/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_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 02:10:31,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 02:10:31,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 02:10:31,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 02:10:31,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 02:10:31,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 02:10:31,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 02:10:31,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 02:10:31,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 02:10:31,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 02:10:31,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 02:10:31,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 02:10:31,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 02:10:31,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 02:10:31,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 02:10:31,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 02:10:31,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 02:10:31,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 02:10:31,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 02:10:31,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 02:10:31,858 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 02:10:31,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 02:10:31,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 02:10:31,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 02:10:31,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 02:10:31,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 02:10:31,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 02:10:31,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 02:10:31,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 02:10:31,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 02:10:31,891 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 02:10:31,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 02:10:31,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 02:10:31,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 02:10:31,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 02:10:31,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 02:10:31,892 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 02:10:31,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 02:10:31,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 02:10:31,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 02:10:31,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 02:10:31,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:10:31,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 02:10:31,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 02:10:31,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 02:10:31,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 02:10:31,895 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 02:10:31,895 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 02:10:32,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 02:10:32,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 02:10:32,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 02:10:32,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 02:10:32,097 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 02:10:32,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2022-04-08 02:10:32,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283bddeaf/9efe9eb68fa54fcabde22a0eee16545c/FLAG65cee7fb2 [2022-04-08 02:10:32,497 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 02:10:32,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2022-04-08 02:10:32,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283bddeaf/9efe9eb68fa54fcabde22a0eee16545c/FLAG65cee7fb2 [2022-04-08 02:10:32,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/283bddeaf/9efe9eb68fa54fcabde22a0eee16545c [2022-04-08 02:10:32,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 02:10:32,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 02:10:32,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 02:10:32,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 02:10:32,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 02:10:32,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f94d029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32, skipping insertion in model container [2022-04-08 02:10:32,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 02:10:32,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 02:10:32,666 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_unwindbound5.c[524,537] [2022-04-08 02:10:32,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:10:32,691 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 02:10:32,699 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_unwindbound5.c[524,537] [2022-04-08 02:10:32,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 02:10:32,716 INFO L208 MainTranslator]: Completed translation [2022-04-08 02:10:32,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32 WrapperNode [2022-04-08 02:10:32,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 02:10:32,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 02:10:32,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 02:10:32,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 02:10:32,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 02:10:32,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 02:10:32,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 02:10:32,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 02:10:32,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (1/1) ... [2022-04-08 02:10:32,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 02:10:32,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:10:32,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-08 02:10:32,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-08 02:10:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 02:10:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 02:10:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 02:10:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 02:10:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 02:10:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 02:10:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 02:10:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 02:10:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 02:10:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 02:10:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 02:10:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 02:10:32,847 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 02:10:32,848 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 02:10:33,027 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 02:10:33,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 02:10:33,032 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 02:10:33,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:10:33 BoogieIcfgContainer [2022-04-08 02:10:33,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 02:10:33,033 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 02:10:33,034 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 02:10:33,034 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 02:10:33,037 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:10:33" (1/1) ... [2022-04-08 02:10:33,038 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 02:10:33,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 02:10:33 BasicIcfg [2022-04-08 02:10:33,061 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-08 02:10:33,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 02:10:33,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 02:10:33,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 02:10:33,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 02:10:32" (1/4) ... [2022-04-08 02:10:33,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431fa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 02:10:33, skipping insertion in model container [2022-04-08 02:10:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 02:10:32" (2/4) ... [2022-04-08 02:10:33,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431fa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 02:10:33, skipping insertion in model container [2022-04-08 02:10:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 02:10:33" (3/4) ... [2022-04-08 02:10:33,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431fa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 02:10:33, skipping insertion in model container [2022-04-08 02:10:33,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 02:10:33" (4/4) ... [2022-04-08 02:10:33,073 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound5.cqvasr [2022-04-08 02:10:33,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-08 02:10:33,078 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 02:10:33,106 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 02:10:33,110 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 02:10:33,110 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 02:10:33,126 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) [2022-04-08 02:10:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 02:10:33,131 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:10:33,132 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:10:33,132 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:10:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:10:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1119019339, now seen corresponding path program 1 times [2022-04-08 02:10:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:10:33,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123975954] [2022-04-08 02:10:33,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:33,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:10:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 02:10:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:33,314 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 [2022-04-08 02:10:33,315 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-08 02:10:33,315 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 [2022-04-08 02:10:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 02:10:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:33,328 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 [2022-04-08 02:10:33,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-08 02:10:33,329 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 [2022-04-08 02:10:33,329 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 [2022-04-08 02:10:33,331 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 [2022-04-08 02:10:33,331 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 [2022-04-08 02:10:33,331 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-08 02:10:33,331 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 [2022-04-08 02:10:33,332 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-08 02:10:33,332 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 [2022-04-08 02:10:33,332 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 [2022-04-08 02:10:33,333 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 [2022-04-08 02:10:33,333 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-08 02:10:33,333 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 [2022-04-08 02:10:33,333 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 [2022-04-08 02:10:33,334 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 [2022-04-08 02:10:33,334 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#false} [89] L46-2-->L33-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-08 02:10:33,335 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 [2022-04-08 02:10:33,335 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 [2022-04-08 02:10:33,335 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 [2022-04-08 02:10:33,336 INFO L290 TraceCheckUtils]: 16: Hoare triple {36#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-08 02:10:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:10:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:10:33,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123975954] [2022-04-08 02:10:33,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123975954] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:10:33,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:10:33,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 02:10:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169311546] [2022-04-08 02:10:33,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:10:33,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 02:10:33,345 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:10:33,347 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:33,366 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:33,366 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 02:10:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:10:33,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 02:10:33,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 02:10:33,390 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) [2022-04-08 02:10:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:33,515 INFO L93 Difference]: Finished difference Result 56 states and 77 transitions. [2022-04-08 02:10:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 02:10:33,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-08 02:10:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:10:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-08 02:10:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-08 02:10:33,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 77 transitions. [2022-04-08 02:10:33,619 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:33,628 INFO L225 Difference]: With dead ends: 56 [2022-04-08 02:10:33,628 INFO L226 Difference]: Without dead ends: 28 [2022-04-08 02:10:33,630 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 02:10:33,635 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 [2022-04-08 02:10:33,636 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] [2022-04-08 02:10:33,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-08 02:10:33,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-08 02:10:33,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:10:33,661 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) [2022-04-08 02:10:33,662 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) [2022-04-08 02:10:33,662 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) [2022-04-08 02:10:33,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:33,667 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-08 02:10:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-08 02:10:33,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:33,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:33,671 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. [2022-04-08 02:10:33,671 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. [2022-04-08 02:10:33,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:33,681 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-08 02:10:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-08 02:10:33,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:33,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:33,683 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:10:33,683 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:10:33,684 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) [2022-04-08 02:10:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-04-08 02:10:33,687 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2022-04-08 02:10:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:10:33,687 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-04-08 02:10:33,688 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-04-08 02:10:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-08 02:10:33,689 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:10:33,689 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:10:33,690 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 02:10:33,690 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:10:33,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:10:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash -496973861, now seen corresponding path program 1 times [2022-04-08 