/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 20:19:59,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 20:19:59,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 20:19:59,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 20:19:59,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 20:19:59,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 20:19:59,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 20:19:59,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 20:19:59,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 20:19:59,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 20:19:59,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 20:19:59,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 20:19:59,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 20:19:59,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 20:19:59,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 20:19:59,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 20:19:59,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 20:19:59,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 20:19:59,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 20:19:59,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 20:19:59,870 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 20:19:59,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 20:19:59,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 20:19:59,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 20:19:59,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 20:19:59,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 20:19:59,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 20:19:59,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 20:19:59,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 20:19:59,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 20:19:59,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 20:19:59,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 20:19:59,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 20:19:59,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 20:19:59,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 20:19:59,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 20:19:59,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 20:19:59,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 20:19:59,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 20:19:59,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 20:19:59,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 20:19:59,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 20:19:59,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 20:19:59,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 20:19:59,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 20:19:59,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 20:19:59,899 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 20:19:59,899 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 20:20:00,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 20:20:00,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 20:20:00,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 20:20:00,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 20:20:00,107 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 20:20:00,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-04-27 20:20:00,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47842767/f796157734674785bace1a5a98343578/FLAG2ee1e0be4 [2022-04-27 20:20:00,505 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 20:20:00,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-04-27 20:20:00,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47842767/f796157734674785bace1a5a98343578/FLAG2ee1e0be4 [2022-04-27 20:20:00,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47842767/f796157734674785bace1a5a98343578 [2022-04-27 20:20:00,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 20:20:00,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 20:20:00,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 20:20:00,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 20:20:00,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 20:20:00,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00, skipping insertion in model container [2022-04-27 20:20:00,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 20:20:00,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 20:20:00,661 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/sqrt1-ll_valuebound2.c[520,533] [2022-04-27 20:20:00,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 20:20:00,678 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 20:20:00,685 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/sqrt1-ll_valuebound2.c[520,533] [2022-04-27 20:20:00,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 20:20:00,702 INFO L208 MainTranslator]: Completed translation [2022-04-27 20:20:00,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00 WrapperNode [2022-04-27 20:20:00,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 20:20:00,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 20:20:00,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 20:20:00,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 20:20:00,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 20:20:00,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 20:20:00,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 20:20:00,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 20:20:00,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 20:20:00,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 20:20:00,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-27 20:20:00,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-27 20:20:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 20:20:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 20:20:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 20:20:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 20:20:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 20:20:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 20:20:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 20:20:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 20:20:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 20:20:00,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 20:20:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 20:20:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 20:20:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 20:20:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 20:20:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 20:20:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 20:20:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 20:20:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 20:20:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 20:20:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 20:20:00,824 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 20:20:00,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 20:20:00,953 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 20:20:00,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 20:20:00,959 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 20:20:00,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:20:00 BoogieIcfgContainer [2022-04-27 20:20:00,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 20:20:00,960 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 20:20:00,961 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 20:20:00,967 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 20:20:00,970 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:20:00" (1/1) ... [2022-04-27 20:20:00,971 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 20:20:00,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 08:20:00 BasicIcfg [2022-04-27 20:20:00,992 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 20:20:00,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 20:20:00,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 20:20:00,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 20:20:00,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 08:20:00" (1/4) ... [2022-04-27 20:20:00,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96ec60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 08:20:00, skipping insertion in model container [2022-04-27 20:20:00,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 08:20:00" (2/4) ... [2022-04-27 20:20:00,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96ec60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 08:20:00, skipping insertion in model container [2022-04-27 20:20:00,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:20:00" (3/4) ... [2022-04-27 20:20:00,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96ec60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 08:20:00, skipping insertion in model container [2022-04-27 20:20:00,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 08:20:00" (4/4) ... [2022-04-27 20:20:00,998 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound2.cJordan [2022-04-27 20:20:01,010 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 20:20:01,010 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 20:20:01,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 20:20:01,070 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64dc49ec, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1447f335 [2022-04-27 20:20:01,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 20:20:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 20:20:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-27 20:20:01,097 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:01,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:01,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -179702132, now seen corresponding path program 1 times [2022-04-27 20:20:01,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:01,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462228977] [2022-04-27 20:20:01,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 