/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/geo1-ll_unwindbound20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-14 21:42:15,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-14 21:42:15,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-14 21:42:15,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-14 21:42:15,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-14 21:42:15,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-14 21:42:15,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-14 21:42:15,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-14 21:42:15,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-14 21:42:15,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-14 21:42:15,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-14 21:42:15,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-04-14 21:42:15,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-14 21:42:15,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-14 21:42:15,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-14 21:42:15,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-14 21:42:15,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-14 21:42:15,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-14 21:42:15,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-14 21:42:15,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-14 21:42:15,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-14 21:42:15,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-14 21:42:15,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-14 21:42:15,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-14 21:42:15,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 21:42:15,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-14 21:42:15,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-14 21:42:15,945 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-14 21:42:15,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-14 21:42:16,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-14 21:42:16,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-14 21:42:16,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-14 21:42:16,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-14 21:42:16,196 INFO L275 PluginConnector]: CDTParser initialized [2022-04-14 21:42:16,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_unwindbound20.c [2022-04-14 21:42:16,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295a5292e/7acc7b97eaff48aabca647afcdd4d167/FLAGf3d738e1c [2022-04-14 21:42:16,654 INFO L306 CDTParser]: Found 1 translation units. [2022-04-14 21:42:16,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_unwindbound20.c [2022-04-14 21:42:16,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295a5292e/7acc7b97eaff48aabca647afcdd4d167/FLAGf3d738e1c [2022-04-14 21:42:17,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295a5292e/7acc7b97eaff48aabca647afcdd4d167 [2022-04-14 21:42:17,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-14 21:42:17,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-14 21:42:17,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-14 21:42:17,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-14 21:42:17,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-14 21:42:17,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1bb18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17, skipping insertion in model container [2022-04-14 21:42:17,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-14 21:42:17,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-14 21:42:17,245 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/geo1-ll_unwindbound20.c[546,559] [2022-04-14 21:42:17,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 21:42:17,285 INFO L203 MainTranslator]: Completed pre-run [2022-04-14 21:42:17,295 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/geo1-ll_unwindbound20.c[546,559] [2022-04-14 21:42:17,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 21:42:17,312 INFO L208 MainTranslator]: Completed translation [2022-04-14 21:42:17,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17 WrapperNode [2022-04-14 21:42:17,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-14 21:42:17,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-14 21:42:17,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-14 21:42:17,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-14 21:42:17,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-14 21:42:17,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-14 21:42:17,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-14 21:42:17,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-14 21:42:17,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 21:42:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:42:17,378 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) [2022-04-14 21:42:17,380 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 [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-14 21:42:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-14 21:42:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-14 21:42:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-14 21:42:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-14 21:42:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-14 21:42:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-14 21:42:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-14 21:42:17,464 INFO L234 CfgBuilder]: Building ICFG [2022-04-14 21:42:17,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-14 21:42:17,583 INFO L275 CfgBuilder]: Performing block encoding [2022-04-14 21:42:17,590 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-14 21:42:17,590 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-14 21:42:17,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:42:17 BoogieIcfgContainer [2022-04-14 21:42:17,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-14 21:42:17,592 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-14 21:42:17,592 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-14 21:42:17,593 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-14 21:42:17,596 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:42:17" (1/1) ... [2022-04-14 21:42:17,598 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-14 21:42:17,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 09:42:17 BasicIcfg [2022-04-14 21:42:17,622 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-14 21:42:17,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-14 21:42:17,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-14 21:42:17,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-14 21:42:17,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 09:42:17" (1/4) ... [2022-04-14 21:42:17,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec995fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 09:42:17, skipping insertion in model container [2022-04-14 21:42:17,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 09:42:17" (2/4) ... [2022-04-14 21:42:17,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec995fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 09:42:17, skipping insertion in model container [2022-04-14 21:42:17,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 09:42:17" (3/4) ... [2022-04-14 21:42:17,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec995fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 