02:10:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:10:33,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836341732] [2022-04-08 02:10:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:33,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:10:33,720 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:10:33,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621384662] [2022-04-08 02:10:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:33,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:10:33,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:10:33,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:10:33,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 02:10:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:33,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 02:10:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:33,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:10:33,930 INFO L272 TraceCheckUtils]: 0: Hoare triple {214#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {214#true} is VALID [2022-04-08 02:10:33,931 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 [2022-04-08 02:10:33,931 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 [2022-04-08 02:10:33,932 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 [2022-04-08 02:10:33,932 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 [2022-04-08 02:10:33,932 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 [2022-04-08 02:10:33,933 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 [2022-04-08 02:10:33,933 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 [2022-04-08 02:10:33,934 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 [2022-04-08 02:10:33,934 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 [2022-04-08 02:10:33,934 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 [2022-04-08 02:10:33,935 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 [2022-04-08 02:10:33,935 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 [2022-04-08 02:10:33,936 INFO L290 TraceCheckUtils]: 13: Hoare triple {256#(<= |main_#t~post6| 0)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {215#false} is VALID [2022-04-08 02:10:33,936 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 [2022-04-08 02:10:33,936 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 [2022-04-08 02:10:33,936 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 [2022-04-08 02:10:33,936 INFO L290 TraceCheckUtils]: 17: Hoare triple {215#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {215#false} is VALID [2022-04-08 02:10:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:10:33,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:10:33,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:10:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836341732] [2022-04-08 02:10:33,937 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:10:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621384662] [2022-04-08 02:10:33,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621384662] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:10:33,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:10:33,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 02:10:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338186764] [2022-04-08 02:10:33,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:10:33,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-08 02:10:33,938 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:10:33,939 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:10:33,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:33,952 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 02:10:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:10:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 02:10:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 02:10:33,953 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) [2022-04-08 02:10:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,010 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-04-08 02:10:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 02:10:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-08 02:10:34,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:10:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:10:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-08 02:10:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:10:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-08 02:10:34,013 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 44 transitions. [2022-04-08 02:10:34,050 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:34,052 INFO L225 Difference]: With dead ends: 37 [2022-04-08 02:10:34,052 INFO L226 Difference]: Without dead ends: 29 [2022-04-08 02:10:34,052 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 02:10:34,054 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 [2022-04-08 02:10:34,054 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] [2022-04-08 02:10:34,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-08 02:10:34,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-08 02:10:34,063 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:10:34,063 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) [2022-04-08 02:10:34,064 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) [2022-04-08 02:10:34,064 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) [2022-04-08 02:10:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,067 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-08 02:10:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-08 02:10:34,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:34,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:34,070 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. [2022-04-08 02:10:34,070 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. [2022-04-08 02:10:34,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,073 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-08 02:10:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-08 02:10:34,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:34,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:34,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:10:34,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:10:34,074 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) [2022-04-08 02:10:34,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-04-08 02:10:34,078 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 18 [2022-04-08 02:10:34,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:10:34,078 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-04-08 02:10:34,078 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-08 02:10:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-08 02:10:34,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-08 02:10:34,080 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:10:34,080 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:10:34,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-08 02:10:34,280 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:10:34,280 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:10:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:10:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash -495871594, now seen corresponding path program 1 times [2022-04-08 02:10:34,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:10:34,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176881344] [2022-04-08 02:10:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:10:34,294 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:10:34,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67888811] [2022-04-08 02:10:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:34,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:10:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:10:34,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:10:34,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 02:10:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:34,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 02:10:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:34,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:10:34,487 INFO L272 TraceCheckUtils]: 0: Hoare triple {422#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-08 02:10:34,488 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 [2022-04-08 02:10:34,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {422#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-08 02:10:34,488 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 [2022-04-08 02:10:34,488 INFO L272 TraceCheckUtils]: 4: Hoare triple {422#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-08 02:10:34,489 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 [2022-04-08 02:10:34,489 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 [2022-04-08 02:10:34,491 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 [2022-04-08 02:10:34,491 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 [2022-04-08 02:10:34,491 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 [2022-04-08 02:10:34,492 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 [2022-04-08 02:10:34,492 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 [2022-04-08 02:10:34,493 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 [2022-04-08 02:10:34,493 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| 5) 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 [2022-04-08 02:10:34,495 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 [2022-04-08 02:10:34,495 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 [2022-04-08 02:10:34,497 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 [2022-04-08 02:10:34,497 INFO L290 TraceCheckUtils]: 17: Hoare triple {423#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {423#false} is VALID [2022-04-08 02:10:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:10:34,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:10:34,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:10:34,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176881344] [2022-04-08 02:10:34,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:10:34,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67888811] [2022-04-08 02:10:34,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67888811] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:10:34,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:10:34,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 02:10:34,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259900439] [2022-04-08 02:10:34,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:10:34,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-08 02:10:34,501 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:10:34,501 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:34,514 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:34,514 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 02:10:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:10:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 02:10:34,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-08 02:10:34,515 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) [2022-04-08 02:10:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,679 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2022-04-08 02:10:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 02:10:34,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-08 02:10:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:10:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-08 02:10:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-08 02:10:34,684 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2022-04-08 02:10:34,725 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:10:34,727 INFO L225 Difference]: With dead ends: 42 [2022-04-08 02:10:34,727 INFO L226 Difference]: Without dead ends: 40 [2022-04-08 02:10:34,728 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-08 02:10:34,729 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, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:10:34,731 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 83 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:10:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-08 02:10:34,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-08 02:10:34,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:10:34,742 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) [2022-04-08 02:10:34,742 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) [2022-04-08 02:10:34,743 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) [2022-04-08 02:10:34,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,747 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-08 02:10:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-08 02:10:34,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:34,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:34,747 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. [2022-04-08 02:10:34,748 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. [2022-04-08 02:10:34,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:10:34,749 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-08 02:10:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-08 02:10:34,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:10:34,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:10:34,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:10:34,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:10:34,750 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) [2022-04-08 02:10:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-04-08 02:10:34,751 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 18 [2022-04-08 02:10:34,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:10:34,751 INFO L478 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-04-08 02:10:34,751 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-08 02:10:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-04-08 02:10:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-08 02:10:34,752 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:10:34,752 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] [2022-04-08 02:10:34,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 02:10:34,959 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-08 02:10:34,960 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:10:34,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:10:34,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1025358414, now seen corresponding path program 1 times [2022-04-08 02:10:34,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:10:34,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048872259] [2022-04-08 02:10:34,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:10:34,980 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:10:34,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324359415] [2022-04-08 02:10:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:10:34,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:10:34,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:10:34,981 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:10:34,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 02:10:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:35,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 02:10:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:10:35,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:10:43,750 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:43,750 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 [2022-04-08 02:10:43,750 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:43,751 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 [2022-04-08 02:10:43,751 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:43,751 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 [2022-04-08 02:10:43,751 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 [2022-04-08 02:10:43,751 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 [2022-04-08 02:10:43,752 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 [2022-04-08 02:10:43,752 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 [2022-04-08 02:10:43,753 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 [2022-04-08 02:10:43,753 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 [2022-04-08 02:10:43,754 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 [2022-04-08 02:10:43,754 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| 5) 