20:20:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,291 INFO L290 TraceCheckUtils]: 0: Hoare triple {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {34#true} is VALID [2022-04-27 20:20:01,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#true} is VALID [2022-04-27 20:20:01,292 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {34#true} {34#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#true} is VALID [2022-04-27 20:20:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 20:20:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,302 INFO L290 TraceCheckUtils]: 0: Hoare triple {34#true} [80] 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] {34#true} is VALID [2022-04-27 20:20:01,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {34#true} [84] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#false} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,303 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#false} {34#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {35#false} is VALID [2022-04-27 20:20:01,304 INFO L272 TraceCheckUtils]: 0: Hoare triple {34#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 20:20:01,305 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {34#true} is VALID [2022-04-27 20:20:01,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#true} is VALID [2022-04-27 20:20:01,305 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#true} is VALID [2022-04-27 20:20:01,305 INFO L272 TraceCheckUtils]: 4: Hoare triple {34#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#true} is VALID [2022-04-27 20:20:01,305 INFO L290 TraceCheckUtils]: 5: Hoare triple {34#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {34#true} is VALID [2022-04-27 20:20:01,306 INFO L272 TraceCheckUtils]: 6: Hoare triple {34#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {34#true} is VALID [2022-04-27 20:20:01,306 INFO L290 TraceCheckUtils]: 7: Hoare triple {34#true} [80] 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] {34#true} is VALID [2022-04-27 20:20:01,306 INFO L290 TraceCheckUtils]: 8: Hoare triple {34#true} [84] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,306 INFO L290 TraceCheckUtils]: 9: Hoare triple {35#false} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,306 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {35#false} {34#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {35#false} is VALID [2022-04-27 20:20:01,307 INFO L290 TraceCheckUtils]: 11: Hoare triple {35#false} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {35#false} is VALID [2022-04-27 20:20:01,307 INFO L290 TraceCheckUtils]: 12: Hoare triple {35#false} [81] L30-2-->L30-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,307 INFO L272 TraceCheckUtils]: 13: Hoare triple {35#false} [86] L30-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~t~0_11 (+ (* 2 v_main_~a~0_11) 1)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~t~0=v_main_~t~0_11, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {35#false} is VALID [2022-04-27 20:20:01,307 INFO L290 TraceCheckUtils]: 14: Hoare triple {35#false} [90] __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] {35#false} is VALID [2022-04-27 20:20:01,307 INFO L290 TraceCheckUtils]: 15: Hoare triple {35#false} [93] 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[] {35#false} is VALID [2022-04-27 20:20:01,308 INFO L290 TraceCheckUtils]: 16: Hoare triple {35#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#false} is VALID [2022-04-27 20:20:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 20:20:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:01,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462228977] [2022-04-27 20:20:01,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462228977] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 20:20:01,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 20:20:01,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 20:20:01,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323106958] [2022-04-27 20:20:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 20:20:01,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 20:20:01,315 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:01,317 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,334 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:01,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 20:20:01,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:01,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 20:20:01,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 20:20:01,353 INFO L87 Difference]: Start difference. First operand has 31 states, 16 states have (on average 1.375) internal successors, (22), 17 states have internal predecessors, (22), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:01,493 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-04-27 20:20:01,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 20:20:01,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-27 20:20:01,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-04-27 20:20:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-04-27 20:20:01,515 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 40 transitions. [2022-04-27 20:20:01,568 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:01,577 INFO L225 Difference]: With dead ends: 31 [2022-04-27 20:20:01,578 INFO L226 Difference]: Without dead ends: 26 [2022-04-27 20:20:01,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 20:20:01,584 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:01,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 20:20:01,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-27 20:20:01,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-27 20:20:01,603 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:01,604 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 20:20:01,605 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 20:20:01,605 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 20:20:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:01,609 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-27 20:20:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-27 20:20:01,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:01,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:01,610 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-27 20:20:01,611 INFO L87 Difference]: Start difference. First operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 26 states. [2022-04-27 20:20:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:01,613 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2022-04-27 20:20:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-27 20:20:01,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:01,614 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:01,614 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:01,614 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:01,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 9 states have call successors, (9), 4 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-27 20:20:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-04-27 20:20:01,617 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 17 [2022-04-27 20:20:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:01,617 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-04-27 20:20:01,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-04-27 20:20:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-27 20:20:01,618 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:01,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:01,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 20:20:01,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:01,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1985279762, now seen corresponding path program 1 times [2022-04-27 20:20:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:01,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899039177] [2022-04-27 20:20:01,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:01,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 20:20:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,731 INFO L290 TraceCheckUtils]: 0: Hoare triple {167#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {155#true} is VALID [2022-04-27 20:20:01,731 INFO L290 TraceCheckUtils]: 1: Hoare triple {155#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,731 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {155#true} {155#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 20:20:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:01,742 INFO L290 TraceCheckUtils]: 0: Hoare triple {155#true} [80] 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] {155#true} is VALID [2022-04-27 20:20:01,743 INFO L290 TraceCheckUtils]: 1: Hoare triple {155#true} [85] 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[] {155#true} is VALID [2022-04-27 20:20:01,743 INFO L290 TraceCheckUtils]: 2: Hoare triple {155#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,743 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {155#true} {155#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {155#true} is VALID [2022-04-27 20:20:01,746 INFO L272 TraceCheckUtils]: 0: Hoare triple {155#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {167#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 20:20:01,747 INFO L290 TraceCheckUtils]: 1: Hoare triple {167#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {155#true} is VALID [2022-04-27 20:20:01,747 INFO L290 TraceCheckUtils]: 2: Hoare triple {155#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,747 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {155#true} {155#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,747 INFO L272 TraceCheckUtils]: 4: Hoare triple {155#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,747 INFO L290 TraceCheckUtils]: 5: Hoare triple {155#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {155#true} is VALID [2022-04-27 20:20:01,748 INFO L272 TraceCheckUtils]: 6: Hoare triple {155#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {155#true} is VALID [2022-04-27 20:20:01,748 INFO