09:42:17, skipping insertion in model container [2022-04-14 21:42:17,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 09:42:17" (4/4) ... [2022-04-14 21:42:17,632 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-ll_unwindbound20.cJordan [2022-04-14 21:42:17,636 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-14 21:42:17,637 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-14 21:42:17,681 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-14 21:42:17,702 INFO L340 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 [2022-04-14 21:42:17,702 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-14 21:42:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-14 21:42:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-14 21:42:17,739 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:42:17,740 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 21:42:17,741 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:42:17,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:42:17,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1175629711, now seen corresponding path program 1 times [2022-04-14 21:42:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:42:17,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264137346] [2022-04-14 21:42:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:42:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-14 21:42:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:18,018 INFO L290 TraceCheckUtils]: 0: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {33#true} is VALID [2022-04-14 21:42:18,018 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 21:42:18,019 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 21:42:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-14 21:42:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:18,035 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [73] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 21:42:18,037 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [75] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,037 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,037 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {33#true} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 21:42:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-14 21:42:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:18,055 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#true} [73] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 21:42:18,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#true} [75] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {34#false} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,057 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34#false} {34#false} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 21:42:18,059 INFO L272 TraceCheckUtils]: 0: Hoare triple {33#true} [65] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-14 21:42:18,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {46#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {33#true} is VALID [2022-04-14 21:42:18,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {33#true} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 21:42:18,061 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33#true} {33#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 21:42:18,062 INFO L272 TraceCheckUtils]: 4: Hoare triple {33#true} [66] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#true} is VALID [2022-04-14 21:42:18,062 INFO L290 TraceCheckUtils]: 5: Hoare triple {33#true} [69] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~k~0_1 |v_main_#t~nondet5_2|) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~k~0=v_main_~k~0_1, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~x~0, main_~k~0, main_~z~0, main_~c~0, main_~y~0] {33#true} is VALID [2022-04-14 21:42:18,063 INFO L272 TraceCheckUtils]: 6: Hoare triple {33#true} [71] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-14 21:42:18,063 INFO L290 TraceCheckUtils]: 7: Hoare triple {33#true} [73] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 21:42:18,069 INFO L290 TraceCheckUtils]: 8: Hoare triple {33#true} [75] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,070 INFO L290 TraceCheckUtils]: 9: Hoare triple {34#false} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,071 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {34#false} {33#true} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 21:42:18,072 INFO L272 TraceCheckUtils]: 11: Hoare triple {34#false} [72] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {33#true} is VALID [2022-04-14 21:42:18,072 INFO L290 TraceCheckUtils]: 12: Hoare triple {33#true} [73] assume_abort_if_notENTRY-->L13: 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] {33#true} is VALID [2022-04-14 21:42:18,073 INFO L290 TraceCheckUtils]: 13: Hoare triple {33#true} [75] L13-->L13-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,073 INFO L290 TraceCheckUtils]: 14: Hoare triple {34#false} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,074 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {34#false} {34#false} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {34#false} is VALID [2022-04-14 21:42:18,074 INFO L290 TraceCheckUtils]: 16: Hoare triple {34#false} [74] L29-->L35-3: Formula: (and (= v_main_~c~0_2 1) (= v_main_~y~0_3 v_main_~z~0_6) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_6} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_6} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {34#false} is VALID [2022-04-14 21:42:18,074 INFO L290 TraceCheckUtils]: 17: Hoare triple {34#false} [77] L35-3-->L35-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,075 INFO L290 TraceCheckUtils]: 18: Hoare triple {34#false} [80] L35-4-->L49: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {34#false} is VALID [2022-04-14 21:42:18,075 INFO L272 TraceCheckUtils]: 19: Hoare triple {34#false} [83] L49-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {34#false} is VALID [2022-04-14 21:42:18,076 INFO L290 TraceCheckUtils]: 20: Hoare triple {34#false} [86] __VERIFIER_assertENTRY-->L16: 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] {34#false} is VALID [2022-04-14 21:42:18,076 INFO L290 TraceCheckUtils]: 21: Hoare triple {34#false} [90] L16-->L17: 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[] {34#false} is VALID [2022-04-14 21:42:18,076 INFO L290 TraceCheckUtils]: 22: Hoare triple {34#false} [92] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {34#false} is VALID [2022-04-14 21:42:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 21:42:18,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:42:18,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264137346] [2022-04-14 21:42:18,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264137346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 21:42:18,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 21:42:18,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-14 21:42:18,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731475086] [2022-04-14 21:42:18,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 21:42:18,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-14 21:42:18,090 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:42:18,094 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:18,124 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:18,124 