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 [2022-04-08 02:10:43,754 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 [2022-04-08 02:10:43,754 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 [2022-04-08 02:10:43,755 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 [2022-04-08 02:10:43,755 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 [2022-04-08 02:10:45,758 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 [2022-04-08 02:10:45,759 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 [2022-04-08 02:10:45,761 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 [2022-04-08 02:10:45,761 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 [2022-04-08 02:10:45,762 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 [2022-04-08 02:10:45,762 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-08 02:10:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:10:45,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:10:58,490 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-08 02:10:58,491 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 [2022-04-08 02:10:58,491 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 [2022-04-08 02:10:58,492 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 [2022-04-08 02:10:58,493 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 [2022-04-08 02:10:58,495 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 [2022-04-08 02:10:58,495 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 [2022-04-08 02:10:58,496 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 [2022-04-08 02:10:58,496 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 [2022-04-08 02:10:58,496 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 [2022-04-08 02:10:58,496 INFO L290 TraceCheckUtils]: 13: Hoare triple {668#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {668#true} is VALID [2022-04-08 02:10:58,496 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 [2022-04-08 02:10:58,496 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 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 [2022-04-08 02:10:58,497 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:58,498 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 [2022-04-08 02:10:58,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:58,498 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 [2022-04-08 02:10:58,498 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-08 02:10:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:10:58,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:10:58,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048872259] [2022-04-08 02:10:58,498 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:10:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324359415] [2022-04-08 02:10:58,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324359415] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:10:58,499 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:10:58,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2022-04-08 02:10:58,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308550279] [2022-04-08 02:10:58,499 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:10:58,499 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 [2022-04-08 02:10:58,500 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:10:58,500 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) [2022-04-08 02:11:00,537 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 36 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-08 02:11:00,537 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-08 02:11:00,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:11:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-08 02:11:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-04-08 02:11:00,538 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) [2022-04-08 02:11:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:04,823 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2022-04-08 02:11:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-08 02:11:04,823 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 [2022-04-08 02:11:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:11:04,824 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) [2022-04-08 02:11:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-08 02:11:04,826 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) [2022-04-08 02:11:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-08 02:11:04,828 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2022-04-08 02:11:06,893 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 68 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-08 02:11:06,895 INFO L225 Difference]: With dead ends: 55 [2022-04-08 02:11:06,895 INFO L226 Difference]: Without dead ends: 53 [2022-04-08 02:11:06,895 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 [2022-04-08 02:11:06,896 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-04-08 02:11:06,896 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 123 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-08 02:11:06,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-08 02:11:06,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2022-04-08 02:11:06,916 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:11:06,917 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) [2022-04-08 02:11:06,917 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) [2022-04-08 02:11:06,917 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) [2022-04-08 02:11:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:06,919 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-08 02:11:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-08 02:11:06,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:11:06,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:11:06,920 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. [2022-04-08 02:11:06,920 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. [2022-04-08 02:11:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:06,922 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-08 02:11:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-08 02:11:06,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:11:06,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:11:06,923 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:11:06,923 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:11:06,923 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) [2022-04-08 02:11:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-04-08 02:11:06,924 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 24 [2022-04-08 02:11:06,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:11:06,924 INFO L478 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-04-08 02:11:06,925 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) [2022-04-08 02:11:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-04-08 02:11:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-08 02:11:06,925 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:11:06,925 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] [2022-04-08 02:11:06,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-08 02:11:07,139 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:11:07,140 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:11:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:11:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2117889998, now seen corresponding path program 1 times [2022-04-08 02:11:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:11:07,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046098152] [2022-04-08 02:11:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:11:07,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:11:07,159 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:11:07,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606623563] [2022-04-08 02:11:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:11:07,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:11:07,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:11:07,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:11:07,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 02:11:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:11:07,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 02:11:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:11:07,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:11:07,318 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-08 02:11:07,319 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 [2022-04-08 02:11:07,319 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 [2022-04-08 02:11:07,320 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 [2022-04-08 02:11:07,320 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 [2022-04-08 02:11:07,320 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 [2022-04-08 02:11:07,322 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 [2022-04-08 02:11:07,322 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 [2022-04-08 02:11:07,322 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 [2022-04-08 02:11:07,323 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 [2022-04-08 02:11:07,323 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 [2022-04-08 02:11:07,323 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 [2022-04-08 02:11:07,324 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 [2022-04-08 02:11:07,324 INFO L290 TraceCheckUtils]: 13: Hoare triple {1119#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1119#(<= ~counter~0 1)} is VALID [2022-04-08 02:11:07,325 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 [2022-04-08 02:11:07,325 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 [2022-04-08 02:11:07,326 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 [2022-04-08 02:11:07,326 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 [2022-04-08 02:11:07,327 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 [2022-04-08 02:11:07,327 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 [2022-04-08 02:11:07,327 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 [2022-04-08 02:11:07,328 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 [2022-04-08 02:11:07,328 INFO L290 TraceCheckUtils]: 22: Hoare triple {1147#(<= |main_#t~post6| 1)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-08 02:11:07,328 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 [2022-04-08 02:11:07,328 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 [2022-04-08 02:11:07,328 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 [2022-04-08 02:11:07,328 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-08 02:11:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:11:07,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:11:07,473 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-08 02:11:07,474 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 [2022-04-08 02:11:07,474 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 [2022-04-08 02:11:07,474 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 [2022-04-08 02:11:07,474 INFO L290 TraceCheckUtils]: 22: Hoare triple {1175#(< |main_#t~post6| 5)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-08 02:11:07,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {1179#(< ~counter~0 5)} [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] {1175#(< |main_#t~post6| 5)} is VALID [2022-04-08 02:11:07,475 INFO L290 TraceCheckUtils]: 20: Hoare triple {1179#(< ~counter~0 5)} [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] {1179#(< ~counter~0 5)} is VALID [2022-04-08 02:11:07,475 INFO L290 TraceCheckUtils]: 19: Hoare triple {1179#(< ~counter~0 5)} [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[] {1179#(< ~counter~0 5)} is VALID [2022-04-08 02:11:07,476 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1077#true} {1179#(< ~counter~0 5)} [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] {1179#(< ~counter~0 5)} is VALID [2022-04-08 02:11:07,476 INFO L290 TraceCheckUtils]: 17: Hoare triple {1077#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-08 02:11:07,477 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 [2022-04-08 02:11:07,477 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 [2022-04-08 02:11:07,477 INFO L272 TraceCheckUtils]: 14: Hoare triple {1179#(< ~counter~0 5)} [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 [2022-04-08 02:11:07,477 INFO L290 TraceCheckUtils]: 13: Hoare triple {1179#(< ~counter~0 5)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1179#(< ~counter~0 5)} is VALID [2022-04-08 02:11:07,478 INFO L290 TraceCheckUtils]: 12: Hoare triple {1207#(< ~counter~0 4)} [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] {1179#(< ~counter~0 5)} is VALID [2022-04-08 02:11:07,478 INFO L290 TraceCheckUtils]: 11: Hoare triple {1207#(< ~counter~0 4)} [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] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,478 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1077#true} {1207#(< ~counter~0 4)} [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] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,479 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 [2022-04-08 02:11:07,479 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 [2022-04-08 02:11:07,479 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 [2022-04-08 02:11:07,479 INFO L272 TraceCheckUtils]: 6: Hoare triple {1207#(< ~counter~0 4)} [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 [2022-04-08 02:11:07,479 INFO L290 TraceCheckUtils]: 5: Hoare triple {1207#(< ~counter~0 4)} [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] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,480 INFO L272 TraceCheckUtils]: 4: Hoare triple {1207#(< ~counter~0 4)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,480 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1207#(< ~counter~0 4)} {1077#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,480 INFO L290 TraceCheckUtils]: 2: Hoare triple {1207#(< ~counter~0 4)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,481 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] {1207#(< ~counter~0 4)} is VALID [2022-04-08 02:11:07,481 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-08 02:11:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:11:07,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:11:07,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046098152] [2022-04-08 02:11:07,481 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:11:07,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606623563] [2022-04-08 02:11:07,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606623563] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:11:07,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:11:07,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-08 02:11:07,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150322979] [2022-04-08 02:11:07,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:11:07,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-08 02:11:07,482 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:11:07,483 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-08 02:11:07,514 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:11:07,515 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 02:11:07,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:11:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 02:11:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-08 02:11:07,515 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-08 02:11:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:07,723 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2022-04-08 02:11:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 02:11:07,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-08 02:11:07,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:11:07,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-08 02:11:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 106 transitions. [2022-04-08 02:11:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-08 02:11:07,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 106 transitions. [2022-04-08 02:11:07,728 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 106 transitions. [2022-04-08 02:11:07,795 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:11:07,797 INFO L225 Difference]: With dead ends: 103 [2022-04-08 02:11:07,797 INFO L226 Difference]: Without dead ends: 93 [2022-04-08 02:11:07,798 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-08 02:11:07,798 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 55 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:11:07,798 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 182 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:11:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-08 02:11:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2022-04-08 02:11:07,850 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:11:07,851 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-08 02:11:07,852 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-08 02:11:07,853 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-08 02:11:07,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:07,858 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-08 02:11:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-08 02:11:07,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:11:07,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:11:07,862 INFO L74 IsIncluded]: Start isIncluded. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-08 02:11:07,863 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-08 02:11:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:11:07,866 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-08 02:11:07,866 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-08 02:11:07,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:11:07,867 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:11:07,867 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:11:07,867 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:11:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-08 02:11:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2022-04-08 02:11:07,869 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 107 transitions. Word has length 27 [2022-04-08 02:11:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:11:07,870 INFO L478 AbstractCegarLoop]: Abstraction has 87 states and 107 transitions. [2022-04-08 02:11:07,872 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-08 02:11:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2022-04-08 02:11:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-08 02:11:07,873 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:11:07,873 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] [2022-04-08 02:11:07,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 02:11:08,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:11:08,083 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:11:08,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:11:08,083 INFO L85 PathProgramCache]: Analyzing trace with hash -2116787731, now seen corresponding path program 1 times [2022-04-08 02:11:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:11:08,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459497099] [2022-04-08 02:11:08,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:11:08,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:11:08,097 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:11:08,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590890687] [2022-04-08 02:11:08,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:11:08,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:11:08,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:11:08,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:11:08,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 02:11:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:11:08,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjunts are in the unsatisfiable core [2022-04-08 02:11:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:11:08,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:11:09,722 INFO L272 TraceCheckUtils]: 0: Hoare triple {1697#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L290 TraceCheckUtils]: 1: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L290 TraceCheckUtils]: 2: Hoare triple {1697#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1697#true} {1697#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L272 TraceCheckUtils]: 4: Hoare triple {1697#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L290 TraceCheckUtils]: 5: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:11:09,723 INFO L272 TraceCheckUtils]: 6: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:11:09,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {1697#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] {1723#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 02:11:09,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {1723#(= 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[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:11:09,724 INFO L290 TraceCheckUtils]: 9: Hoare triple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:11:09,725 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} {1697#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] {1734#(<= 1 main_~y~0)} is VALID [2022-04-08 02:11:09,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {1734#(<= 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] {1738#(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 [2022-04-08 02:11:09,726 INFO L290 TraceCheckUtils]: 12: Hoare triple {1738#(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] {1738#(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 [2022-04-08 02:11:09,726 INFO L290 TraceCheckUtils]: 13: Hoare triple {1738#(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| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1738#(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 [2022-04-08 02:11:09,726 INFO L272 TraceCheckUtils]: 14: Hoare triple {1738#(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] {1697#true} is VALID [2022-04-08 02:11:09,726 INFO L290 TraceCheckUtils]: 15: Hoare triple {1697#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] {1751#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:11:09,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {1751#(= |__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[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:11:09,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:11:09,728 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} {1738#(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] {1738#(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 [2022-04-08 02:11:09,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {1738#(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[] {1738#(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 [2022-04-08 02:11:09,729 INFO L290 TraceCheckUtils]: 20: Hoare triple {1738#(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] {1768#(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 [2022-04-08 02:11:09,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {1768#(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] {1768#(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 [2022-04-08 02:11:09,730 INFO L290 TraceCheckUtils]: 22: Hoare triple {1768#(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| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1768#(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 [2022-04-08 02:11:09,733 INFO L272 TraceCheckUtils]: 23: Hoare triple {1768#(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] {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:11:09,734 INFO L290 TraceCheckUtils]: 24: Hoare triple {1778#(<= 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] {1782#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:11:09,734 INFO L290 TraceCheckUtils]: 25: Hoare triple {1782#(<= 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[] {1698#false} is VALID [2022-04-08 02:11:09,734 INFO L290 TraceCheckUtils]: 26: Hoare triple {1698#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-08 02:11:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:11:09,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:12:27,314 INFO L290 TraceCheckUtils]: 26: Hoare triple {1698#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-08 02:12:27,315 INFO L290 TraceCheckUtils]: 25: Hoare triple {1782#(<= 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[] {1698#false} is VALID [2022-04-08 02:12:27,315 INFO L290 TraceCheckUtils]: 24: Hoare triple {1778#(<= 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] {1782#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:12:27,316 INFO L272 TraceCheckUtils]: 23: Hoare triple {1798#(= (+ 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] {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:12:27,317 INFO L290 TraceCheckUtils]: 22: Hoare triple {1798#(= (+ 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| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-08 02:12:27,317 INFO L290 TraceCheckUtils]: 21: Hoare triple {1798#(= (+ 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] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-08 02:12:27,321 INFO L290 TraceCheckUtils]: 20: Hoare triple {1808#(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] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-08 02:12:27,321 INFO L290 TraceCheckUtils]: 19: Hoare triple {1808#(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[] {1808#(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 [2022-04-08 02:12:27,329 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} {1815#(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] {1808#(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 [2022-04-08 02:12:27,329 INFO L290 TraceCheckUtils]: 17: Hoare triple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:12:27,333 INFO L290 TraceCheckUtils]: 16: Hoare triple {1825#(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[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 02:12:27,333 INFO L290 TraceCheckUtils]: 15: Hoare triple {1697#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] {1825#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 02:12:27,333 INFO L272 TraceCheckUtils]: 14: Hoare triple {1815#(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] {1697#true} is VALID [2022-04-08 02:12:27,334 INFO L290 TraceCheckUtils]: 13: Hoare triple {1815#(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| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1815#(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 [2022-04-08 02:12:27,334 INFO L290 TraceCheckUtils]: 12: Hoare triple {1815#(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] {1815#(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 [2022-04-08 02:12:27,335 INFO L290 TraceCheckUtils]: 11: Hoare triple {1838#(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] {1815#(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 [2022-04-08 02:12:27,336 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} {1697#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] {1838#(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 [2022-04-08 02:12:27,336 INFO L290 TraceCheckUtils]: 9: Hoare triple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:27,336 INFO L290 TraceCheckUtils]: 8: Hoare triple {1851#(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[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:27,337 INFO L290 TraceCheckUtils]: 7: Hoare triple {1697#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] {1851#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-08 02:12:27,337 INFO L272 TraceCheckUtils]: 6: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L272 TraceCheckUtils]: 4: Hoare triple {1697#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1697#true} {1697#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L290 TraceCheckUtils]: 2: Hoare triple {1697#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {1697#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] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L272 TraceCheckUtils]: 0: Hoare triple {1697#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-08 02:12:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:12:27,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:12:27,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459497099] [2022-04-08 02:12:27,338 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:12:27,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590890687] [2022-04-08 02:12:27,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590890687] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:12:27,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:12:27,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2022-04-08 02:12:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229359830] [2022-04-08 02:12:27,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:12:27,340 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 [2022-04-08 02:12:27,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:12:27,341 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) [2022-04-08 02:12:27,390 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:27,391 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-08 02:12:27,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:12:27,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-08 02:12:27,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-08 02:12:27,391 INFO L87 Difference]: Start difference. First operand 87 states and 107 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) [2022-04-08 02:12:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:30,679 INFO L93 Difference]: Finished difference Result 127 states and 164 transitions. [2022-04-08 02:12:30,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-08 02:12:30,680 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 [2022-04-08 02:12:30,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:12:30,680 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) [2022-04-08 02:12:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-08 02:12:30,682 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) [2022-04-08 02:12:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-08 02:12:30,685 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 83 transitions. [2022-04-08 02:12:30,850 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:30,852 INFO L225 Difference]: With dead ends: 127 [2022-04-08 02:12:30,852 INFO L226 Difference]: Without dead ends: 121 [2022-04-08 02:12:30,853 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 [2022-04-08 02:12:30,853 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 99 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-08 02:12:30,853 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 144 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-08 02:12:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-08 02:12:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 79. [2022-04-08 02:12:30,900 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:12:30,900 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 02:12:30,900 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 02:12:30,900 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 02:12:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:30,903 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-08 02:12:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-08 02:12:30,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:30,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:30,904 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-08 02:12:30,904 INFO L87 Difference]: Start difference. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-08 02:12:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:30,906 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-08 02:12:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-08 02:12:30,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:30,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:30,907 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:12:30,907 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:12:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-08 02:12:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 96 transitions. [2022-04-08 02:12:30,910 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 96 transitions. Word has length 27 [2022-04-08 02:12:30,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:12:30,910 INFO L478 AbstractCegarLoop]: Abstraction has 79 states and 96 transitions. [2022-04-08 02:12:30,910 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) [2022-04-08 02:12:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2022-04-08 02:12:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-08 02:12:30,910 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:12:30,910 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] [2022-04-08 02:12:30,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 02:12:31,115 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:31,115 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:12:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:12:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -410392694, now seen corresponding path program 1 times [2022-04-08 02:12:31,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:12:31,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949988275] [2022-04-08 02:12:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:31,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:12:31,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:12:31,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383600810] [2022-04-08 02:12:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:31,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:31,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:12:31,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:12:31,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 02:12:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:31,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-08 02:12:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:31,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:12:31,282 INFO L272 TraceCheckUtils]: 0: Hoare triple {2407#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,283 INFO L290 TraceCheckUtils]: 1: Hoare triple {2407#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] {2407#true} is VALID [2022-04-08 02:12:31,287 INFO L290 TraceCheckUtils]: 2: Hoare triple {2407#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,287 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2407#true} {2407#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,287 INFO L272 TraceCheckUtils]: 4: Hoare triple {2407#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,287 INFO L290 TraceCheckUtils]: 5: Hoare triple {2407#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] {2407#true} is VALID [2022-04-08 02:12:31,287 INFO L272 TraceCheckUtils]: 6: Hoare triple {2407#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] {2407#true} is VALID [2022-04-08 02:12:31,288 INFO L290 TraceCheckUtils]: 7: Hoare triple {2407#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] {2433#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 02:12:31,288 INFO L290 TraceCheckUtils]: 8: Hoare triple {2433#(= 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[] {2437#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:31,288 INFO L290 TraceCheckUtils]: 9: Hoare triple {2437#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2437#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:31,289 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2437#(not (= |assume_abort_if_not_#in~cond| 0))} {2407#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] {2444#(<= 1 main_~y~0)} is VALID [2022-04-08 02:12:31,289 INFO L290 TraceCheckUtils]: 11: Hoare triple {2444#(<= 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] {2448#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:31,290 INFO L290 TraceCheckUtils]: 12: Hoare triple {2448#(<= 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] {2448#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:31,290 INFO L290 TraceCheckUtils]: 13: Hoare triple {2448#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2448#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:31,290 INFO L272 TraceCheckUtils]: 14: Hoare triple {2448#(<= 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] {2407#true} is VALID [2022-04-08 02:12:31,290 INFO L290 TraceCheckUtils]: 15: Hoare triple {2407#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] {2407#true} is VALID [2022-04-08 02:12:31,290 INFO L290 TraceCheckUtils]: 16: Hoare triple {2407#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[] {2407#true} is VALID [2022-04-08 02:12:31,290 INFO L290 TraceCheckUtils]: 17: Hoare triple {2407#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,291 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2407#true} {2448#(<= 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] {2448#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:31,291 INFO L290 TraceCheckUtils]: 19: Hoare triple {2448#(<= 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[] {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-08 02:12:31,292 INFO L272 TraceCheckUtils]: 20: Hoare triple {2473#(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] {2407#true} is VALID [2022-04-08 02:12:31,292 INFO L290 TraceCheckUtils]: 21: Hoare triple {2407#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] {2407#true} is VALID [2022-04-08 02:12:31,292 INFO L290 TraceCheckUtils]: 22: Hoare triple {2407#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[] {2407#true} is VALID [2022-04-08 02:12:31,292 INFO L290 TraceCheckUtils]: 23: Hoare triple {2407#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-08 02:12:31,292 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {2407#true} {2473#(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] {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-08 02:12:31,293 INFO L272 TraceCheckUtils]: 25: Hoare triple {2473#(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] {2492#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:12:31,293 INFO L290 TraceCheckUtils]: 26: Hoare triple {2492#(<= 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] {2496#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:12:31,293 INFO L290 TraceCheckUtils]: 27: Hoare triple {2496#(<= 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[] {2408#false} is VALID [2022-04-08 02:12:31,294 INFO L290 TraceCheckUtils]: 28: Hoare triple {2408#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2408#false} is VALID [2022-04-08 02:12:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 02:12:31,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:12:31,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:12:31,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949988275] [2022-04-08 02:12:31,294 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:12:31,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383600810] [2022-04-08 02:12:31,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383600810] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:12:31,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:12:31,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-08 02:12:31,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294038383] [2022-04-08 02:12:31,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:12:31,295 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 [2022-04-08 02:12:31,295 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:12:31,295 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) [2022-04-08 02:12:31,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:31,311 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-08 02:12:31,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:12:31,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-08 02:12:31,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-04-08 02:12:31,312 INFO L87 Difference]: Start difference. First operand 79 states and 96 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) [2022-04-08 02:12:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:31,657 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2022-04-08 02:12:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 02:12:31,657 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 [2022-04-08 02:12:31,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:12:31,657 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) [2022-04-08 02:12:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-08 02:12:31,658 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) [2022-04-08 02:12:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-08 02:12:31,659 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 57 transitions. [2022-04-08 02:12:31,701 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:31,703 INFO L225 Difference]: With dead ends: 116 [2022-04-08 02:12:31,703 INFO L226 Difference]: Without dead ends: 104 [2022-04-08 02:12:31,703 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 [2022-04-08 02:12:31,704 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 [2022-04-08 02:12:31,704 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] [2022-04-08 02:12:31,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-04-08 02:12:31,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2022-04-08 02:12:31,770 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:12:31,770 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 02:12:31,770 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 02:12:31,771 INFO L87 Difference]: Start difference. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 02:12:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:31,773 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-08 02:12:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-08 02:12:31,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:31,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:31,773 INFO L74 IsIncluded]: Start isIncluded. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-08 02:12:31,774 INFO L87 Difference]: Start difference. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-08 02:12:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:31,776 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-08 02:12:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-08 02:12:31,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:31,776 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:31,776 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:12:31,776 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:12:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-08 02:12:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2022-04-08 02:12:31,778 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 29 [2022-04-08 02:12:31,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:12:31,778 INFO L478 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2022-04-08 02:12:31,779 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) [2022-04-08 02:12:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2022-04-08 02:12:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-08 02:12:31,779 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:12:31,779 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:12:31,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-08 02:12:31,995 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:31,995 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:12:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:12:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 159893073, now seen corresponding path program 1 times [2022-04-08 02:12:31,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:12:31,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597043177] [2022-04-08 02:12:31,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:31,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:12:32,005 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:12:32,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677088654] [2022-04-08 02:12:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:12:32,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:12:32,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 02:12:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:32,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 02:12:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:32,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:12:32,158 INFO L272 TraceCheckUtils]: 0: Hoare triple {3011#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,158 INFO L290 TraceCheckUtils]: 1: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 2: Hoare triple {3011#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3011#true} {3011#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L272 TraceCheckUtils]: 4: Hoare triple {3011#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 5: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L272 TraceCheckUtils]: 6: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 7: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 8: Hoare triple {3011#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[] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 9: Hoare triple {3011#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3011#true} {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 11: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 12: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,159 INFO L290 TraceCheckUtils]: 13: Hoare triple {3011#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L272 TraceCheckUtils]: 14: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L290 TraceCheckUtils]: 15: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L290 TraceCheckUtils]: 16: Hoare triple {3011#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[] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3011#true} {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,160 INFO L290 TraceCheckUtils]: 19: Hoare triple {3011#true} [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[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,161 INFO L290 TraceCheckUtils]: 20: Hoare triple {3073#(not (= main_~a~0 0))} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,161 INFO L290 TraceCheckUtils]: 21: Hoare triple {3073#(not (= main_~a~0 0))} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,161 INFO L290 TraceCheckUtils]: 22: Hoare triple {3073#(not (= main_~a~0 0))} [113] L46-->L46-2: Formula: (and (= v_main_~q~0_3 (+ (* v_main_~a~0_5 v_main_~p~0_2) v_main_~q~0_4)) (= (+ (- 1) v_main_~b~0_5) v_main_~b~0_4) (= (let ((.cse0 (mod v_main_~a~0_5 2))) (ite (and (not (= .cse0 0)) (< v_main_~a~0_5 0)) (+ .cse0 (- 2)) .cse0)) 0) (= (let ((.cse1 (mod v_main_~b~0_5 2))) (ite (and (< v_main_~b~0_5 0) (not (= 0 .cse1))) (+ (- 2) .cse1) .cse1)) 1)) InVars {main_~q~0=v_main_~q~0_4, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} OutVars{main_~q~0=v_main_~q~0_3, main_~b~0=v_main_~b~0_4, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_~q~0, main_~b~0] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,162 INFO L290 TraceCheckUtils]: 23: Hoare triple {3073#(not (= main_~a~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] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,162 INFO L290 TraceCheckUtils]: 24: Hoare triple {3073#(not (= main_~a~0 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,162 INFO L272 TraceCheckUtils]: 25: Hoare triple {3073#(not (= main_~a~0 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] {3011#true} is VALID [2022-04-08 02:12:32,162 INFO L290 TraceCheckUtils]: 26: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,162 INFO L290 TraceCheckUtils]: 27: Hoare triple {3011#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[] {3011#true} is VALID [2022-04-08 02:12:32,162 INFO L290 TraceCheckUtils]: 28: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,163 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3011#true} {3073#(not (= main_~a~0 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] {3073#(not (= main_~a~0 0))} is VALID [2022-04-08 02:12:32,163 INFO L290 TraceCheckUtils]: 30: Hoare triple {3073#(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[] {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-08 02:12:32,163 INFO L272 TraceCheckUtils]: 31: Hoare triple {3107#(and (= main_~b~0 0) (not (= main_~a~0 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] {3011#true} is VALID [2022-04-08 02:12:32,163 INFO L290 TraceCheckUtils]: 32: Hoare triple {3011#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] {3011#true} is VALID [2022-04-08 02:12:32,163 INFO L290 TraceCheckUtils]: 33: Hoare triple {3011#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[] {3011#true} is VALID [2022-04-08 02:12:32,164 INFO L290 TraceCheckUtils]: 34: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-08 02:12:32,164 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3011#true} {3107#(and (= main_~b~0 0) (not (= main_~a~0 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] {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-08 02:12:32,165 INFO L272 TraceCheckUtils]: 