 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-04-15 04:16:00,074 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) [2022-04-15 04:16:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-04-15 04:16:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-15 04:16:00,074 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:16:00,074 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, 1] [2022-04-15 04:16:00,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-15 04:16:00,290 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 [2022-04-15 04:16:00,291 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:16:00,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:16:00,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1025358414, now seen corresponding path program 1 times [2022-04-15 04:16:00,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:16:00,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63444246] [2022-04-15 04:16:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:16:00,310 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:16:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387154903] [2022-04-15 04:16:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:00,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:16:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:16:00,315 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) [2022-04-15 04:16:00,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-15 04:16:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:00,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-15 04:16:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:16:07,920 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L290 TraceCheckUtils]: 1: Hoare triple {668#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {668#true} {668#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L290 TraceCheckUtils]: 5: Hoare triple {668#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-15 04:16:07,921 INFO L272 TraceCheckUtils]: 6: Hoare triple {668#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {668#true} is VALID [2022-04-15 04:16:07,922 INFO L290 TraceCheckUtils]: 7: Hoare triple {668#true} [88] assume_abort_if_notENTRY-->L9: 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] {694#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 04:16:07,922 INFO L290 TraceCheckUtils]: 8: Hoare triple {694#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {698#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:16:07,923 INFO L290 TraceCheckUtils]: 9: Hoare triple {698#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {698#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:16:07,923 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {698#(not (= |assume_abort_if_not_#in~cond| 0))} {668#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {705#(<= 1 main_~y~0)} is VALID [2022-04-15 04:16:07,924 INFO L290 TraceCheckUtils]: 11: Hoare triple {705#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-15 04:16:07,924 INFO L290 TraceCheckUtils]: 12: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [90] L46-2-->L33-1: 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] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-15 04:16:07,924 INFO L290 TraceCheckUtils]: 13: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-15 04:16:07,925 INFO L272 TraceCheckUtils]: 14: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-15 04:16:07,925 INFO L290 TraceCheckUtils]: 15: Hoare triple {668#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {722#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:16:07,925 INFO L290 TraceCheckUtils]: 16: Hoare triple {722#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:07,926 INFO L290 TraceCheckUtils]: 17: Hoare triple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:09,936 WARN L284 TraceCheckUtils]: 18: Hoare quadruple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {733#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is UNKNOWN [2022-04-15 04:16:09,938 INFO L290 TraceCheckUtils]: 19: Hoare triple {733#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {737#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} is VALID [2022-04-15 04:16:09,938 INFO L272 TraceCheckUtils]: 20: Hoare triple {737#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {741#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:16:09,939 INFO L290 TraceCheckUtils]: 21: Hoare triple {741#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {745#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:16:09,939 INFO L290 TraceCheckUtils]: 22: Hoare triple {745#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {669#false} is VALID [2022-04-15 04:16:09,939 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-15 04:16:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:16:09,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:16:47,987 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-15 04:16:47,987 INFO L290 TraceCheckUtils]: 22: Hoare triple {745#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {669#false} is VALID [2022-04-15 04:16:47,988 INFO L290 TraceCheckUtils]: 21: Hoare triple {741#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {745#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:16:47,988 INFO L272 TraceCheckUtils]: 20: Hoare triple {761#(= main_~q~0 (* main_~y~0 main_~x~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {741#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:16:47,989 INFO L290 TraceCheckUtils]: 19: Hoare triple {765#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {761#(= main_~q~0 (* main_~y~0 main_~x~0))} is VALID [2022-04-15 04:16:47,990 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} {668#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {765#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} is VALID [2022-04-15 04:16:47,991 INFO L290 TraceCheckUtils]: 17: Hoare triple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:47,991 INFO L290 TraceCheckUtils]: 16: Hoare triple {778#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:47,991 INFO L290 TraceCheckUtils]: 15: Hoare triple {668#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {778#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 04:16:47,991 INFO L272 TraceCheckUtils]: 14: Hoare triple {668#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 13: Hoare triple {668#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 12: Hoare triple {668#true} [90] L46-2-->L33-1: 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] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 11: Hoare triple {668#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {668#true} {668#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 9: Hoare triple {668#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 8: Hoare triple {668#true} [92] L9-->L9-2: 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[] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L290 TraceCheckUtils]: 7: Hoare triple {668#true} [88] assume_abort_if_notENTRY-->L9: 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] {668#true} is VALID [2022-04-15 04:16:47,992 INFO L272 TraceCheckUtils]: 6: Hoare triple {668#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {668#true} is VALID [2022-04-15 04:16:47,994 INFO L290 TraceCheckUtils]: 5: Hoare triple {668#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-15 04:16:47,995 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:47,995 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {668#true} {668#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:47,995 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:47,995 INFO L290 TraceCheckUtils]: 1: Hoare triple {668#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {668#true} is VALID [2022-04-15 04:16:47,996 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-15 04:16:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:16:47,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:16:47,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63444246] [2022-04-15 04:16:47,996 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:16:47,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387154903] [2022-04-15 04:16:47,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387154903] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 04:16:47,997 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 04:16:47,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2022-04-15 04:16:47,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298272731] [2022-04-15 04:16:47,997 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 04:16:47,997 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-15 04:16:47,998 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:16:47,998 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 04:16:50,036 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 36 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-15 04:16:50,036 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-15 04:16:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:16:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-15 04:16:50,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-04-15 04:16:50,037 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 04:16:54,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:54,258 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2022-04-15 04:16:54,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-15 04:16:54,259 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-15 04:16:54,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:16:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 04:16:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-15 04:16:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 04:16:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-15 04:16:54,263 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2022-04-15 04:16:56,337 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 68 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-15 04:16:56,338 INFO L225 Difference]: With dead ends: 55 [2022-04-15 04:16:56,338 INFO L226 Difference]: Without dead ends: 53 [2022-04-15 04:16:56,339 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-04-15 04:16:56,339 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:16:56,340 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 123 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-04-15 04:16:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-15 04:16:56,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2022-04-15 04:16:56,354 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:16:56,354 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:16:56,354 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:16:56,354 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:16:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:56,357 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-15 04:16:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-15 04:16:56,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:56,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:56,358 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-15 04:16:56,358 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-15 04:16:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:56,360 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-15 04:16:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-15 04:16:56,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:56,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:56,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:16:56,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:16:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:16:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-04-15 04:16:56,362 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 24 [2022-04-15 04:16:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:16:56,362 INFO L478 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-04-15 04:16:56,363 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-15 04:16:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-04-15 04:16:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-15 04:16:56,363 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:16:56,363 INFO L499 BasicCegarLoop]: trace histogram [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] [2022-04-15 04:16:56,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-15 04:16:56,578 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 [2022-04-15 04:16:56,579 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:16:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:16:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2117889998, now seen corresponding path program 1 times [2022-04-15 04:16:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:16:56,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178039196] [2022-04-15 04:16:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:56,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:16:56,591 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:16:56,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590539171] [2022-04-15 04:16:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:56,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:16:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:16:56,600 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) [2022-04-15 04:16:56,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-15 04:16:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:56,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 04:16:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:56,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:16:56,841 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-15 04:16:56,842 INFO L290 TraceCheckUtils]: 1: Hoare triple {1077#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,842 INFO L290 TraceCheckUtils]: 2: Hoare triple {1085#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,843 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1085#(<= ~counter~0 0)} {1077#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,844 INFO L272 TraceCheckUtils]: 4: Hoare triple {1085#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,844 INFO L290 TraceCheckUtils]: 5: Hoare triple {1085#(<= ~counter~0 0)} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,848 