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-14 21:42:18,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:42:18,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-14 21:42:18,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 21:42:18,151 INFO L87 Difference]: Start difference. First operand has 30 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,298 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-04-14 21:42:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-14 21:42:18,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-14 21:42:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:42:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-04-14 21:42:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-04-14 21:42:18,315 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 38 transitions. [2022-04-14 21:42:18,364 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:18,371 INFO L225 Difference]: With dead ends: 31 [2022-04-14 21:42:18,371 INFO L226 Difference]: Without dead ends: 26 [2022-04-14 21:42:18,373 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-14 21:42:18,376 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 21:42:18,377 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 34 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 21:42:18,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-14 21:42:18,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-04-14 21:42:18,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:42:18,402 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 21:42:18,402 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 21:42:18,403 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 21:42:18,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,407 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-14 21:42:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-14 21:42:18,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:18,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:18,408 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-14 21:42:18,408 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-14 21:42:18,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,412 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-14 21:42:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-14 21:42:18,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:18,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:18,413 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:42:18,413 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:42:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-14 21:42:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-04-14 21:42:18,416 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 23 [2022-04-14 21:42:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:42:18,416 INFO L478 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-04-14 21:42:18,417 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-04-14 21:42:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-14 21:42:18,418 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:42:18,418 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 21:42:18,418 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-14 21:42:18,418 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:42:18,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:42:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash 165914577, now seen corresponding path program 1 times [2022-04-14 21:42:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:42:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990470619] [2022-04-14 21:42:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:42:18,440 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 21:42:18,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40093110] [2022-04-14 21:42:18,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:18,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:42:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:42:18,442 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) [2022-04-14 21:42:18,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-14 21:42:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:18,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-14 21:42:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 21:42:18,715 INFO L272 TraceCheckUtils]: 0: Hoare triple {157#true} [65] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {157#true} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {157#true} is VALID [2022-04-14 21:42:18,715 INFO L290 TraceCheckUtils]: 2: Hoare triple {157#true} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {157#true} {157#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,716 INFO L272 TraceCheckUtils]: 4: Hoare triple {157#true} [66] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {157#true} [69] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~k~0_1 |v_main_#t~nondet5_2|) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~k~0=v_main_~k~0_1, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~x~0, main_~k~0, main_~z~0, main_~c~0, main_~y~0] {157#true} is VALID [2022-04-14 21:42:18,716 INFO L272 TraceCheckUtils]: 6: Hoare triple {157#true} [71] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {157#true} is VALID [2022-04-14 21:42:18,716 INFO L290 TraceCheckUtils]: 7: Hoare triple {157#true} [73] assume_abort_if_notENTRY-->L13: 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] {157#true} is VALID [2022-04-14 21:42:18,717 INFO L290 TraceCheckUtils]: 8: Hoare triple {157#true} [76] L13-->L13-2: 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[] {157#true} is VALID [2022-04-14 21:42:18,717 INFO L290 TraceCheckUtils]: 9: Hoare triple {157#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,717 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {157#true} {157#true} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {157#true} is VALID [2022-04-14 21:42:18,717 INFO L272 TraceCheckUtils]: 11: Hoare triple {157#true} [72] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {157#true} is VALID [2022-04-14 21:42:18,718 INFO L290 TraceCheckUtils]: 12: Hoare triple {157#true} [73] assume_abort_if_notENTRY-->L13: 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] {157#true} is VALID [2022-04-14 21:42:18,718 INFO L290 TraceCheckUtils]: 13: Hoare triple {157#true} [76] L13-->L13-2: 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[] {157#true} is VALID [2022-04-14 21:42:18,718 INFO L290 TraceCheckUtils]: 14: Hoare triple {157#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {157#true} is VALID [2022-04-14 21:42:18,718 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {157#true} {157#true} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {157#true} is VALID [2022-04-14 21:42:18,719 INFO L290 TraceCheckUtils]: 16: Hoare triple {157#true} [74] L29-->L35-3: Formula: (and (= v_main_~c~0_2 1) (= v_main_~y~0_3 v_main_~z~0_6) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_6} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_6} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} is VALID [2022-04-14 21:42:18,720 INFO L290 TraceCheckUtils]: 17: Hoare triple {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} [78] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} is VALID [2022-04-14 21:42:18,720 INFO L290 TraceCheckUtils]: 18: Hoare triple {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} [82] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 20) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} is VALID [2022-04-14 21:42:18,721 INFO L272 TraceCheckUtils]: 19: Hoare triple {210#(and (= main_~z~0 main_~y~0) (= main_~x~0 1))} [84] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~z~0_10 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {220#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:42:18,722 INFO L290 TraceCheckUtils]: 20: Hoare triple {220#(<= 1 |__VERIFIER_assert_#in~cond|)} [86] __VERIFIER_assertENTRY-->L16: 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] {224#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:42:18,722 INFO L290 TraceCheckUtils]: 21: Hoare triple {224#(<= 1 __VERIFIER_assert_~cond)} [90] L16-->L17: 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[] {158#false} is VALID [2022-04-14 21:42:18,722 INFO L290 TraceCheckUtils]: 22: Hoare triple {158#false} [92] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {158#false} is VALID [2022-04-14 21:42:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 21:42:18,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 21:42:18,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:42:18,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990470619] [2022-04-14 21:42:18,724 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 21:42:18,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40093110] [2022-04-14 21:42:18,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40093110] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 21:42:18,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 21:42:18,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-14 21:42:18,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452747007] [2022-04-14 21:42:18,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 21:42:18,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-14 21:42:18,726 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:42:18,726 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 21:42:18,744 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:18,744 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-14 21:42:18,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:42:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-14 21:42:18,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-14 21:42:18,745 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 21:42:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,882 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-04-14 21:42:18,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-14 21:42:18,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-14 21:42:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:42:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 21:42:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-04-14 21:42:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 21:42:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-04-14 21:42:18,898 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 40 transitions. [2022-04-14 21:42:18,936 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:18,939 INFO L225 Difference]: With dead ends: 34 [2022-04-14 21:42:18,940 INFO L226 Difference]: Without dead ends: 34 [2022-04-14 21:42:18,940 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-14 21:42:18,942 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 21:42:18,943 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 88 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 21:42:18,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-14 21:42:18,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2022-04-14 21:42:18,950 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:42:18,950 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:18,951 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:18,952 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,956 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-04-14 21:42:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-04-14 21:42:18,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:18,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:18,959 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 34 states. [2022-04-14 21:42:18,960 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 34 states. [2022-04-14 21:42:18,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:18,967 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-04-14 21:42:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2022-04-14 21:42:18,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:18,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:18,969 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:42:18,969 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:42:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-14 21:42:18,976 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 23 [2022-04-14 21:42:18,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:42:18,977 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-14 21:42:18,978 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-14 21:42:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-14 21:42:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-14 21:42:18,984 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:42:18,984 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 21:42:19,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-14 21:42:19,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:42:19,200 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:42:19,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:42:19,200 INFO L85 PathProgramCache]: Analyzing trace with hash 815968169, now seen corresponding path program 1 times [2022-04-14 21:42:19,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:42:19,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385466225] [2022-04-14 21:42:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:42:19,216 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 21:42:19,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460375265] [2022-04-14 21:42:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:19,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:42:19,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:42:19,225 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) [2022-04-14 21:42:19,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-14 21:42:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:19,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-14 21:42:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:19,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 21:42:19,488 INFO L272 TraceCheckUtils]: 0: Hoare triple {366#true} [65] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {366#true} is VALID [2022-04-14 21:42:19,492 INFO L290 TraceCheckUtils]: 1: Hoare triple {366#true} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,493 INFO L290 TraceCheckUtils]: 2: Hoare triple {374#(<= ~counter~0 0)} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,494 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {374#(<= ~counter~0 0)} {366#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,495 INFO L272 TraceCheckUtils]: 4: Hoare triple {374#(<= ~counter~0 0)} [66] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,495 INFO L290 TraceCheckUtils]: 5: Hoare triple {374#(<= ~counter~0 0)} [69] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~k~0_1 |v_main_#t~nondet5_2|) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~k~0=v_main_~k~0_1, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~x~0, main_~k~0, main_~z~0, main_~c~0, main_~y~0] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,496 INFO L272 TraceCheckUtils]: 6: Hoare triple {374#(<= ~counter~0 0)} [71] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,496 INFO L290 TraceCheckUtils]: 7: Hoare triple {374#(<= ~counter~0 0)} [73] assume_abort_if_notENTRY-->L13: 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] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,497 INFO L290 TraceCheckUtils]: 8: Hoare triple {374#(<= ~counter~0 0)} [76] L13-->L13-2: 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[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,497 INFO L290 TraceCheckUtils]: 9: Hoare triple {374#(<= ~counter~0 0)} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,498 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {374#(<= ~counter~0 0)} {374#(<= ~counter~0 0)} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,499 INFO L272 TraceCheckUtils]: 11: Hoare triple {374#(<= ~counter~0 0)} [72] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,500 INFO L290 TraceCheckUtils]: 12: Hoare triple {374#(<= ~counter~0 0)} [73] assume_abort_if_notENTRY-->L13: 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] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,500 INFO L290 TraceCheckUtils]: 13: Hoare triple {374#(<= ~counter~0 0)} [76] L13-->L13-2: 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[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,501 INFO L290 TraceCheckUtils]: 14: Hoare triple {374#(<= ~counter~0 0)} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,501 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {374#(<= ~counter~0 0)} {374#(<= ~counter~0 0)} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,502 INFO L290 TraceCheckUtils]: 16: Hoare triple {374#(<= ~counter~0 0)} [74] L29-->L35-3: Formula: (and (= v_main_~c~0_2 1) (= v_main_~y~0_3 v_main_~z~0_6) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_6} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_6} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {374#(<= ~counter~0 0)} is VALID [2022-04-14 21:42:19,502 INFO L290 TraceCheckUtils]: 17: Hoare triple {374#(<= ~counter~0 0)} [78] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {423#(<= |main_#t~post6| 0)} is VALID [2022-04-14 21:42:19,503 INFO L290 TraceCheckUtils]: 18: Hoare triple {423#(<= |main_#t~post6| 0)} [81] L35-1-->L35-4: Formula: (not (< |v_main_#t~post6_3| 20)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {367#false} is VALID [2022-04-14 21:42:19,503 INFO L290 TraceCheckUtils]: 19: Hoare triple {367#false} [80] L35-4-->L49: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {367#false} is VALID [2022-04-14 21:42:19,503 INFO L272 TraceCheckUtils]: 20: Hoare triple {367#false} [83] L49-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {367#false} is VALID [2022-04-14 21:42:19,503 INFO L290 TraceCheckUtils]: 21: Hoare triple {367#false} [86] __VERIFIER_assertENTRY-->L16: 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] {367#false} is VALID [2022-04-14 21:42:19,504 INFO L290 TraceCheckUtils]: 22: Hoare triple {367#false} [90] L16-->L17: 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[] {367#false} is VALID [2022-04-14 21:42:19,504 INFO L290 TraceCheckUtils]: 23: Hoare triple {367#false} [92] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {367#false} is VALID [2022-04-14 21:42:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 21:42:19,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-14 21:42:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:42:19,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385466225] [2022-04-14 21:42:19,505 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 21:42:19,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460375265] [2022-04-14 21:42:19,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460375265] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 21:42:19,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 21:42:19,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-14 21:42:19,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417781399] [2022-04-14 21:42:19,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 21:42:19,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-04-14 21:42:19,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:42:19,507 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:19,525 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:19,525 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-14 21:42:19,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:42:19,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-14 21:42:19,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-14 21:42:19,526 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:19,591 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-14 21:42:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-14 21:42:19,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-04-14 21:42:19,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:42:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2022-04-14 21:42:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2022-04-14 21:42:19,598 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 31 transitions. [2022-04-14 21:42:19,622 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:19,629 INFO L225 Difference]: With dead ends: 32 [2022-04-14 21:42:19,629 INFO L226 Difference]: Without dead ends: 32 [2022-04-14 21:42:19,630 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-14 21:42:19,632 INFO L913 BasicCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-14 21:42:19,633 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-14 21:42:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-14 21:42:19,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-04-14 21:42:19,636 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:42:19,636 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:19,637 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:19,637 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:19,639 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-14 21:42:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-14 21:42:19,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:19,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:19,640 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 32 states. [2022-04-14 21:42:19,640 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 32 states. [2022-04-14 21:42:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:19,642 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-14 21:42:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-14 21:42:19,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:19,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:19,643 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:42:19,643 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:42:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-14 21:42:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-04-14 21:42:19,645 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2022-04-14 21:42:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:42:19,645 