L290 TraceCheckUtils]: 7: Hoare triple {155#true} [80] 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] {155#true} is VALID [2022-04-27 20:20:01,748 INFO L290 TraceCheckUtils]: 8: Hoare triple {155#true} [85] 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[] {155#true} is VALID [2022-04-27 20:20:01,748 INFO L290 TraceCheckUtils]: 9: Hoare triple {155#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-27 20:20:01,748 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {155#true} {155#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {155#true} is VALID [2022-04-27 20:20:01,749 INFO L290 TraceCheckUtils]: 11: Hoare triple {155#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {164#(and (= (* main_~a~0 2) 0) (= main_~t~0 (+ (* main_~a~0 2) 1)))} is VALID [2022-04-27 20:20:01,750 INFO L290 TraceCheckUtils]: 12: Hoare triple {164#(and (= (* main_~a~0 2) 0) (= main_~t~0 (+ (* main_~a~0 2) 1)))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {164#(and (= (* main_~a~0 2) 0) (= main_~t~0 (+ (* main_~a~0 2) 1)))} is VALID [2022-04-27 20:20:01,751 INFO L272 TraceCheckUtils]: 13: Hoare triple {164#(and (= (* main_~a~0 2) 0) (= main_~t~0 (+ (* main_~a~0 2) 1)))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {165#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 20:20:01,751 INFO L290 TraceCheckUtils]: 14: Hoare triple {165#(not (= |__VERIFIER_assert_#in~cond| 0))} [90] __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] {166#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 20:20:01,752 INFO L290 TraceCheckUtils]: 15: Hoare triple {166#(not (= __VERIFIER_assert_~cond 0))} [93] 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[] {156#false} is VALID [2022-04-27 20:20:01,752 INFO L290 TraceCheckUtils]: 16: Hoare triple {156#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {156#false} is VALID [2022-04-27 20:20:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 20:20:01,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:01,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899039177] [2022-04-27 20:20:01,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899039177] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 20:20:01,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 20:20:01,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 20:20:01,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245335952] [2022-04-27 20:20:01,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 20:20:01,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 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 17 [2022-04-27 20:20:01,754 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:01,754 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:01,766 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:01,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 20:20:01,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:01,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 20:20:01,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 20:20:01,771 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:02,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,122 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-04-27 20:20:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-27 20:20:02,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 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 17 [2022-04-27 20:20:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-27 20:20:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-27 20:20:02,133 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 49 transitions. [2022-04-27 20:20:02,183 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:02,185 INFO L225 Difference]: With dead ends: 38 [2022-04-27 20:20:02,186 INFO L226 Difference]: Without dead ends: 38 [2022-04-27 20:20:02,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-27 20:20:02,188 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 25 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:02,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 39 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 20:20:02,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-27 20:20:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-04-27 20:20:02,195 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:02,195 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 20:20:02,195 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 20:20:02,196 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 20:20:02,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,198 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-04-27 20:20:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-04-27 20:20:02,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:02,199 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:02,199 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 38 states. [2022-04-27 20:20:02,200 INFO L87 Difference]: Start difference. First operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 38 states. [2022-04-27 20:20:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,202 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-04-27 20:20:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-04-27 20:20:02,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:02,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:02,203 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:02,203 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 20:20:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-04-27 20:20:02,205 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 17 [2022-04-27 20:20:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:02,205 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-04-27 20:20:02,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 20:20:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-04-27 20:20:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-27 20:20:02,206 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:02,206 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:02,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 20:20:02,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:02,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:02,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1146988413, now seen corresponding path program 1 times [2022-04-27 20:20:02,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:02,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122689441] [2022-04-27 20:20:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:02,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:02,221 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 20:20:02,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646972204] [2022-04-27 20:20:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:02,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:02,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 20:20:02,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 20:20:02,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 20:20:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:02,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 20:20:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:02,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 20:20:02,447 INFO L272 TraceCheckUtils]: 0: Hoare triple {328#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,447 INFO L290 TraceCheckUtils]: 1: Hoare triple {328#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {328#true} is VALID [2022-04-27 20:20:02,447 INFO L290 TraceCheckUtils]: 2: Hoare triple {328#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {328#true} {328#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L272 TraceCheckUtils]: 4: Hoare triple {328#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L290 TraceCheckUtils]: 5: Hoare triple {328#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L272 TraceCheckUtils]: 6: Hoare triple {328#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L290 TraceCheckUtils]: 7: Hoare triple {328#true} [80] 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] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L290 TraceCheckUtils]: 8: Hoare triple {328#true} [85] 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[] {328#true} is VALID [2022-04-27 20:20:02,448 INFO L290 TraceCheckUtils]: 9: Hoare triple {328#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,449 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {328#true} {328#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {328#true} is VALID [2022-04-27 20:20:02,449 INFO L290 TraceCheckUtils]: 11: Hoare triple {328#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {366#(and (= main_~a~0 0) (= main_~s~0 1))} is VALID [2022-04-27 20:20:02,450 INFO L290 TraceCheckUtils]: 12: Hoare triple {366#(and (= main_~a~0 0) (= main_~s~0 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {366#(and (= main_~a~0 0) (= main_~s~0 1))} is VALID [2022-04-27 20:20:02,450 INFO L272 TraceCheckUtils]: 13: Hoare triple {366#(and (= main_~a~0 0) (= main_~s~0 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {328#true} is VALID [2022-04-27 20:20:02,450 INFO L290 TraceCheckUtils]: 14: Hoare triple {328#true} [90] __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] {328#true} is VALID [2022-04-27 20:20:02,450 INFO L290 TraceCheckUtils]: 15: Hoare triple {328#true} [94] 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[] {328#true} is VALID [2022-04-27 20:20:02,450 INFO L290 TraceCheckUtils]: 16: Hoare triple {328#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {328#true} is VALID [2022-04-27 20:20:02,451 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {328#true} {366#(and (= main_~a~0 0) (= main_~s~0 1))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {366#(and (= main_~a~0 0) (= main_~s~0 1))} is VALID [2022-04-27 20:20:02,451 INFO L272 TraceCheckUtils]: 18: Hoare triple {366#(and (= main_~a~0 0) (= main_~s~0 1))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {388#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:02,452 INFO L290 TraceCheckUtils]: 19: Hoare triple {388#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {392#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:02,452 INFO L290 TraceCheckUtils]: 20: Hoare triple {392#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {329#false} is VALID [2022-04-27 20:20:02,452 INFO L290 TraceCheckUtils]: 21: Hoare triple {329#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {329#false} is VALID [2022-04-27 20:20:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 20:20:02,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 20:20:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:02,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122689441] [2022-04-27 20:20:02,453 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 20:20:02,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646972204] [2022-04-27 20:20:02,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646972204] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 20:20:02,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 20:20:02,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 20:20:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400496776] [2022-04-27 20:20:02,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 20:20:02,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-27 20:20:02,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:02,454 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 20:20:02,468 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:02,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 20:20:02,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:02,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 20:20:02,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 20:20:02,469 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 20:20:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,598 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2022-04-27 20:20:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 20:20:02,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-04-27 20:20:02,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 20:20:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-27 20:20:02,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 20:20:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-27 20:20:02,603 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 49 transitions. [2022-04-27 20:20:02,638 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:02,642 INFO L225 Difference]: With dead ends: 42 [2022-04-27 20:20:02,642 INFO L226 Difference]: Without dead ends: 42 [2022-04-27 20:20:02,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 20:20:02,645 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:02,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 103 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 20:20:02,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-04-27 20:20:02,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2022-04-27 20:20:02,651 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:02,652 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 20:20:02,652 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 20:20:02,653 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 20:20:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,657 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2022-04-27 20:20:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-04-27 20:20:02,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:02,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:02,663 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 42 states. [2022-04-27 20:20:02,663 INFO L87 Difference]: Start difference. First operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 42 states. [2022-04-27 20:20:02,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:02,670 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2022-04-27 20:20:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-04-27 20:20:02,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:02,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:02,672 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:02,672 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 23 states have internal predecessors, (24), 14 states have call successors, (14), 6 states have call predecessors, (14), 5 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-27 20:20:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2022-04-27 20:20:02,674 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 22 [2022-04-27 20:20:02,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:02,674 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-04-27 20:20:02,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 20:20:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-04-27 20:20:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-27 20:20:02,675 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:02,675 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:02,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-27 20:20:02,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:02,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -88951989, now seen corresponding path program 1 times [2022-04-27 20:20:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:02,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153351383] [2022-04-27 20:20:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:02,893 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 20:20:02,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611193832] [2022-04-27 20:20:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:02,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 20:20:02,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 20:20:02,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 20:20:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:02,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 20:20:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:02,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 20:20:03,059 INFO L272 TraceCheckUtils]: 0: Hoare triple {567#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {567#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L290 TraceCheckUtils]: 2: Hoare triple {567#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {567#true} {567#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L272 TraceCheckUtils]: 4: Hoare triple {567#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L290 TraceCheckUtils]: 5: Hoare triple {567#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {567#true} is VALID [2022-04-27 20:20:03,060 INFO L272 TraceCheckUtils]: 6: Hoare triple {567#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {567#true} is VALID [2022-04-27 20:20:03,061 INFO L290 TraceCheckUtils]: 7: Hoare triple {567#true} [80] 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] {567#true} is VALID [2022-04-27 20:20:03,061 INFO L290 TraceCheckUtils]: 8: Hoare triple {567#true} [85] 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[] {567#true} is VALID [2022-04-27 20:20:03,061 INFO L290 TraceCheckUtils]: 9: Hoare triple {567#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,061 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {567#true} {567#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {567#true} is VALID [2022-04-27 20:20:03,064 INFO L290 TraceCheckUtils]: 11: Hoare triple {567#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {605#(and (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:03,064 INFO L290 TraceCheckUtils]: 12: Hoare triple {605#(and (= main_~t~0 1) (= main_~s~0 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {605#(and (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:03,065 INFO L272 TraceCheckUtils]: 13: Hoare triple {605#(and (= main_~t~0 1) (= main_~s~0 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {567#true} is VALID [2022-04-27 20:20:03,065 INFO L290 TraceCheckUtils]: 14: Hoare triple {567#true} [90] __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] {567#true} is VALID [2022-04-27 20:20:03,065 INFO L290 TraceCheckUtils]: 15: Hoare triple {567#true} [94] 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[] {567#true} is VALID [2022-04-27 20:20:03,065 INFO L290 TraceCheckUtils]: 16: Hoare triple {567#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,068 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {567#true} {605#(and (= main_~t~0 1) (= main_~s~0 1))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {605#(and (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:03,068 INFO L272 TraceCheckUtils]: 18: Hoare triple {605#(and (= main_~t~0 1) (= main_~s~0 1))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {567#true} is VALID [2022-04-27 20:20:03,071 INFO L290 TraceCheckUtils]: 19: Hoare triple {567#true} [90] __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] {567#true} is VALID [2022-04-27 20:20:03,072 INFO L290 TraceCheckUtils]: 20: Hoare triple {567#true} [94] 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[] {567#true} is VALID [2022-04-27 20:20:03,072 INFO L290 TraceCheckUtils]: 21: Hoare triple {567#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {567#true} is VALID [2022-04-27 20:20:03,073 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {567#true} {605#(and (= main_~t~0 1) (= main_~s~0 1))} [106] __VERIFIER_assertEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {605#(and (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:03,073 INFO L272 TraceCheckUtils]: 23: Hoare triple {605#(and (= main_~t~0 1) (= main_~s~0 1))} [95] L32-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {642#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:03,074 INFO L290 TraceCheckUtils]: 24: Hoare triple {642#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {646#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:03,074 INFO L290 TraceCheckUtils]: 25: Hoare triple {646#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {568#false} is VALID [2022-04-27 20:20:03,075 INFO L290 TraceCheckUtils]: 26: Hoare triple {568#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {568#false} is VALID [2022-04-27 20:20:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 