36: Hoare triple {3107#(and (= main_~b~0 0) (not (= main_~a~0 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] {3126#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:12:32,165 INFO L290 TraceCheckUtils]: 37: Hoare triple {3126#(<= 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] {3130#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:12:32,165 INFO L290 TraceCheckUtils]: 38: Hoare triple {3130#(<= 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[] {3012#false} is VALID [2022-04-08 02:12:32,165 INFO L290 TraceCheckUtils]: 39: Hoare triple {3012#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3012#false} is VALID [2022-04-08 02:12:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-08 02:12:32,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 02:12:32,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:12:32,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597043177] [2022-04-08 02:12:32,166 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:12:32,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677088654] [2022-04-08 02:12:32,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677088654] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 02:12:32,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 02:12:32,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 02:12:32,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568292814] [2022-04-08 02:12:32,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:12:32,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-08 02:12:32,166 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:12:32,167 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-08 02:12:32,189 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:32,189 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 02:12:32,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:12:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 02:12:32,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-08 02:12:32,189 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-08 02:12:32,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:32,426 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2022-04-08 02:12:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 02:12:32,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-08 02:12:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:12:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-08 02:12:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-04-08 02:12:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-08 02:12:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-04-08 02:12:32,430 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2022-04-08 02:12:32,462 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:32,464 INFO L225 Difference]: With dead ends: 141 [2022-04-08 02:12:32,464 INFO L226 Difference]: Without dead ends: 129 [2022-04-08 02:12:32,464 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-04-08 02:12:32,465 INFO L913 BasicCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:12:32,465 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 116 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:12:32,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-04-08 02:12:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 113. [2022-04-08 02:12:32,550 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:12:32,550 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-08 02:12:32,550 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-08 02:12:32,550 INFO L87 Difference]: Start difference. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-08 02:12:32,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:32,553 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-08 02:12:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-08 02:12:32,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:32,554 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:32,554 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-08 02:12:32,554 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-08 02:12:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:32,557 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-08 02:12:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-08 02:12:32,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:32,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:32,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:12:32,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:12:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-08 02:12:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 143 transitions. [2022-04-08 02:12:32,560 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 143 transitions. Word has length 40 [2022-04-08 02:12:32,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:12:32,560 INFO L478 AbstractCegarLoop]: Abstraction has 113 states and 143 transitions. [2022-04-08 02:12:32,560 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-08 02:12:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2022-04-08 02:12:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-08 02:12:32,561 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:12:32,561 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:12:32,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 02:12:32,776 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:32,777 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:12:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:12:32,777 INFO L85 PathProgramCache]: Analyzing trace with hash -837179280, now seen corresponding path program 1 times [2022-04-08 02:12:32,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:12:32,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867317454] [2022-04-08 02:12:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:32,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:12:32,790 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:12:32,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512193179] [2022-04-08 02:12:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:32,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:32,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:12:32,799 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:12:32,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-08 02:12:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:32,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-08 02:12:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:12:33,105 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-08 02:12:33,138 INFO L272 TraceCheckUtils]: 0: Hoare triple {3749#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L290 TraceCheckUtils]: 1: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L290 TraceCheckUtils]: 2: Hoare triple {3749#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3749#true} {3749#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L272 TraceCheckUtils]: 4: Hoare triple {3749#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L290 TraceCheckUtils]: 5: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L272 TraceCheckUtils]: 6: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,139 INFO L290 TraceCheckUtils]: 7: Hoare triple {3749#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] {3775#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 02:12:33,140 INFO L290 TraceCheckUtils]: 8: Hoare triple {3775#(= 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[] {3779#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:33,140 INFO L290 TraceCheckUtils]: 9: Hoare triple {3779#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3779#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 02:12:33,140 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3779#(not (= |assume_abort_if_not_#in~cond| 0))} {3749#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] {3786#(<= 1 main_~y~0)} is VALID [2022-04-08 02:12:33,141 INFO L290 TraceCheckUtils]: 11: Hoare triple {3786#(<= 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] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,141 INFO L290 TraceCheckUtils]: 12: Hoare triple {3790#(<= 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] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,142 INFO L290 TraceCheckUtils]: 13: Hoare triple {3790#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,142 INFO L272 TraceCheckUtils]: 14: Hoare triple {3790#(<= 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] {3749#true} is VALID [2022-04-08 02:12:33,142 INFO L290 TraceCheckUtils]: 15: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,142 INFO L290 TraceCheckUtils]: 16: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,142 INFO L290 TraceCheckUtils]: 17: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,143 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3749#true} {3790#(<= 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] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,143 INFO L290 TraceCheckUtils]: 19: Hoare triple {3790#(<= 1 main_~b~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[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,144 INFO L290 TraceCheckUtils]: 20: Hoare triple {3790#(<= 1 main_~b~0)} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,144 INFO L290 TraceCheckUtils]: 21: Hoare triple {3790#(<= 1 main_~b~0)} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-08 02:12:33,145 INFO L290 TraceCheckUtils]: 22: Hoare triple {3790#(<= 1 main_~b~0)} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3824#(<= 0 main_~b~0)} is VALID [2022-04-08 02:12:33,145 INFO L290 TraceCheckUtils]: 23: Hoare triple {3824#(<= 0 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] {3824#(<= 0 main_~b~0)} is VALID [2022-04-08 02:12:33,146 INFO L290 TraceCheckUtils]: 24: Hoare triple {3824#(<= 0 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3824#(<= 0 main_~b~0)} is VALID [2022-04-08 02:12:33,146 INFO L272 TraceCheckUtils]: 25: Hoare triple {3824#(<= 0 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] {3749#true} is VALID [2022-04-08 02:12:33,146 INFO L290 TraceCheckUtils]: 26: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,146 INFO L290 TraceCheckUtils]: 27: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,146 INFO L290 TraceCheckUtils]: 28: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,147 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3749#true} {3824#(<= 0 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] {3824#(<= 0 main_~b~0)} is VALID [2022-04-08 02:12:33,147 INFO L290 TraceCheckUtils]: 30: Hoare triple {3824#(<= 0 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[] {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-08 02:12:33,147 INFO L272 TraceCheckUtils]: 31: Hoare triple {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 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] {3749#true} is VALID [2022-04-08 02:12:33,147 INFO L290 TraceCheckUtils]: 32: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,147 INFO L290 TraceCheckUtils]: 33: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,147 INFO L290 TraceCheckUtils]: 34: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,148 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3749#true} {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 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] {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-08 02:12:33,149 INFO L272 TraceCheckUtils]: 36: Hoare triple {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 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] {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:12:33,150 INFO L290 TraceCheckUtils]: 37: Hoare triple {3868#(<= 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] {3872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:12:33,150 INFO L290 TraceCheckUtils]: 38: Hoare triple {3872#(<= 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[] {3750#false} is VALID [2022-04-08 02:12:33,151 INFO L290 TraceCheckUtils]: 39: Hoare triple {3750#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-08 02:12:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-08 02:12:33,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:12:33,351 INFO L290 TraceCheckUtils]: 39: Hoare triple {3750#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-08 02:12:33,351 INFO L290 TraceCheckUtils]: 38: Hoare triple {3872#(<= 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[] {3750#false} is VALID [2022-04-08 02:12:33,352 INFO L290 TraceCheckUtils]: 37: Hoare triple {3868#(<= 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] {3872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 02:12:33,352 INFO L272 TraceCheckUtils]: 36: Hoare triple {3888#(= (* main_~b~0 main_~a~0) 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] {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 02:12:33,353 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3749#true} {3888#(= (* main_~b~0 main_~a~0) 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] {3888#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-08 02:12:33,353 INFO L290 TraceCheckUtils]: 34: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,353 INFO L290 TraceCheckUtils]: 33: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,353 INFO L290 TraceCheckUtils]: 32: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,353 INFO L272 TraceCheckUtils]: 31: Hoare triple {3888#(= (* main_~b~0 main_~a~0) 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] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 30: Hoare triple {3749#true} [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[] {3888#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-08 02:12:33,355 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3749#true} {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 28: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 27: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 26: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L272 TraceCheckUtils]: 25: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 24: Hoare triple {3749#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 23: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 22: Hoare triple {3749#true} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {3749#true} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {3749#true} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {3749#true} [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[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3749#true} {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 17: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 16: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 15: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L272 TraceCheckUtils]: 14: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 13: Hoare triple {3749#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 12: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 11: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3749#true} {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {3749#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 8: Hoare triple {3749#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[] {3749#true} is VALID [2022-04-08 02:12:33,356 INFO L290 TraceCheckUtils]: 7: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L272 TraceCheckUtils]: 6: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L290 TraceCheckUtils]: 5: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L272 TraceCheckUtils]: 4: Hoare triple {3749#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3749#true} {3749#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {3749#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L290 TraceCheckUtils]: 1: Hoare triple {3749#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] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L272 TraceCheckUtils]: 0: Hoare triple {3749#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-08 02:12:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-08 02:12:33,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:12:33,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867317454] [2022-04-08 02:12:33,357 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:12:33,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512193179] [2022-04-08 02:12:33,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512193179] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 02:12:33,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 