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-04-14 21:42:19,645 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-14 21:42:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-14 21:42:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-14 21:42:19,646 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 21:42:19,646 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 21:42:19,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-14 21:42:19,859 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-14 21:42:19,860 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 21:42:19,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 21:42:19,860 INFO L85 PathProgramCache]: Analyzing trace with hash -974402257, now seen corresponding path program 1 times [2022-04-14 21:42:19,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 21:42:19,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258365577] [2022-04-14 21:42:19,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:19,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 21:42:19,881 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-14 21:42:19,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108213885] [2022-04-14 21:42:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 21:42:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:42:19,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 21:42:19,883 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) [2022-04-14 21:42:19,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-14 21:42:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:19,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-14 21:42:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 21:42:19,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-14 21:42:22,631 INFO L272 TraceCheckUtils]: 0: Hoare triple {569#true} [65] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,631 INFO L290 TraceCheckUtils]: 1: Hoare triple {569#true} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {569#true} is VALID [2022-04-14 21:42:22,631 INFO L290 TraceCheckUtils]: 2: Hoare triple {569#true} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,631 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {569#true} {569#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L272 TraceCheckUtils]: 4: Hoare triple {569#true} [66] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L290 TraceCheckUtils]: 5: Hoare triple {569#true} [69] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~k~0_1 |v_main_#t~nondet5_2|) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~k~0=v_main_~k~0_1, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~x~0, main_~k~0, main_~z~0, main_~c~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L272 TraceCheckUtils]: 6: Hoare triple {569#true} [71] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L290 TraceCheckUtils]: 7: Hoare triple {569#true} [73] assume_abort_if_notENTRY-->L13: 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] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L290 TraceCheckUtils]: 8: Hoare triple {569#true} [76] L13-->L13-2: 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[] {569#true} is VALID [2022-04-14 21:42:22,632 INFO L290 TraceCheckUtils]: 9: Hoare triple {569#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {569#true} {569#true} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L272 TraceCheckUtils]: 11: Hoare triple {569#true} [72] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L290 TraceCheckUtils]: 12: Hoare triple {569#true} [73] assume_abort_if_notENTRY-->L13: 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] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L290 TraceCheckUtils]: 13: Hoare triple {569#true} [76] L13-->L13-2: 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[] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L290 TraceCheckUtils]: 14: Hoare triple {569#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:22,633 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {569#true} {569#true} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:22,634 INFO L290 TraceCheckUtils]: 16: Hoare triple {569#true} [74] L29-->L35-3: Formula: (and (= v_main_~c~0_2 1) (= v_main_~y~0_3 v_main_~z~0_6) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_6} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_6} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:22,634 INFO L290 TraceCheckUtils]: 17: Hoare triple {569#true} [78] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {569#true} is VALID [2022-04-14 21:42:22,634 INFO L290 TraceCheckUtils]: 18: Hoare triple {569#true} [82] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 20) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {569#true} is VALID [2022-04-14 21:42:22,634 INFO L272 TraceCheckUtils]: 19: Hoare triple {569#true} [84] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~z~0_10 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:22,635 INFO L290 TraceCheckUtils]: 20: Hoare triple {569#true} [86] __VERIFIER_assertENTRY-->L16: 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] {634#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:42:22,635 INFO L290 TraceCheckUtils]: 21: Hoare triple {634#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [91] L16-->L16-2: 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[] {638#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:42:22,636 INFO L290 TraceCheckUtils]: 22: Hoare triple {638#(not (= |__VERIFIER_assert_#in~cond| 0))} [94] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {638#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:42:22,637 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {638#(not (= |__VERIFIER_assert_#in~cond| 0))} {569#true} [99] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~z~0_10 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-14 21:42:22,637 INFO L290 TraceCheckUtils]: 24: Hoare triple {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [87] L36-1-->L35-4: Formula: (not (< v_main_~c~0_3 v_main_~k~0_5)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[] {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-14 21:42:22,638 INFO L290 TraceCheckUtils]: 25: Hoare triple {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [80] L35-4-->L49: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {652#(exists ((v_main_~x~0_11 Int) (main_~z~0 Int)) (and (= (+ (* v_main_~x~0_11 main_~z~0) 1) (+ v_main_~x~0_11 main_~y~0)) (= main_~x~0 (* v_main_~x~0_11 (+ (- 1) main_~z~0)))))} is VALID [2022-04-14 21:42:22,639 INFO L272 TraceCheckUtils]: 26: Hoare triple {652#(exists ((v_main_~x~0_11 Int) (main_~z~0 Int)) (and (= (+ (* v_main_~x~0_11 main_~z~0) 1) (+ v_main_~x~0_11 main_~y~0)) (= main_~x~0 (* v_main_~x~0_11 (+ (- 1) main_~z~0)))))} [83] L49-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {656#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:42:22,640 INFO L290 TraceCheckUtils]: 27: Hoare triple {656#(<= 1 |__VERIFIER_assert_#in~cond|)} [86] __VERIFIER_assertENTRY-->L16: 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] {660#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:42:22,640 INFO L290 TraceCheckUtils]: 28: Hoare triple {660#(<= 1 __VERIFIER_assert_~cond)} [90] L16-->L17: 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[] {570#false} is VALID [2022-04-14 21:42:22,641 INFO L290 TraceCheckUtils]: 29: Hoare triple {570#false} [92] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {570#false} is VALID [2022-04-14 21:42:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 21:42:22,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-14 21:42:25,399 INFO L290 TraceCheckUtils]: 29: Hoare triple {570#false} [92] L17-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {570#false} is VALID [2022-04-14 21:42:25,400 INFO L290 TraceCheckUtils]: 28: Hoare triple {660#(<= 1 __VERIFIER_assert_~cond)} [90] L16-->L17: 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[] {570#false} is VALID [2022-04-14 21:42:25,403 INFO L290 TraceCheckUtils]: 27: Hoare triple {656#(<= 1 |__VERIFIER_assert_#in~cond|)} [86] __VERIFIER_assertENTRY-->L16: 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] {660#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-14 21:42:25,405 INFO L272 TraceCheckUtils]: 26: Hoare triple {676#(= (+ main_~x~0 1) main_~y~0)} [83] L49-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* (- 1) v_main_~y~0_8) v_main_~x~0_10 1) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_10, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {656#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-14 21:42:25,406 INFO L290 TraceCheckUtils]: 25: Hoare triple {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [80] L35-4-->L49: Formula: (= v_main_~x~0_1 (* v_main_~x~0_2 (+ (- 1) v_main_~z~0_1))) InVars {main_~x~0=v_main_~x~0_2, main_~z~0=v_main_~z~0_1} OutVars{main_~x~0=v_main_~x~0_1, main_~z~0=v_main_~z~0_1} AuxVars[] AssignedVars[main_~x~0] {676#(= (+ main_~x~0 1) main_~y~0)} is VALID [2022-04-14 21:42:25,406 INFO L290 TraceCheckUtils]: 24: Hoare triple {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} [87] L36-1-->L35-4: Formula: (not (< v_main_~c~0_3 v_main_~k~0_5)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[] {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-14 21:42:25,408 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {638#(not (= |__VERIFIER_assert_#in~cond| 0))} {569#true} [99] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~z~0_10 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {645#(= (+ (* main_~z~0 main_~x~0) 1) (+ main_~y~0 main_~x~0))} is VALID [2022-04-14 21:42:25,409 INFO L290 TraceCheckUtils]: 22: Hoare triple {638#(not (= |__VERIFIER_assert_#in~cond| 0))} [94] L16-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {638#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:42:25,410 INFO L290 TraceCheckUtils]: 21: Hoare triple {695#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [91] L16-->L16-2: 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[] {638#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-14 21:42:25,412 INFO L290 TraceCheckUtils]: 20: Hoare triple {569#true} [86] __VERIFIER_assertENTRY-->L16: 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] {695#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-14 21:42:25,413 INFO L272 TraceCheckUtils]: 19: Hoare triple {569#true} [84] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~z~0_10 v_main_~x~0_9) (* (- 1) v_main_~x~0_9) (* (- 1) v_main_~y~0_7) 1) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_7, main_~x~0=v_main_~x~0_9, main_~z~0=v_main_~z~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~z~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:25,423 INFO L290 TraceCheckUtils]: 18: Hoare triple {569#true} [82] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 20) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {569#true} is VALID [2022-04-14 21:42:25,423 INFO L290 TraceCheckUtils]: 17: Hoare triple {569#true} [78] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {569#true} is VALID [2022-04-14 21:42:25,424 INFO L290 TraceCheckUtils]: 16: Hoare triple {569#true} [74] L29-->L35-3: Formula: (and (= v_main_~c~0_2 1) (= v_main_~y~0_3 v_main_~z~0_6) (= v_main_~x~0_5 1)) InVars {main_~z~0=v_main_~z~0_6} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_5, main_~z~0=v_main_~z~0_6} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:25,424 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {569#true} {569#true} [97] assume_abort_if_notEXIT-->L29: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:25,424 INFO L290 TraceCheckUtils]: 14: Hoare triple {569#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,424 INFO L290 TraceCheckUtils]: 13: Hoare triple {569#true} [76] L13-->L13-2: 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[] {569#true} is VALID [2022-04-14 21:42:25,424 INFO L290 TraceCheckUtils]: 12: Hoare triple {569#true} [73] assume_abort_if_notENTRY-->L13: 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] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L272 TraceCheckUtils]: 11: Hoare triple {569#true} [72] L28-1-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_2| (ite (<= 1 v_main_~k~0_7) 1 0)) InVars {main_~k~0=v_main_~k~0_7} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {569#true} {569#true} [96] assume_abort_if_notEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L290 TraceCheckUtils]: 9: Hoare triple {569#true} [79] L13-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L290 TraceCheckUtils]: 8: Hoare triple {569#true} [76] L13-->L13-2: 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[] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L290 TraceCheckUtils]: 7: Hoare triple {569#true} [73] assume_abort_if_notENTRY-->L13: 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] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L272 TraceCheckUtils]: 6: Hoare triple {569#true} [71] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~z~0_9) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~z~0=v_main_~z~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~z~0, assume_abort_if_not_#in~cond] {569#true} is VALID [2022-04-14 21:42:25,425 INFO L290 TraceCheckUtils]: 5: Hoare triple {569#true} [69] mainENTRY-->L28: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~k~0_1 |v_main_#t~nondet5_2|) (= v_main_~z~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_4, main_~k~0=v_main_~k~0_1, main_~z~0=v_main_~z~0_2} AuxVars[] AssignedVars[main_#t~nondet5, main_#t~nondet4, main_~x~0, main_~k~0, main_~z~0, main_~c~0, main_~y~0] {569#true} is VALID [2022-04-14 21:42:25,426 INFO L272 TraceCheckUtils]: 4: Hoare triple {569#true} [66] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,426 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {569#true} {569#true} [95] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,426 INFO L290 TraceCheckUtils]: 2: Hoare triple {569#true} [70] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,426 INFO L290 TraceCheckUtils]: 1: Hoare triple {569#true} [67] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {569#true} is VALID [2022-04-14 21:42:25,426 INFO L272 TraceCheckUtils]: 0: Hoare triple {569#true} [65] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {569#true} is VALID [2022-04-14 21:42:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-14 21:42:25,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 21:42:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258365577] [2022-04-14 21:42:25,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-14 21:42:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108213885] [2022-04-14 21:42:25,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108213885] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-14 21:42:25,427 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-14 