20:20:03,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 20:20:03,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:03,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153351383] [2022-04-27 20:20:03,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 20:20:03,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611193832] [2022-04-27 20:20:03,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611193832] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 20:20:03,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 20:20:03,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 20:20:03,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925259113] [2022-04-27 20:20:03,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 20:20:03,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 27 [2022-04-27 20:20:03,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:03,082 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-04-27 20:20:03,102 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:03,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 20:20:03,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:03,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 20:20:03,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 20:20:03,105 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-04-27 20:20:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:03,221 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-04-27 20:20:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 20:20:03,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 27 [2022-04-27 20:20:03,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-04-27 20:20:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-27 20:20:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-04-27 20:20:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-04-27 20:20:03,224 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 49 transitions. [2022-04-27 20:20:03,257 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:03,258 INFO L225 Difference]: With dead ends: 46 [2022-04-27 20:20:03,258 INFO L226 Difference]: Without dead ends: 43 [2022-04-27 20:20:03,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 20:20:03,259 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:03,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 106 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 20:20:03,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-27 20:20:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-04-27 20:20:03,262 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:03,262 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:03,262 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:03,263 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:03,264 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-04-27 20:20:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-04-27 20:20:03,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:03,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:03,265 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 43 states. [2022-04-27 20:20:03,265 INFO L87 Difference]: Start difference. First operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 43 states. [2022-04-27 20:20:03,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:03,266 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2022-04-27 20:20:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-04-27 20:20:03,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:03,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:03,266 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:03,267 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-04-27 20:20:03,268 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 27 [2022-04-27 20:20:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:03,268 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-04-27 20:20:03,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-04-27 20:20:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-04-27 20:20:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-27 20:20:03,269 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:03,269 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:03,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 20:20:03,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-04-27 20:20:03,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:03,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash 196845204, now seen corresponding path program 1 times [2022-04-27 20:20:03,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:03,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334281723] [2022-04-27 20:20:03,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:03,494 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 20:20:03,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602856542] [2022-04-27 20:20:03,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:03,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:03,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 20:20:03,495 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 20:20:03,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 20:20:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:03,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-27 20:20:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:03,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 20:20:03,672 INFO L272 TraceCheckUtils]: 0: Hoare triple {829#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {829#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L290 TraceCheckUtils]: 2: Hoare triple {829#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {829#true} {829#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L272 TraceCheckUtils]: 4: Hoare triple {829#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L290 TraceCheckUtils]: 5: Hoare triple {829#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L272 TraceCheckUtils]: 6: Hoare triple {829#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {829#true} is VALID [2022-04-27 20:20:03,673 INFO L290 TraceCheckUtils]: 7: Hoare triple {829#true} [80] 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] {829#true} is VALID [2022-04-27 20:20:03,674 INFO L290 TraceCheckUtils]: 8: Hoare triple {829#true} [85] 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[] {829#true} is VALID [2022-04-27 20:20:03,674 INFO L290 TraceCheckUtils]: 9: Hoare triple {829#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,674 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {829#true} {829#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {829#true} is VALID [2022-04-27 20:20:03,676 INFO L290 TraceCheckUtils]: 11: Hoare triple {829#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {867#(and (= main_~a~0 0) (= main_~t~0 1))} is VALID [2022-04-27 20:20:03,677 INFO L290 TraceCheckUtils]: 12: Hoare triple {867#(and (= main_~a~0 0) (= main_~t~0 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {867#(and (= main_~a~0 0) (= main_~t~0 1))} is VALID [2022-04-27 20:20:03,677 INFO L272 TraceCheckUtils]: 13: Hoare triple {867#(and (= main_~a~0 0) (= main_~t~0 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,677 INFO L290 TraceCheckUtils]: 14: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,677 INFO L290 TraceCheckUtils]: 15: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,677 INFO L290 TraceCheckUtils]: 16: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,678 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {829#true} {867#(and (= main_~a~0 0) (= main_~t~0 1))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {867#(and (= main_~a~0 0) (= main_~t~0 1))} is VALID [2022-04-27 20:20:03,678 INFO L272 TraceCheckUtils]: 18: Hoare triple {867#(and (= main_~a~0 0) (= main_~t~0 1))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,678 INFO L290 TraceCheckUtils]: 19: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,678 INFO L290 TraceCheckUtils]: 20: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,678 INFO L290 TraceCheckUtils]: 21: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,679 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {829#true} {867#(and (= main_~a~0 0) (= main_~t~0 1))} [106] __VERIFIER_assertEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {867#(and (= main_~a~0 0) (= main_~t~0 1))} is VALID [2022-04-27 20:20:03,679 INFO L272 TraceCheckUtils]: 23: Hoare triple {867#(and (= main_~a~0 0) (= main_~t~0 1))} [95] L32-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {829#true} is VALID [2022-04-27 20:20:03,679 INFO L290 TraceCheckUtils]: 24: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,680 INFO L290 TraceCheckUtils]: 25: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,680 INFO L290 TraceCheckUtils]: 26: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,688 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {829#true} {867#(and (= main_~a~0 0) (= main_~t~0 1))} [107] __VERIFIER_assertEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {867#(and (= main_~a~0 0) (= main_~t~0 1))} is VALID [2022-04-27 20:20:03,688 INFO L290 TraceCheckUtils]: 28: Hoare triple {867#(and (= main_~a~0 0) (= main_~t~0 1))} [101] L33-->L30-2: Formula: (and (= v_main_~t~0_7 (+ v_main_~t~0_8 2)) (= v_main_~a~0_7 (+ v_main_~a~0_8 1)) (<= v_main_~s~0_9 v_main_~n~0_6) (= (+ v_main_~s~0_9 v_main_~t~0_7) v_main_~s~0_8)) InVars {main_~t~0=v_main_~t~0_8, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~t~0=v_main_~t~0_7, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {919#(and (= (+ (- 2) main_~t~0) 1) (= (+ (- 1) main_~a~0) 0))} is VALID [2022-04-27 20:20:03,689 INFO L290 TraceCheckUtils]: 29: Hoare triple {919#(and (= (+ (- 2) main_~t~0) 1) (= (+ (- 1) main_~a~0) 0))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {919#(and (= (+ (- 2) main_~t~0) 1) (= (+ (- 1) main_~a~0) 0))} is VALID [2022-04-27 20:20:03,690 INFO L272 TraceCheckUtils]: 30: Hoare triple {919#(and (= (+ (- 2) main_~t~0) 1) (= (+ (- 1) main_~a~0) 0))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {926#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:03,690 INFO L290 TraceCheckUtils]: 31: Hoare triple {926#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {930#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:03,690 INFO L290 TraceCheckUtils]: 32: Hoare triple {930#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {830#false} is VALID [2022-04-27 20:20:03,690 INFO L290 TraceCheckUtils]: 33: Hoare triple {830#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {830#false} is VALID [2022-04-27 20:20:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 20:20:03,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 20:20:03,844 INFO L290 TraceCheckUtils]: 33: Hoare triple {830#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {830#false} is VALID [2022-04-27 20:20:03,845 INFO L290 TraceCheckUtils]: 32: Hoare triple {930#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {830#false} is VALID [2022-04-27 20:20:03,845 INFO L290 TraceCheckUtils]: 31: Hoare triple {926#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {930#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:03,846 INFO L272 TraceCheckUtils]: 30: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {926#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:03,846 INFO L290 TraceCheckUtils]: 29: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,847 INFO L290 TraceCheckUtils]: 28: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [101] L33-->L30-2: Formula: (and (= v_main_~t~0_7 (+ v_main_~t~0_8 2)) (= v_main_~a~0_7 (+ v_main_~a~0_8 1)) (<= v_main_~s~0_9 v_main_~n~0_6) (= (+ v_main_~s~0_9 v_main_~t~0_7) v_main_~s~0_8)) InVars {main_~t~0=v_main_~t~0_8, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~t~0=v_main_~t~0_7, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,847 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {829#true} {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [107] __VERIFIER_assertEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,848 INFO L290 TraceCheckUtils]: 26: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,848 INFO L290 TraceCheckUtils]: 25: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,848 INFO L290 TraceCheckUtils]: 24: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,848 INFO L272 TraceCheckUtils]: 23: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [95] L32-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {829#true} is VALID [2022-04-27 20:20:03,849 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {829#true} {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [106] __VERIFIER_assertEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,849 INFO L290 TraceCheckUtils]: 21: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,849 INFO L290 TraceCheckUtils]: 20: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,849 INFO L290 TraceCheckUtils]: 19: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,850 INFO L272 TraceCheckUtils]: 18: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,850 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {829#true} {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,850 INFO L290 TraceCheckUtils]: 16: Hoare triple {829#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,850 INFO L290 TraceCheckUtils]: 15: Hoare triple {829#true} [94] 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[] {829#true} is VALID [2022-04-27 20:20:03,850 INFO L290 TraceCheckUtils]: 14: Hoare triple {829#true} [90] __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] {829#true} is VALID [2022-04-27 20:20:03,850 INFO L272 TraceCheckUtils]: 13: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,851 INFO L290 TraceCheckUtils]: 12: Hoare triple {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,851 INFO L290 TraceCheckUtils]: 11: Hoare triple {829#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {946#(= main_~t~0 (+ (* main_~a~0 2) 1))} is VALID [2022-04-27 20:20:03,851 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {829#true} {829#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {829#true} is VALID [2022-04-27 20:20:03,851 INFO L290 TraceCheckUtils]: 9: Hoare triple {829#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,851 INFO L290 TraceCheckUtils]: 8: Hoare triple {829#true} [85] 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[] {829#true} is VALID [2022-04-27 20:20:03,851 INFO L290 TraceCheckUtils]: 7: Hoare triple {829#true} [80] 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] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L272 TraceCheckUtils]: 6: Hoare triple {829#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L290 TraceCheckUtils]: 5: Hoare triple {829#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L272 TraceCheckUtils]: 4: Hoare triple {829#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {829#true} {829#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L290 TraceCheckUtils]: 2: Hoare triple {829#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L290 TraceCheckUtils]: 1: Hoare triple {829#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L272 TraceCheckUtils]: 0: Hoare triple {829#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {829#true} is VALID [2022-04-27 20:20:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-04-27 20:20:03,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:03,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334281723] [2022-04-27 20:20:03,853 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 20:20:03,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602856542] [2022-04-27 20:20:03,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602856542] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-27 20:20:03,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-27 20:20:03,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-27 20:20:03,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676542317] [2022-04-27 20:20:03,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 20:20:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2022-04-27 20:20:03,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:03,854 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 20:20:03,870 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:03,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 20:20:03,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:03,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 20:20:03,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-27 20:20:03,871 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 20:20:04,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:04,188 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-27 20:20:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 20:20:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2022-04-27 20:20:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 20:20:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-27 20:20:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 20:20:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-27 20:20:04,190 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2022-04-27 20:20:04,215 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:04,215 INFO L225 Difference]: With dead ends: 47 [2022-04-27 20:20:04,216 INFO L226 Difference]: Without dead ends: 47 [2022-04-27 20:20:04,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-27 20:20:04,216 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:04,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 79 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-27 20:20:04,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-27 20:20:04,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-04-27 20:20:04,219 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:04,219 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:04,219 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:04,219 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:04,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:04,221 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-27 20:20:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-27 20:20:04,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:04,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:04,221 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 47 states. [2022-04-27 20:20:04,221 INFO L87 Difference]: Start difference. First operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand 47 states. [2022-04-27 20:20:04,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:04,223 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-27 20:20:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-27 20:20:04,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:04,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:04,223 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:04,223 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 20:20:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-04-27 20:20:04,224 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 34 [2022-04-27 20:20:04,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:04,224 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-04-27 20:20:04,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 20:20:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-27 20:20:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-27 20:20:04,225 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 20:20:04,225 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 20:20:04,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-04-27 20:20:04,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:04,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 20:20:04,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 20:20:04,432 INFO L85 PathProgramCache]: Analyzing trace with hash -374953577, now seen corresponding path program 2 times [2022-04-27 20:20:04,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 20:20:04,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619010932] [2022-04-27 20:20:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 20:20:04,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 20:20:04,443 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 20:20:04,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70400161] [2022-04-27 