INFO L272 TraceCheckUtils]: 6: Hoare triple {1085#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,848 INFO L290 TraceCheckUtils]: 7: Hoare triple {1085#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: 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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,849 INFO L290 TraceCheckUtils]: 8: Hoare triple {1085#(<= ~counter~0 0)} [92] L9-->L9-2: 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[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,850 INFO L290 TraceCheckUtils]: 9: Hoare triple {1085#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,851 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1085#(<= ~counter~0 0)} {1085#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,851 INFO L290 TraceCheckUtils]: 11: Hoare triple {1085#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,852 INFO L290 TraceCheckUtils]: 12: Hoare triple {1085#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,853 INFO L290 TraceCheckUtils]: 13: Hoare triple {1119#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,865 INFO L272 TraceCheckUtils]: 14: Hoare triple {1119#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,865 INFO L290 TraceCheckUtils]: 15: Hoare triple {1119#(<= ~counter~0 1)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,866 INFO L290 TraceCheckUtils]: 16: Hoare triple {1119#(<= ~counter~0 1)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,866 INFO L290 TraceCheckUtils]: 17: Hoare triple {1119#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,867 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1119#(<= ~counter~0 1)} {1119#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,867 INFO L290 TraceCheckUtils]: 19: Hoare triple {1119#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,868 INFO L290 TraceCheckUtils]: 20: Hoare triple {1119#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,868 INFO L290 TraceCheckUtils]: 21: Hoare triple {1119#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {1147#(<= |main_#t~post6| 1)} is VALID [2022-04-15 04:16:56,868 INFO L290 TraceCheckUtils]: 22: Hoare triple {1147#(<= |main_#t~post6| 1)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-15 04:16:56,869 INFO L272 TraceCheckUtils]: 23: Hoare triple {1078#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {1078#false} is VALID [2022-04-15 04:16:56,869 INFO L290 TraceCheckUtils]: 24: Hoare triple {1078#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1078#false} is VALID [2022-04-15 04:16:56,869 INFO L290 TraceCheckUtils]: 25: Hoare triple {1078#false} [101] L12-->L13: Formula: (= 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[] {1078#false} is VALID [2022-04-15 04:16:56,869 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-15 04:16:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:16:56,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:16:56,994 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-15 04:16:56,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {1078#false} [101] L12-->L13: Formula: (= 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[] {1078#false} is VALID [2022-04-15 04:16:56,995 INFO L290 TraceCheckUtils]: 24: Hoare triple {1078#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1078#false} is VALID [2022-04-15 04:16:56,995 INFO L272 TraceCheckUtils]: 23: Hoare triple {1078#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {1078#false} is VALID [2022-04-15 04:16:56,995 INFO L290 TraceCheckUtils]: 22: Hoare triple {1147#(<= |main_#t~post6| 1)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-15 04:16:56,996 INFO L290 TraceCheckUtils]: 21: Hoare triple {1119#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {1147#(<= |main_#t~post6| 1)} is VALID [2022-04-15 04:16:56,996 INFO L290 TraceCheckUtils]: 20: Hoare triple {1119#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,997 INFO L290 TraceCheckUtils]: 19: Hoare triple {1119#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,997 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1077#true} {1119#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,997 INFO L290 TraceCheckUtils]: 17: Hoare triple {1077#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-15 04:16:56,997 INFO L290 TraceCheckUtils]: 16: Hoare triple {1077#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-15 04:16:56,998 INFO L290 TraceCheckUtils]: 15: Hoare triple {1077#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1077#true} is VALID [2022-04-15 04:16:56,998 INFO L272 TraceCheckUtils]: 14: Hoare triple {1119#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1077#true} is VALID [2022-04-15 04:16:56,998 INFO L290 TraceCheckUtils]: 13: Hoare triple {1119#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,998 INFO L290 TraceCheckUtils]: 12: Hoare triple {1085#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {1119#(<= ~counter~0 1)} is VALID [2022-04-15 04:16:56,999 INFO L290 TraceCheckUtils]: 11: Hoare triple {1085#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,999 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1077#true} {1085#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:56,999 INFO L290 TraceCheckUtils]: 9: Hoare triple {1077#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-15 04:16:56,999 INFO L290 TraceCheckUtils]: 8: Hoare triple {1077#true} [92] L9-->L9-2: 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[] {1077#true} is VALID [2022-04-15 04:16:56,999 INFO L290 TraceCheckUtils]: 7: Hoare triple {1077#true} [88] assume_abort_if_notENTRY-->L9: 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] {1077#true} is VALID [2022-04-15 04:16:56,999 INFO L272 TraceCheckUtils]: 6: Hoare triple {1085#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1077#true} is VALID [2022-04-15 04:16:57,000 INFO L290 TraceCheckUtils]: 5: Hoare triple {1085#(<= ~counter~0 0)} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:57,000 INFO L272 TraceCheckUtils]: 4: Hoare triple {1085#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:57,000 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1085#(<= ~counter~0 0)} {1077#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:57,001 INFO L290 TraceCheckUtils]: 2: Hoare triple {1085#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:57,001 INFO L290 TraceCheckUtils]: 1: Hoare triple {1077#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1085#(<= ~counter~0 0)} is VALID [2022-04-15 04:16:57,001 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-15 04:16:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:16:57,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:16:57,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178039196] [2022-04-15 04:16:57,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:16:57,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590539171] [2022-04-15 04:16:57,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590539171] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 04:16:57,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 04:16:57,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-04-15 04:16:57,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157082588] [2022-04-15 04:16:57,002 