02:12:33,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2022-04-08 02:12:33,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881471524] [2022-04-08 02:12:33,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 02:12:33,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-04-08 02:12:33,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:12:33,359 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 02:12:33,379 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:33,379 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 02:12:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:12:33,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 02:12:33,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-04-08 02:12:33,381 INFO L87 Difference]: Start difference. First operand 113 states and 143 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 02:12:33,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:33,789 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2022-04-08 02:12:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 02:12:33,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-04-08 02:12:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:12:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 02:12:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-08 02:12:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 02:12:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-08 02:12:33,791 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2022-04-08 02:12:33,820 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:33,821 INFO L225 Difference]: With dead ends: 120 [2022-04-08 02:12:33,821 INFO L226 Difference]: Without dead ends: 100 [2022-04-08 02:12:33,821 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-04-08 02:12:33,822 INFO L913 BasicCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 02:12:33,822 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 122 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 02:12:33,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-04-08 02:12:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 66. [2022-04-08 02:12:33,858 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:12:33,858 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 02:12:33,859 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 02:12:33,859 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 02:12:33,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:33,877 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-08 02:12:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-08 02:12:33,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:33,877 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:33,877 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-08 02:12:33,878 INFO L87 Difference]: Start difference. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-08 02:12:33,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:33,879 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-08 02:12:33,879 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-08 02:12:33,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:33,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:33,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:12:33,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:12:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-08 02:12:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-04-08 02:12:33,881 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 40 [2022-04-08 02:12:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:12:33,881 INFO L478 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-04-08 02:12:33,881 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 02:12:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-04-08 02:12:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-08 02:12:33,883 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:12:33,883 INFO L499 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:12:33,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-08 02:12:34,099 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-08 02:12:34,099 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:12:34,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:12:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1169624165, now seen corresponding path program 2 times [2022-04-08 02:12:34,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:12:34,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864201325] [2022-04-08 02:12:34,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:12:34,114 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:12:34,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240660966] [2022-04-08 02:12:34,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 02:12:34,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:34,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:12:34,121 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:12:34,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-08 02:12:34,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 02:12:34,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 02:12:34,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-08 02:12:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 02:12:34,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 02:12:34,410 INFO L272 TraceCheckUtils]: 0: Hoare triple {4453#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {4453#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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,412 INFO L290 TraceCheckUtils]: 2: Hoare triple {4461#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,412 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4461#(<= ~counter~0 0)} {4453#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,412 INFO L272 TraceCheckUtils]: 4: Hoare triple {4461#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,413 INFO L290 TraceCheckUtils]: 5: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,413 INFO L272 TraceCheckUtils]: 6: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,413 INFO L290 TraceCheckUtils]: 7: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,414 INFO L290 TraceCheckUtils]: 8: Hoare triple {4461#(<= ~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[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {4461#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,415 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4461#(<= ~counter~0 0)} {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,419 INFO L290 TraceCheckUtils]: 12: Hoare triple {4461#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,420 INFO L290 TraceCheckUtils]: 13: Hoare triple {4495#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,421 INFO L272 TraceCheckUtils]: 14: Hoare triple {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,421 INFO L290 TraceCheckUtils]: 15: Hoare triple {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,422 INFO L290 TraceCheckUtils]: 16: Hoare triple {4495#(<= ~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[] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,422 INFO L290 TraceCheckUtils]: 17: Hoare triple {4495#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,427 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4495#(<= ~counter~0 1)} {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,428 INFO L290 TraceCheckUtils]: 19: Hoare triple {4495#(<= ~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[] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,429 INFO L290 TraceCheckUtils]: 20: Hoare triple {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,429 INFO L290 TraceCheckUtils]: 21: Hoare triple {4495#(<= ~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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,430 INFO L290 TraceCheckUtils]: 22: Hoare triple {4523#(<= ~counter~0 2)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,431 INFO L272 TraceCheckUtils]: 23: Hoare triple {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,431 INFO L290 TraceCheckUtils]: 24: Hoare triple {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,431 INFO L290 TraceCheckUtils]: 25: Hoare triple {4523#(<= ~counter~0 2)} [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[] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,432 INFO L290 TraceCheckUtils]: 26: Hoare triple {4523#(<= ~counter~0 2)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,432 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {4523#(<= ~counter~0 2)} {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,433 INFO L290 TraceCheckUtils]: 28: Hoare triple {4523#(<= ~counter~0 2)} [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[] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,433 INFO L290 TraceCheckUtils]: 29: Hoare triple {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,433 INFO L290 TraceCheckUtils]: 30: Hoare triple {4523#(<= ~counter~0 2)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,434 INFO L290 TraceCheckUtils]: 31: Hoare triple {4551#(<= ~counter~0 3)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,434 INFO L272 TraceCheckUtils]: 32: Hoare triple {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,435 INFO L290 TraceCheckUtils]: 33: Hoare triple {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,438 INFO L290 TraceCheckUtils]: 34: Hoare triple {4551#(<= ~counter~0 3)} [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[] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,439 INFO L290 TraceCheckUtils]: 35: Hoare triple {4551#(<= ~counter~0 3)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,439 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4551#(<= ~counter~0 3)} {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,440 INFO L290 TraceCheckUtils]: 37: Hoare triple {4551#(<= ~counter~0 3)} [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[] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,440 INFO L290 TraceCheckUtils]: 38: Hoare triple {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,440 INFO L290 TraceCheckUtils]: 39: Hoare triple {4551#(<= ~counter~0 3)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,441 INFO L290 TraceCheckUtils]: 40: Hoare triple {4579#(<= ~counter~0 4)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,441 INFO L272 TraceCheckUtils]: 41: Hoare triple {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,442 INFO L290 TraceCheckUtils]: 42: Hoare triple {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,442 INFO L290 TraceCheckUtils]: 43: Hoare triple {4579#(<= ~counter~0 4)} [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[] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,442 INFO L290 TraceCheckUtils]: 44: Hoare triple {4579#(<= ~counter~0 4)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,443 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4579#(<= ~counter~0 4)} {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,443 INFO L290 TraceCheckUtils]: 46: Hoare triple {4579#(<= ~counter~0 4)} [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[] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,443 INFO L290 TraceCheckUtils]: 47: Hoare triple {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,444 INFO L290 TraceCheckUtils]: 48: Hoare triple {4579#(<= ~counter~0 4)} [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] {4607#(<= |main_#t~post6| 4)} is VALID [2022-04-08 02:12:34,444 INFO L290 TraceCheckUtils]: 49: Hoare triple {4607#(<= |main_#t~post6| 4)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4454#false} is VALID [2022-04-08 02:12:34,444 INFO L272 TraceCheckUtils]: 50: Hoare triple {4454#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] {4454#false} is VALID [2022-04-08 02:12:34,444 INFO L290 TraceCheckUtils]: 51: Hoare triple {4454#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] {4454#false} is VALID [2022-04-08 02:12:34,444 INFO L290 TraceCheckUtils]: 52: Hoare triple {4454#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[] {4454#false} is VALID [2022-04-08 02:12:34,445 INFO L290 TraceCheckUtils]: 53: Hoare triple {4454#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-08 02:12:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 02:12:34,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 02:12:34,662 INFO L290 TraceCheckUtils]: 53: Hoare triple {4454#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-08 02:12:34,662 INFO L290 TraceCheckUtils]: 52: Hoare triple {4454#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[] {4454#false} is VALID [2022-04-08 02:12:34,662 INFO L290 TraceCheckUtils]: 51: Hoare triple {4454#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] {4454#false} is VALID [2022-04-08 02:12:34,662 INFO L272 TraceCheckUtils]: 50: Hoare triple {4454#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] {4454#false} is VALID [2022-04-08 02:12:34,663 INFO L290 TraceCheckUtils]: 49: Hoare triple {4607#(<= |main_#t~post6| 4)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 5)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4454#false} is VALID [2022-04-08 02:12:34,663 INFO L290 TraceCheckUtils]: 48: Hoare triple {4579#(<= ~counter~0 4)} [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] {4607#(<= |main_#t~post6| 4)} is VALID [2022-04-08 02:12:34,664 INFO L290 TraceCheckUtils]: 47: Hoare triple {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,664 INFO L290 TraceCheckUtils]: 46: Hoare triple {4579#(<= ~counter~0 4)} [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[] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,665 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4453#true} {4579#(<= ~counter~0 4)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,665 INFO L290 TraceCheckUtils]: 44: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,665 INFO L290 TraceCheckUtils]: 43: Hoare triple {4453#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[] {4453#true} is VALID [2022-04-08 02:12:34,665 INFO L290 TraceCheckUtils]: 42: Hoare triple {4453#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] {4453#true} is VALID [2022-04-08 02:12:34,665 INFO L272 TraceCheckUtils]: 41: Hoare triple {4579#(<= ~counter~0 4)} [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] {4453#true} is VALID [2022-04-08 02:12:34,665 INFO L290 TraceCheckUtils]: 40: Hoare triple {4579#(<= ~counter~0 4)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,666 INFO L290 TraceCheckUtils]: 39: Hoare triple {4551#(<= ~counter~0 3)} [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] {4579#(<= ~counter~0 4)} is VALID [2022-04-08 02:12:34,666 INFO L290 TraceCheckUtils]: 38: Hoare triple {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,666 INFO L290 TraceCheckUtils]: 37: Hoare triple {4551#(<= ~counter~0 3)} [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[] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,667 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4453#true} {4551#(<= ~counter~0 3)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,667 INFO L290 TraceCheckUtils]: 35: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,667 INFO L290 TraceCheckUtils]: 34: Hoare triple {4453#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[] {4453#true} is VALID [2022-04-08 02:12:34,667 INFO L290 TraceCheckUtils]: 33: Hoare triple {4453#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] {4453#true} is VALID [2022-04-08 02:12:34,667 INFO L272 TraceCheckUtils]: 32: Hoare triple {4551#(<= ~counter~0 3)} [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] {4453#true} is VALID [2022-04-08 02:12:34,667 INFO L290 TraceCheckUtils]: 31: Hoare triple {4551#(<= ~counter~0 3)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,668 INFO L290 TraceCheckUtils]: 30: Hoare triple {4523#(<= ~counter~0 2)} [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] {4551#(<= ~counter~0 3)} is VALID [2022-04-08 02:12:34,668 INFO L290 TraceCheckUtils]: 29: Hoare triple {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,668 INFO L290 TraceCheckUtils]: 28: Hoare triple {4523#(<= ~counter~0 2)} [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[] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,669 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {4453#true} {4523#(<= ~counter~0 2)} [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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,669 INFO L290 TraceCheckUtils]: 26: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,669 INFO L290 TraceCheckUtils]: 25: Hoare triple {4453#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[] {4453#true} is VALID [2022-04-08 