20:20:04,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-27 20:20:04,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 20:20:04,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 20:20:04,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 20:20:04,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-27 20:20:04,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-27 20:20:04,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-27 20:20:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 20:20:04,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 20:20:04,654 INFO L272 TraceCheckUtils]: 0: Hoare triple {1229#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,654 INFO L290 TraceCheckUtils]: 1: Hoare triple {1229#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {1229#true} is VALID [2022-04-27 20:20:04,654 INFO L290 TraceCheckUtils]: 2: Hoare triple {1229#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,654 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1229#true} {1229#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,654 INFO L272 TraceCheckUtils]: 4: Hoare triple {1229#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L290 TraceCheckUtils]: 5: Hoare triple {1229#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L272 TraceCheckUtils]: 6: Hoare triple {1229#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L290 TraceCheckUtils]: 7: Hoare triple {1229#true} [80] 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] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L290 TraceCheckUtils]: 8: Hoare triple {1229#true} [85] 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[] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L290 TraceCheckUtils]: 9: Hoare triple {1229#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1229#true} {1229#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {1229#true} is VALID [2022-04-27 20:20:04,655 INFO L290 TraceCheckUtils]: 11: Hoare triple {1229#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:04,656 INFO L290 TraceCheckUtils]: 12: Hoare triple {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:04,657 INFO L272 TraceCheckUtils]: 13: Hoare triple {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,657 INFO L290 TraceCheckUtils]: 14: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,657 INFO L290 TraceCheckUtils]: 15: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,658 INFO L290 TraceCheckUtils]: 16: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,658 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1229#true} {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:04,658 INFO L272 TraceCheckUtils]: 18: Hoare triple {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,658 INFO L290 TraceCheckUtils]: 19: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,659 INFO L290 TraceCheckUtils]: 20: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,659 INFO L290 TraceCheckUtils]: 21: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,659 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1229#true} {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [106] __VERIFIER_assertEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:04,660 INFO L272 TraceCheckUtils]: 23: Hoare triple {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [95] L32-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {1229#true} is VALID [2022-04-27 20:20:04,660 INFO L290 TraceCheckUtils]: 24: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,660 INFO L290 TraceCheckUtils]: 25: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,660 INFO L290 TraceCheckUtils]: 26: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,660 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {1229#true} {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [107] __VERIFIER_assertEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} is VALID [2022-04-27 20:20:04,661 INFO L290 TraceCheckUtils]: 28: Hoare triple {1267#(and (= main_~a~0 0) (= main_~t~0 1) (= main_~s~0 1))} [101] L33-->L30-2: Formula: (and (= v_main_~t~0_7 (+ v_main_~t~0_8 2)) (= v_main_~a~0_7 (+ v_main_~a~0_8 1)) (<= v_main_~s~0_9 v_main_~n~0_6) (= (+ v_main_~s~0_9 v_main_~t~0_7) v_main_~s~0_8)) InVars {main_~t~0=v_main_~t~0_8, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~t~0=v_main_~t~0_7, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} is VALID [2022-04-27 20:20:04,661 INFO L290 TraceCheckUtils]: 29: Hoare triple {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} is VALID [2022-04-27 20:20:04,661 INFO L272 TraceCheckUtils]: 30: Hoare triple {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,661 INFO L290 TraceCheckUtils]: 31: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,661 INFO L290 TraceCheckUtils]: 32: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,664 INFO L290 TraceCheckUtils]: 33: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,665 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {1229#true} {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} is VALID [2022-04-27 20:20:04,665 INFO L272 TraceCheckUtils]: 35: Hoare triple {1319#(and (= (+ main_~s~0 (- 3)) 1) (= (+ (- 1) main_~a~0) 0))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1341#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:04,666 INFO L290 TraceCheckUtils]: 36: Hoare triple {1341#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {1345#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:04,666 INFO L290 TraceCheckUtils]: 37: Hoare triple {1345#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {1230#false} is VALID [2022-04-27 20:20:04,666 INFO L290 TraceCheckUtils]: 38: Hoare triple {1230#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1230#false} is VALID [2022-04-27 20:20:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 20:20:04,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 20:20:04,820 INFO L290 TraceCheckUtils]: 38: Hoare triple {1230#false} [97] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1230#false} is VALID [2022-04-27 20:20:04,821 INFO L290 TraceCheckUtils]: 37: Hoare triple {1345#(<= 1 __VERIFIER_assert_~cond)} [93] 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[] {1230#false} is VALID [2022-04-27 20:20:04,822 INFO L290 TraceCheckUtils]: 36: Hoare triple {1341#(<= 1 |__VERIFIER_assert_#in~cond|)} [90] __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] {1345#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 20:20:04,822 INFO L272 TraceCheckUtils]: 35: Hoare triple {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1341#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 20:20:04,823 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {1229#true} {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} is VALID [2022-04-27 20:20:04,823 INFO L290 TraceCheckUtils]: 33: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,823 INFO L290 TraceCheckUtils]: 32: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,823 INFO L290 TraceCheckUtils]: 31: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,823 INFO L272 TraceCheckUtils]: 30: Hoare triple {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,824 INFO L290 TraceCheckUtils]: 29: Hoare triple {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} is VALID [2022-04-27 20:20:04,858 INFO L290 TraceCheckUtils]: 28: Hoare triple {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [101] L33-->L30-2: Formula: (and (= v_main_~t~0_7 (+ v_main_~t~0_8 2)) (= v_main_~a~0_7 (+ v_main_~a~0_8 1)) (<= v_main_~s~0_9 v_main_~n~0_6) (= (+ v_main_~s~0_9 v_main_~t~0_7) v_main_~s~0_8)) InVars {main_~t~0=v_main_~t~0_8, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_9, main_~a~0=v_main_~a~0_8} OutVars{main_~t~0=v_main_~t~0_7, main_~n~0=v_main_~n~0_6, main_~s~0=v_main_~s~0_8, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {1361#(= (+ (* main_~a~0 2) (* main_~a~0 main_~a~0) 1) main_~s~0)} is VALID [2022-04-27 20:20:04,859 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {1229#true} {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [107] __VERIFIER_assertEXIT-->L33: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} is VALID [2022-04-27 20:20:04,859 INFO L290 TraceCheckUtils]: 26: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,859 INFO L290 TraceCheckUtils]: 25: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,859 INFO L290 TraceCheckUtils]: 24: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,859 INFO L272 TraceCheckUtils]: 23: Hoare triple {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [95] L32-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (+ (* v_main_~s~0_11 (- 4)) (* v_main_~t~0_10 v_main_~t~0_10) (* v_main_~t~0_10 2) 1) 0) 1 0)) InVars {main_~t~0=v_main_~t~0_10, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~s~0] {1229#true} is VALID [2022-04-27 20:20:04,860 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1229#true} {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [106] __VERIFIER_assertEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} is VALID [2022-04-27 20:20:04,860 INFO L290 TraceCheckUtils]: 21: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,860 INFO L290 TraceCheckUtils]: 20: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,860 INFO L290 TraceCheckUtils]: 19: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,860 INFO L272 TraceCheckUtils]: 18: Hoare triple {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [91] L31-1-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= v_main_~s~0_10 (let ((.cse0 (+ 1 v_main_~a~0_10))) (* .cse0 .cse0))) 1 0)) InVars {main_~s~0=v_main_~s~0_10, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~s~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,861 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {1229#true} {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [105] __VERIFIER_assertEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} is VALID [2022-04-27 20:20:04,862 INFO L290 TraceCheckUtils]: 16: Hoare triple {1229#true} [99] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {1229#true} [94] 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[] {1229#true} is VALID [2022-04-27 20:20:04,862 INFO L290 TraceCheckUtils]: 14: Hoare triple {1229#true} [90] __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] {1229#true} is VALID [2022-04-27 20:20:04,862 INFO L272 TraceCheckUtils]: 13: Hoare triple {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [87] L31-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* v_main_~a~0_9 2) 1) v_main_~t~0_9) 1 0)) InVars {main_~t~0=v_main_~t~0_9, main_~a~0=v_main_~a~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~t~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,862 INFO L290 TraceCheckUtils]: 12: Hoare triple {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} [83] L30-2-->L31: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {1229#true} [79] L24-1-->L30-2: Formula: (and (= v_main_~s~0_4 1) (= v_main_~t~0_4 1) (= v_main_~a~0_4 0)) InVars {} OutVars{main_~t~0=v_main_~t~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[main_~t~0, main_~s~0, main_~a~0] {1383#(= (+ (* (+ main_~a~0 1) (+ main_~a~0 1)) (* main_~a~0 2) 3) (+ main_~t~0 main_~s~0 2))} is VALID [2022-04-27 20:20:04,863 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1229#true} {1229#true} [104] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {1229#true} [88] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {1229#true} [85] 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[] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 7: Hoare triple {1229#true} [80] 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] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L272 TraceCheckUtils]: 6: Hoare triple {1229#true} [78] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (and (<= 0 v_main_~n~0_7) (<= v_main_~n~0_7 2)) 1 0)) InVars {main_~n~0=v_main_~n~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~n~0, assume_abort_if_not_#in~cond] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 5: Hoare triple {1229#true} [76] mainENTRY-->L24: Formula: (and (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (= v_main_~n~0_1 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~t~0=v_main_~t~0_3, main_~n~0=v_main_~n~0_1, main_~s~0=v_main_~s~0_3, main_~a~0=v_main_~a~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~t~0, main_~n~0, main_~s~0, main_~a~0] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L272 TraceCheckUtils]: 4: Hoare triple {1229#true} [73] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1229#true} {1229#true} [103] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {1229#true} [77] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,864 INFO L290 TraceCheckUtils]: 1: Hoare triple {1229#true} [74] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select |v_#length_1| 2) 11) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .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{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {1229#true} is VALID [2022-04-27 20:20:04,864 INFO L272 TraceCheckUtils]: 0: Hoare triple {1229#true} [72] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1229#true} is VALID [2022-04-27 20:20:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-27 20:20:04,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 20:20:04,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619010932] [2022-04-27 20:20:04,864 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 20:20:04,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70400161] [2022-04-27 20:20:04,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70400161] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 20:20:04,864 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 20:20:04,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-04-27 20:20:04,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137831428] [2022-04-27 20:20:04,864 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 20:20:04,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 39 [2022-04-27 20:20:04,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 20:20:04,865 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-04-27 20:20:04,899 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:04,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 20:20:04,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 20:20:04,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 20:20:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-04-27 20:20:04,900 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-04-27 20:20:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:05,322 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-04-27 20:20:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-27 20:20:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 39 [2022-04-27 20:20:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 20:20:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-04-27 20:20:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 52 transitions. [2022-04-27 20:20:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-04-27 20:20:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 52 transitions. [2022-04-27 20:20:05,325 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 52 transitions. [2022-04-27 20:20:05,398 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 20:20:05,398 INFO L225 Difference]: With dead ends: 53 [2022-04-27 20:20:05,398 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 20:20:05,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-04-27 20:20:05,398 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-27 20:20:05,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 98 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-27 20:20:05,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 20:20:05,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 20:20:05,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 20:20:05,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 20:20:05,399 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 20:20:05,399 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 20:20:05,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:05,399 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 20:20:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:05,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:05,400 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 20:20:05,400 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 20:20:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 20:20:05,400 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:05,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 20:20:05,400 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 20:20:05,400 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 20:20:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 20:20:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-04-27 20:20:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 20:20:05,400 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-04-27 20:20:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 20:20:05,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 20:20:05,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 20:20:05,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-27 20:20:05,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 20:20:05,614 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-04-27 20:20:05,615 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 20:20:05,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 08:20:05 BasicIcfg [2022-04-27 20:20:05,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 20:20:05,617 INFO L158 Benchmark]: Toolchain (without parser) took 5096.89ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 121.3MB in the beginning and 178.8MB in the end (delta: -57.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 20:20:05,617 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 137.4MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 20:20:05,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.24ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 121.1MB in the beginning and 182.8MB in the end (delta: -61.7MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2022-04-27 20:20:05,618 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 206.6MB. Free memory was 182.8MB in the beginning and 181.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 20:20:05,618 INFO L158 Benchmark]: RCFGBuilder took 236.06ms. Allocated memory is still 206.6MB. Free memory was 181.4MB in the beginning and 169.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 20:20:05,618 INFO L158 Benchmark]: IcfgTransformer took 32.08ms. Allocated memory is still 206.6MB. Free memory was 169.9MB in the beginning and 168.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 20:20:05,618 INFO L158 Benchmark]: TraceAbstraction took 4623.01ms. Allocated memory is still 206.6MB. Free memory was 167.8MB in the beginning and 178.8MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 20:20:05,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory was 137.4MB in the beginning and 137.4MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.24ms. Allocated memory was 172.0MB in the beginning and 206.6MB in the end (delta: 34.6MB). Free memory was 121.1MB in the beginning and 182.8MB in the end (delta: -61.7MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 206.6MB. Free memory was 182.8MB in the beginning and 181.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 236.06ms. Allocated memory is still 206.6MB. Free memory was 181.4MB in the beginning and 169.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 32.08ms. Allocated memory is still 206.6MB. Free memory was 169.9MB in the beginning and 168.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 4623.01ms. Allocated memory is still 206.6MB. Free memory was 167.8MB in the beginning and 178.8MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 457 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 168 mSDtfsCounter, 353 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 182 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 5 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 112/120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-27 20:20:05,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...