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 04:16:57,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-15 04:16:57,003 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:16:57,003 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:16:57,026 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:16:57,026 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 04:16:57,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:16:57,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 04:16:57,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-15 04:16:57,026 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:16:57,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:57,122 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2022-04-15 04:16:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-15 04:16:57,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-15 04:16:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:16:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:16:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2022-04-15 04:16:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:16:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2022-04-15 04:16:57,125 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 64 transitions. [2022-04-15 04:16:57,166 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:16:57,167 INFO L225 Difference]: With dead ends: 65 [2022-04-15 04:16:57,167 INFO L226 Difference]: Without dead ends: 55 [2022-04-15 04:16:57,168 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-15 04:16:57,168 INFO L913 BasicCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:16:57,168 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 102 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:16:57,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-15 04:16:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2022-04-15 04:16:57,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:16:57,190 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:16:57,190 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:16:57,190 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:16:57,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:57,191 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-04-15 04:16:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2022-04-15 04:16:57,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:57,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:57,192 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 55 states. [2022-04-15 04:16:57,192 INFO L87 Difference]: Start difference. First operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 55 states. [2022-04-15 04:16:57,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:16:57,194 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-04-15 04:16:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2022-04-15 04:16:57,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:16:57,194 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:16:57,194 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:16:57,194 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:16:57,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:16:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-04-15 04:16:57,195 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 27 [2022-04-15 04:16:57,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:16:57,196 INFO L478 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-04-15 04:16:57,196 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:16:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-04-15 04:16:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-15 04:16:57,196 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:16:57,196 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:16:57,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-15 04:16:57,411 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 [2022-04-15 04:16:57,411 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:16:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:16:57,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2116787731, now seen corresponding path program 1 times [2022-04-15 04:16:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:16:57,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653013697] [2022-04-15 04:16:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:57,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:16:57,423 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:16:57,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017716428] [2022-04-15 04:16:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:16:57,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:16:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:16:57,427 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) [2022-04-15 04:16:57,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-15 04:16:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:57,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjunts are in the unsatisfiable core [2022-04-15 04:16:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:16:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:16:58,532 INFO L272 TraceCheckUtils]: 0: Hoare triple {1518#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L290 TraceCheckUtils]: 1: Hoare triple {1518#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L290 TraceCheckUtils]: 2: Hoare triple {1518#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1518#true} {1518#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L272 TraceCheckUtils]: 4: Hoare triple {1518#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L290 TraceCheckUtils]: 5: Hoare triple {1518#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1518#true} is VALID [2022-04-15 04:16:58,533 INFO L272 TraceCheckUtils]: 6: Hoare triple {1518#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1518#true} is VALID [2022-04-15 04:16:58,534 INFO L290 TraceCheckUtils]: 7: Hoare triple {1518#true} [88] assume_abort_if_notENTRY-->L9: 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] {1544#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 04:16:58,534 INFO L290 TraceCheckUtils]: 8: Hoare triple {1544#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {1548#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:16:58,534 INFO L290 TraceCheckUtils]: 9: Hoare triple {1548#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1548#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:16:58,535 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1548#(not (= |assume_abort_if_not_#in~cond| 0))} {1518#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1555#(<= 1 main_~y~0)} is VALID [2022-04-15 04:16:58,536 INFO L290 TraceCheckUtils]: 11: Hoare triple {1555#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:16:58,536 INFO L290 TraceCheckUtils]: 12: Hoare triple {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:16:58,537 INFO L290 TraceCheckUtils]: 13: Hoare triple {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:16:58,537 INFO L272 TraceCheckUtils]: 14: Hoare triple {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1518#true} is VALID [2022-04-15 04:16:58,537 