02:12:34,669 INFO L290 TraceCheckUtils]: 24: Hoare triple {4453#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] {4453#true} is VALID [2022-04-08 02:12:34,669 INFO L272 TraceCheckUtils]: 23: Hoare triple {4523#(<= ~counter~0 2)} [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] {4453#true} is VALID [2022-04-08 02:12:34,670 INFO L290 TraceCheckUtils]: 22: Hoare triple {4523#(<= ~counter~0 2)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,670 INFO L290 TraceCheckUtils]: 21: Hoare triple {4495#(<= ~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] {4523#(<= ~counter~0 2)} is VALID [2022-04-08 02:12:34,670 INFO L290 TraceCheckUtils]: 20: Hoare triple {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,671 INFO L290 TraceCheckUtils]: 19: Hoare triple {4495#(<= ~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[] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,671 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4453#true} {4495#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,671 INFO L290 TraceCheckUtils]: 17: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,671 INFO L290 TraceCheckUtils]: 16: Hoare triple {4453#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[] {4453#true} is VALID [2022-04-08 02:12:34,671 INFO L290 TraceCheckUtils]: 15: Hoare triple {4453#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] {4453#true} is VALID [2022-04-08 02:12:34,671 INFO L272 TraceCheckUtils]: 14: Hoare triple {4495#(<= ~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] {4453#true} is VALID [2022-04-08 02:12:34,672 INFO L290 TraceCheckUtils]: 13: Hoare triple {4495#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 5) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,672 INFO L290 TraceCheckUtils]: 12: Hoare triple {4461#(<= ~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] {4495#(<= ~counter~0 1)} is VALID [2022-04-08 02:12:34,672 INFO L290 TraceCheckUtils]: 11: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,673 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4453#true} {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,673 INFO L290 TraceCheckUtils]: 9: Hoare triple {4453#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,673 INFO L290 TraceCheckUtils]: 8: Hoare triple {4453#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[] {4453#true} is VALID [2022-04-08 02:12:34,673 INFO L290 TraceCheckUtils]: 7: Hoare triple {4453#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] {4453#true} is VALID [2022-04-08 02:12:34,673 INFO L272 TraceCheckUtils]: 6: Hoare triple {4461#(<= ~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] {4453#true} is VALID [2022-04-08 02:12:34,673 INFO L290 TraceCheckUtils]: 5: Hoare triple {4461#(<= ~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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,674 INFO L272 TraceCheckUtils]: 4: Hoare triple {4461#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,674 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4461#(<= ~counter~0 0)} {4453#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {4461#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,675 INFO L290 TraceCheckUtils]: 1: Hoare triple {4453#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] {4461#(<= ~counter~0 0)} is VALID [2022-04-08 02:12:34,675 INFO L272 TraceCheckUtils]: 0: Hoare triple {4453#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-08 02:12:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-08 02:12:34,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 02:12:34,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864201325] [2022-04-08 02:12:34,676 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 02:12:34,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240660966] [2022-04-08 02:12:34,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240660966] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 02:12:34,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 02:12:34,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-08 02:12:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753466223] [2022-04-08 02:12:34,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 02:12:34,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 54 [2022-04-08 02:12:34,678 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 02:12:34,678 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2022-04-08 02:12:34,731 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:34,731 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 02:12:34,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 02:12:34,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 02:12:34,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-08 02:12:34,731 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2022-04-08 02:12:34,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:34,947 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2022-04-08 02:12:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 02:12:34,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 54 [2022-04-08 02:12:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 02:12:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2022-04-08 02:12:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 99 transitions. [2022-04-08 02:12:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2022-04-08 02:12:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 99 transitions. [2022-04-08 02:12:34,954 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 99 transitions. [2022-04-08 02:12:35,026 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 02:12:35,027 INFO L225 Difference]: With dead ends: 85 [2022-04-08 02:12:35,027 INFO L226 Difference]: Without dead ends: 77 [2022-04-08 02:12:35,027 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-08 02:12:35,027 INFO L913 BasicCegarLoop]: 34 mSDtfsCounter, 37 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 02:12:35,028 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 150 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 02:12:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-04-08 02:12:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-04-08 02:12:35,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 02:12:35,074 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:12:35,074 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:12:35,074 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:12:35,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:35,075 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2022-04-08 02:12:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2022-04-08 02:12:35,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:35,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:35,076 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 77 states. [2022-04-08 02:12:35,076 INFO L87 Difference]: Start difference. First operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 77 states. [2022-04-08 02:12:35,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 02:12:35,077 INFO L93 Difference]: Finished difference Result 77 states and 93 transitions. [2022-04-08 02:12:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2022-04-08 02:12:35,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 02:12:35,077 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 02:12:35,077 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 02:12:35,077 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 02:12:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 59 states have internal predecessors, (75), 10 states have call successors, (10), 9 states have call predecessors, (10), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-08 02:12:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 93 transitions. [2022-04-08 02:12:35,078 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 93 transitions. Word has length 54 [2022-04-08 02:12:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 02:12:35,079 INFO L478 AbstractCegarLoop]: Abstraction has 77 states and 93 transitions. [2022-04-08 02:12:35,079 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 7 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2022-04-08 02:12:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2022-04-08 02:12:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-08 02:12:35,080 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 02:12:35,080 INFO L499 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:12:35,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-08 02:12:35,293 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-08 02:12:35,293 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 02:12:35,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 02:12:35,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1678730126, now seen corresponding path program 3 times [2022-04-08 02:12:35,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 02:12:35,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817010603] [2022-04-08 02:12:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 02:12:35,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 02:12:35,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 02:12:35,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101972381] [2022-04-08 02:12:35,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-08 02:12:35,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 02:12:35,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 02:12:35,307 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 02:12:35,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-08 02:12:35,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-08 02:12:35,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-08 02:12:35,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-08 02:12:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-08 02:12:35,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-08 02:12:35,476 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-08 02:12:35,476 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 02:12:35,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-08 02:12:35,687 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-08 02:12:35,689 INFO L719 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 02:12:35,691 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 02:12:35,729 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L26-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-04-08 02:12:35,730 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 02:12:35,730 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. [2022-04-08 02:12:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 02:12:35 BasicIcfg [2022-04-08 02:12:35,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 02:12:35,732 INFO L158 Benchmark]: Toolchain (without parser) took 123209.60ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 143.0MB in the beginning and 153.6MB in the end (delta: -10.6MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,732 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory was 158.9MB in the beginning and 158.9MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 02:12:35,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.58ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 142.8MB in the beginning and 211.7MB in the end (delta: -68.9MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,732 INFO L158 Benchmark]: Boogie Preprocessor took 20.39ms. Allocated memory is still 235.9MB. Free memory was 211.7MB in the beginning and 210.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,733 INFO L158 Benchmark]: RCFGBuilder took 294.62ms. Allocated memory is still 235.9MB. Free memory was 209.6MB in the beginning and 197.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,733 INFO L158 Benchmark]: IcfgTransformer took 27.96ms. Allocated memory is still 235.9MB. Free memory was 197.0MB in the beginning and 194.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,733 INFO L158 Benchmark]: TraceAbstraction took 122668.77ms. Allocated memory is still 235.9MB. Free memory was 194.4MB in the beginning and 153.6MB in the end (delta: 40.8MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2022-04-08 02:12:35,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory was 158.9MB in the beginning and 158.9MB in the end (delta: 91.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 193.58ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 142.8MB in the beginning and 211.7MB in the end (delta: -68.9MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.39ms. Allocated memory is still 235.9MB. Free memory was 211.7MB in the beginning and 210.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 294.62ms. Allocated memory is still 235.9MB. Free memory was 209.6MB in the beginning and 197.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 27.96ms. Allocated memory is still 235.9MB. Free memory was 197.0MB in the beginning and 194.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 122668.77ms. Allocated memory is still 235.9MB. Free memory was 194.4MB in the beginning and 153.6MB in the end (delta: 40.8MB). Peak memory consumption was 42.4MB. 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)=10, 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=32, y=64] [L28] a = x [L29] b = y [L30] p = 1 [L31] q = 0 VAL [\old(counter)=0, a=32, b=64, counter=0, p=1, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=32, b=64, counter=1, counter++=0, p=1, q=0, x=32, y=64] [L33] COND TRUE counter++<5 [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=32, b=64, counter=1, p=1, q=0, x=32, y=64] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=32, b=64, counter=1, p=1, q=0, x=32, y=64] [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=16, b=32, counter=1, p=4, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=16, b=32, counter=2, counter++=1, p=4, q=0, x=32, y=64] [L33] COND TRUE counter++<5 [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=16, b=32, counter=2, p=4, q=0, x=32, y=64] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=16, b=32, counter=2, p=4, q=0, x=32, y=64] [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=8, b=16, counter=2, p=16, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=8, b=16, counter=3, counter++=2, p=16, q=0, x=32, y=64] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=8, b=16, counter=3, p=16, q=0, x=32, y=64] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=8, b=16, counter=3, p=16, q=0, x=32, y=64] [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=4, b=8, counter=3, p=64, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=4, b=8, counter=4, counter++=3, p=64, q=0, x=32, y=64] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=4, b=8, counter=4, p=64, q=0, x=32, y=64] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=4, b=8, counter=4, p=64, q=0, x=32, y=64] [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=4, counter=4, p=256, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=2, b=4, counter=5, counter++=4, p=256, q=0, x=32, y=64] [L33] COND TRUE counter++<5 [L34] CALL __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L34] RET __VERIFIER_assert(q + a * b * p == (long long) x * y) VAL [\old(counter)=0, a=2, b=4, counter=5, p=256, q=0, x=32, y=64] [L36] COND FALSE !(!(a != 0 && b != 0)) VAL [\old(counter)=0, a=2, b=4, counter=5, p=256, q=0, x=32, y=64] [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=2, counter=5, p=1024, q=0, x=32, y=64] [L33] EXPR counter++ VAL [\old(counter)=0, a=1, b=2, counter=6, counter++=5, p=1024, q=0, x=32, y=64] [L33] COND FALSE !(counter++<5) [L56] CALL __VERIFIER_assert(q == (long long) x * y) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L12] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L14] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 122.6s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 306 mSDsluCounter, 1182 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 877 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 812 IncrementalHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 305 mSDtfsCounter, 812 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 472 GetRequests, 378 SyntacticMatches, 4 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=8, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 104.7s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1048 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 118/236 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! [2022-04-08 02:12:35,772 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...