21:42:25,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2022-04-14 21:42:25,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260449852] [2022-04-14 21:42:25,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-14 21:42:25,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2022-04-14 21:42:25,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 21:42:25,429 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-14 21:42:25,458 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:25,458 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-14 21:42:25,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 21:42:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-14 21:42:25,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-04-14 21:42:25,460 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-14 21:42:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:25,687 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-04-14 21:42:25,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-14 21:42:25,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2022-04-14 21:42:25,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 21:42:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-14 21:42:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2022-04-14 21:42:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-14 21:42:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2022-04-14 21:42:25,690 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 27 transitions. [2022-04-14 21:42:25,738 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 21:42:25,738 INFO L225 Difference]: With dead ends: 30 [2022-04-14 21:42:25,738 INFO L226 Difference]: Without dead ends: 0 [2022-04-14 21:42:25,739 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-04-14 21:42:25,740 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 11 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-14 21:42:25,740 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 122 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 8 Unchecked, 0.1s Time] [2022-04-14 21:42:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-14 21:42:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-14 21:42:25,741 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-14 21:42:25,741 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) [2022-04-14 21:42:25,741 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) [2022-04-14 21:42:25,741 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) [2022-04-14 21:42:25,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:25,741 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-14 21:42:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:42:25,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:25,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:25,741 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. [2022-04-14 21:42:25,742 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. [2022-04-14 21:42:25,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 21:42:25,742 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-14 21:42:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:42:25,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:25,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-14 21:42:25,742 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-14 21:42:25,742 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-14 21:42:25,742 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) [2022-04-14 21:42:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-14 21:42:25,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-04-14 21:42:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-14 21:42:25,743 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-14 21:42:25,743 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-04-14 21:42:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-14 21:42:25,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-14 21:42:25,746 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-14 21:42:25,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-14 21:42:25,955 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-14 21:42:25,958 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-14 21:42:25,959 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-14 21:42:25,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 09:42:25 BasicIcfg [2022-04-14 21:42:25,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-14 21:42:25,963 INFO L158 Benchmark]: Toolchain (without parser) took 8885.59ms. Allocated memory was 192.9MB in the beginning and 233.8MB in the end (delta: 40.9MB). Free memory was 139.5MB in the beginning and 180.7MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 21:42:25,963 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory was 155.6MB in the beginning and 155.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 21:42:25,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.71ms. Allocated memory was 192.9MB in the beginning and 233.8MB in the end (delta: 40.9MB). Free memory was 139.3MB in the beginning and 207.5MB in the end (delta: -68.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-04-14 21:42:25,964 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 233.8MB. Free memory was 207.5MB in the beginning and 206.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-14 21:42:25,964 INFO L158 Benchmark]: RCFGBuilder took 249.08ms. Allocated memory is still 233.8MB. Free memory was 206.1MB in the beginning and 194.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-14 21:42:25,964 INFO L158 Benchmark]: IcfgTransformer took 30.20ms. Allocated memory is still 233.8MB. Free memory was 194.8MB in the beginning and 193.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-14 21:42:25,964 INFO L158 Benchmark]: TraceAbstraction took 8337.95ms. Allocated memory is still 233.8MB. Free memory was 192.7MB in the beginning and 180.7MB in the end (delta: 12.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-04-14 21:42:25,970 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 192.9MB. Free memory was 155.6MB in the beginning and 155.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 233.71ms. Allocated memory was 192.9MB in the beginning and 233.8MB in the end (delta: 40.9MB). Free memory was 139.3MB in the beginning and 207.5MB in the end (delta: -68.2MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 233.8MB. Free memory was 207.5MB in the beginning and 206.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 249.08ms. Allocated memory is still 233.8MB. Free memory was 206.1MB in the beginning and 194.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 30.20ms. Allocated memory is still 233.8MB. Free memory was 194.8MB in the beginning and 193.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 8337.95ms. Allocated memory is still 233.8MB. Free memory was 192.7MB in the beginning and 180.7MB in the end (delta: 12.1MB). Peak memory consumption was 13.6MB. 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: 18]: 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 101 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 125 ConstructedInterpolants, 1 QuantifiedInterpolants, 272 SizeOfPredicates, 5 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 22/24 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! [2022-04-14 21:42:25,988 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...