INFO L290 TraceCheckUtils]: 15: Hoare triple {1518#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1572#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:16:58,537 INFO L290 TraceCheckUtils]: 16: Hoare triple {1572#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:58,538 INFO L290 TraceCheckUtils]: 17: Hoare triple {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:16:58,538 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:16:58,539 INFO L290 TraceCheckUtils]: 19: Hoare triple {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-15 04:16:58,540 INFO L290 TraceCheckUtils]: 20: Hoare triple {1559#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-15 04:16:58,540 INFO L290 TraceCheckUtils]: 21: Hoare triple {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [90] L46-2-->L33-1: 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] {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-15 04:16:58,541 INFO L290 TraceCheckUtils]: 22: Hoare triple {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-15 04:16:58,543 INFO L272 TraceCheckUtils]: 23: Hoare triple {1589#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1599#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:16:58,543 INFO L290 TraceCheckUtils]: 24: Hoare triple {1599#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1603#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:16:58,544 INFO L290 TraceCheckUtils]: 25: Hoare triple {1603#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {1519#false} is VALID [2022-04-15 04:16:58,544 INFO L290 TraceCheckUtils]: 26: Hoare triple {1519#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1519#false} is VALID [2022-04-15 04:16:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:16:58,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:18:12,040 INFO L290 TraceCheckUtils]: 26: Hoare triple {1519#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1519#false} is VALID [2022-04-15 04:18:12,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {1603#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {1519#false} is VALID [2022-04-15 04:18:12,041 INFO L290 TraceCheckUtils]: 24: Hoare triple {1599#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1603#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:18:12,042 INFO L272 TraceCheckUtils]: 23: Hoare triple {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1599#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:18:12,043 INFO L290 TraceCheckUtils]: 22: Hoare triple {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-15 04:18:12,043 INFO L290 TraceCheckUtils]: 21: Hoare triple {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [90] L46-2-->L33-1: 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] {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-15 04:18:12,047 INFO L290 TraceCheckUtils]: 20: Hoare triple {1629#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1619#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-15 04:18:12,047 INFO L290 TraceCheckUtils]: 19: Hoare triple {1629#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1629#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-15 04:18:12,052 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1629#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-15 04:18:12,053 INFO L290 TraceCheckUtils]: 17: Hoare triple {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:18:12,053 INFO L290 TraceCheckUtils]: 16: Hoare triple {1646#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1576#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-15 04:18:12,053 INFO L290 TraceCheckUtils]: 15: Hoare triple {1518#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1646#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-15 04:18:12,053 INFO L272 TraceCheckUtils]: 14: Hoare triple {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1518#true} is VALID [2022-04-15 04:18:12,054 INFO L290 TraceCheckUtils]: 13: Hoare triple {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 04:18:12,055 INFO L290 TraceCheckUtils]: 12: Hoare triple {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [90] L46-2-->L33-1: 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] {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 04:18:12,055 INFO L290 TraceCheckUtils]: 11: Hoare triple {1659#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1636#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-15 04:18:12,056 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1548#(not (= |assume_abort_if_not_#in~cond| 0))} {1518#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1659#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} is VALID [2022-04-15 04:18:12,056 INFO L290 TraceCheckUtils]: 9: Hoare triple {1548#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1548#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:18:12,057 INFO L290 TraceCheckUtils]: 8: Hoare triple {1672#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} [92] L9-->L9-2: 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[] {1548#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:18:12,057 INFO L290 TraceCheckUtils]: 7: Hoare triple {1518#true} [88] assume_abort_if_notENTRY-->L9: 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] {1672#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-15 04:18:12,057 INFO L272 TraceCheckUtils]: 6: Hoare triple {1518#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {1518#true} is VALID [2022-04-15 04:18:12,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {1518#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1518#true} is VALID [2022-04-15 04:18:12,057 INFO L272 TraceCheckUtils]: 4: Hoare triple {1518#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:18:12,058 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1518#true} {1518#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:18:12,058 INFO L290 TraceCheckUtils]: 2: Hoare triple {1518#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:18:12,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {1518#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {1518#true} is VALID [2022-04-15 04:18:12,058 INFO L272 TraceCheckUtils]: 0: Hoare triple {1518#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-15 04:18:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:18:12,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:18:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653013697] [2022-04-15 04:18:12,058 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:18:12,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017716428] [2022-04-15 04:18:12,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017716428] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 04:18:12,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 04:18:12,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2022-04-15 04:18:12,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872898265] [2022-04-15 04:18:12,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 04:18:12,059 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-15 04:18:12,059 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:18:12,059 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:18:12,106 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:18:12,106 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-15 04:18:12,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:18:12,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-15 04:18:12,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-15 04:18:12,107 INFO L87 Difference]: Start difference. First operand 53 states and 63 transitions. Second operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:18:15,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:15,321 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2022-04-15 04:18:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-15 04:18:15,321 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-15 04:18:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:18:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:18:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-15 04:18:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:18:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-15 04:18:15,324 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 83 transitions. [2022-04-15 04:18:15,508 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:18:15,509 INFO L225 Difference]: With dead ends: 76 [2022-04-15 04:18:15,509 INFO L226 Difference]: Without dead ends: 74 [2022-04-15 04:18:15,509 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-04-15 04:18:15,510 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 88 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-15 04:18:15,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 175 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-15 04:18:15,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-04-15 04:18:15,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 57. [2022-04-15 04:18:15,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:18:15,545 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:15,545 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:15,545 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:15,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:15,547 INFO L93 Difference]: Finished difference Result 74 states and 96 transitions. [2022-04-15 04:18:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-04-15 04:18:15,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:18:15,548 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:18:15,548 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 74 states. [2022-04-15 04:18:15,548 INFO L87 Difference]: Start difference. First operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 74 states. [2022-04-15 04:18:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:15,550 INFO L93 Difference]: Finished difference Result 74 states and 96 transitions. [2022-04-15 04:18:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-04-15 04:18:15,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:18:15,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:18:15,550 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:18:15,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:18:15,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 41 states have internal predecessors, (49), 10 states have call successors, (10), 9 states have call predecessors, (10), 7 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2022-04-15 04:18:15,552 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 27 [2022-04-15 04:18:15,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:18:15,552 INFO L478 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2022-04-15 04:18:15,552 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-15 04:18:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2022-04-15 04:18:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-15 04:18:15,552 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:18:15,552 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] [2022-04-15 04:18:15,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-15 04:18:15,760 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 [2022-04-15 04:18:15,768 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:18:15,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:18:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash -410392694, now seen corresponding path program 1 times [2022-04-15 04:18:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:18:15,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026639801] [2022-04-15 04:18:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:18:15,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:18:15,777 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:18:15,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104166108] [2022-04-15 04:18:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:18:15,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:18:15,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:18:15,778 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) [2022-04-15 04:18:15,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-15 04:18:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:18:15,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-15 04:18:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:18:15,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:18:15,955 INFO L272 TraceCheckUtils]: 0: Hoare triple {2038#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,955 INFO L290 TraceCheckUtils]: 1: Hoare triple {2038#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 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_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 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_3, #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] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L290 TraceCheckUtils]: 2: Hoare triple {2038#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2038#true} {2038#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L272 TraceCheckUtils]: 4: Hoare triple {2038#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L290 TraceCheckUtils]: 5: Hoare triple {2038#true} [84] mainENTRY-->L26: 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_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L272 TraceCheckUtils]: 6: Hoare triple {2038#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {2038#true} is VALID [2022-04-15 04:18:15,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {2038#true} [88] assume_abort_if_notENTRY-->L9: 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] {2064#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-15 04:18:15,957 INFO L290 TraceCheckUtils]: 8: Hoare triple {2064#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {2068#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:18:15,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {2068#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2068#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-15 04:18:15,958 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2068#(not (= |assume_abort_if_not_#in~cond| 0))} {2038#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} 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] {2075#(<= 1 main_~y~0)} is VALID [2022-04-15 04:18:15,958 INFO L290 TraceCheckUtils]: 11: Hoare triple {2075#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {2079#(<= 1 main_~b~0)} is VALID [2022-04-15 04:18:15,959 INFO L290 TraceCheckUtils]: 12: Hoare triple {2079#(<= 1 main_~b~0)} [90] L46-2-->L33-1: 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] {2079#(<= 1 main_~b~0)} is VALID [2022-04-15 04:18:15,959 INFO L290 TraceCheckUtils]: 13: Hoare triple {2079#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2079#(<= 1 main_~b~0)} is VALID [2022-04-15 04:18:15,959 INFO L272 TraceCheckUtils]: 14: Hoare triple {2079#(<= 1 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2038#true} is VALID [2022-04-15 04:18:15,959 INFO L290 TraceCheckUtils]: 15: Hoare triple {2038#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2038#true} is VALID [2022-04-15 04:18:15,959 INFO L290 TraceCheckUtils]: 16: Hoare triple {2038#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,959 INFO L290 TraceCheckUtils]: 17: Hoare triple {2038#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,960 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2038#true} {2079#(<= 1 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2079#(<= 1 main_~b~0)} is VALID [2022-04-15 04:18:15,961 INFO L290 TraceCheckUtils]: 19: Hoare triple {2079#(<= 1 main_~b~0)} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {2104#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-15 04:18:15,961 INFO L272 TraceCheckUtils]: 20: Hoare triple {2104#(and (= main_~a~0 0) (<= 1 main_~b~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {2038#true} is VALID [2022-04-15 04:18:15,961 INFO L290 TraceCheckUtils]: 21: Hoare triple {2038#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2038#true} is VALID [2022-04-15 04:18:15,961 INFO L290 TraceCheckUtils]: 22: Hoare triple {2038#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,961 INFO L290 TraceCheckUtils]: 23: Hoare triple {2038#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2038#true} is VALID [2022-04-15 04:18:15,962 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {2038#true} {2104#(and (= main_~a~0 0) (<= 1 main_~b~0))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} 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] {2104#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-15 04:18:15,962 INFO L272 TraceCheckUtils]: 25: Hoare triple {2104#(and (= main_~a~0 0) (<= 1 main_~b~0))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {2123#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:18:15,962 INFO L290 TraceCheckUtils]: 26: Hoare triple {2123#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2127#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:18:15,963 INFO L290 TraceCheckUtils]: 27: Hoare triple {2127#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= 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[] {2039#false} is VALID [2022-04-15 04:18:15,963 INFO L290 TraceCheckUtils]: 28: Hoare triple {2039#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2039#false} is VALID [2022-04-15 04:18:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-15 04:18:15,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:18:15,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:18:15,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026639801] [2022-04-15 04:18:15,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:18:15,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104166108] [2022-04-15 04:18:15,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104166108] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:18:15,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:18:15,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-15 04:18:15,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137376726] [2022-04-15 04:18:15,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:18:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-15 04:18:15,964 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:18:15,964 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-15 04:18:15,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:18:15,984 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-15 04:18:15,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:18:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-15 04:18:15,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-04-15 04:18:15,985 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-15 04:18:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:16,291 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2022-04-15 04:18:16,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-15 04:18:16,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-15 04:18:16,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:18:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-15 04:18:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-15 04:18:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-15 04:18:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-15 04:18:16,294 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 57 transitions. [2022-04-15 04:18:16,334 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:18:16,335 INFO L225 Difference]: With dead ends: 76 [2022-04-15 04:18:16,335 INFO L226 Difference]: Without dead ends: 60 [2022-04-15 04:18:16,336 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-04-15 04:18:16,336 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 33 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 04:18:16,336 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 141 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 04:18:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-15 04:18:16,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2022-04-15 04:18:16,365 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:18:16,365 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:16,366 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:16,366 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:16,367 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2022-04-15 04:18:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-04-15 04:18:16,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:18:16,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:18:16,368 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 60 states. [2022-04-15 04:18:16,368 INFO L87 Difference]: Start difference. First operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 60 states. [2022-04-15 04:18:16,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:18:16,369 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2022-04-15 04:18:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2022-04-15 04:18:16,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:18:16,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:18:16,369 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:18:16,369 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:18:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:18:16,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-04-15 04:18:16,371 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 29 [2022-04-15 04:18:16,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:18:16,371 INFO L478 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-04-15 04:18:16,371 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-15 04:18:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-04-15 04:18:16,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-15 04:18:16,371 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:18:16,372 INFO L499 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:18:16,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-15 04:18:16,587 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 [2022-04-15 04:18:16,588 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:18:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:18:16,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1979136443, now seen corresponding path program 2 times [2022-04-15 04:18:16,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:18:16,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382231712] [2022-04-15 04:18:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:18:16,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:18:16,604 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:18:16,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509608042] [2022-04-15 04:18:16,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 04:18:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:18:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:18:16,605 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) [2022-04-15 04:18:16,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-15 04:18:16,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 04:18:16,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-15 04:18:16,642 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-15 04:18:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-15 04:18:16,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-15 04:18:16,669 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-15 04:18:16,669 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-15 04:18:16,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-15 04:18:16,870 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 [2022-04-15 04:18:16,873 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-04-15 04:18:16,875 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-15 04:18:16,897 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-15 04:18:16,898 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-15 04:18:16,898 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-15 04:18:16,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 04:18:16 BasicIcfg [2022-04-15 04:18:16,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-15 04:18:16,899 INFO L158 Benchmark]: Toolchain (without parser) took 138995.47ms. Allocated memory was 245.4MB in the beginning and 306.2MB in the end (delta: 60.8MB). Free memory was 215.1MB in the beginning and 118.7MB in the end (delta: 96.4MB). Peak memory consumption was 156.7MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 245.4MB. Free memory is still 203.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.84ms. Allocated memory is still 245.4MB. Free memory was 214.8MB in the beginning and 216.4MB in the end (delta: -1.6MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: Boogie Preprocessor took 36.09ms. Allocated memory is still 245.4MB. Free memory was 216.2MB in the beginning and 214.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: RCFGBuilder took 232.34ms. Allocated memory is still 245.4MB. Free memory was 214.6MB in the beginning and 202.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: IcfgTransformer took 31.74ms. Allocated memory is still 245.4MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,900 INFO L158 Benchmark]: TraceAbstraction took 138475.94ms. Allocated memory was 245.4MB in the beginning and 306.2MB in the end (delta: 60.8MB). Free memory was 199.5MB in the beginning and 118.7MB in the end (delta: 80.8MB). Peak memory consumption was 141.9MB. Max. memory is 8.0GB. [2022-04-15 04:18:16,901 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 0.11ms. Allocated memory is still 245.4MB. Free memory is still 203.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.84ms. Allocated memory is still 245.4MB. Free memory was 214.8MB in the beginning and 216.4MB in the end (delta: -1.6MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.09ms. Allocated memory is still 245.4MB. Free memory was 216.2MB in the beginning and 214.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 232.34ms. Allocated memory is still 245.4MB. Free memory was 214.6MB in the beginning and 202.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 31.74ms. Allocated memory is still 245.4MB. Free memory was 202.1MB in the beginning and 200.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 138475.94ms. Allocated memory was 245.4MB in the beginning and 306.2MB in the end (delta: 60.8MB). Free memory was 199.5MB in the beginning and 118.7MB in the end (delta: 80.8MB). Peak memory consumption was 141.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; VAL [\old(counter)=7, counter=0] [L21] int x, y; [L22] long long a, b, p, q; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L26] RET assume_abort_if_not(y >= 1) VAL [\old(counter)=0, counter=0, x=4, y=4] [L28] a = x [L29] b = y [L30] p = 1 [L31] q = 0 VAL [\old(counter)=0, a=4, b=4, counter=0, p=1, q=0, x=4, y=4] [L33] EXPR counter++ VAL [\old(counter)=0, a=4, b=4, counter=1, counter++=0, p=1, q=0, x=4, y=4] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=4, b=4, counter=1, p=1, q=0, x=4, y=4] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=4, b=4, counter=1, p=1, q=0, x=4, y=4] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=2, b=2, counter=1, p=4, q=0, x=4, y=4] [L33] EXPR counter++ VAL [\old(counter)=0, a=2, b=2, counter=2, counter++=1, p=4, q=0, x=4, y=4] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=2, b=2, counter=2, p=4, q=0, x=4, y=4] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=2, b=2, counter=2, p=4, q=0, x=4, y=4] [L39] COND TRUE a % 2 == 0 && b % 2 == 0 [L40] a = a / 2 [L41] b = b / 2 [L42] p = 4 * p VAL [\old(counter)=0, a=1, b=1, counter=2, p=16, q=0, x=4, y=4] [L33] EXPR counter++ VAL [\old(counter)=0, a=1, b=1, counter=3, counter++=2, p=16, q=0, x=4, y=4] [L33] COND FALSE !(counter++<2) [L56] CALL __VERIFIER_assert(q == (long long) x * y) VAL [\old(cond)=0, \old(counter)=0, counter=3] [L12] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=3] [L14] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 138.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 551 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 782 IncrementalHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 194 mSDtfsCounter, 782 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 176 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=6, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 123.1s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 1056 SizeOfPredicates, 20 NumberOfNonLiveVariables, 597 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 16/30 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 RESULT: Ultimate proved your program to be incorrect! [2022-04-15 04:18:16,937 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...