/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/in-de20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 04:08:19,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 04:08:19,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 04:08:19,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 04:08:19,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 04:08:19,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 04:08:19,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 04:08:19,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-04-08 04:08:19,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 04:08:19,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 04:08:19,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 04:08:19,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 04:08:19,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 04:08:19,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-08 04:08:19,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 04:08:19,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 04:08:19,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:08:19,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-04-08 04:08:19,151 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 04:08:19,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 04:08:19,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 04:08:19,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 04:08:19,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 04:08:19,371 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 04:08:19,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/in-de20.c [2022-04-08 04:08:19,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca25802f/53bdfd17ddb04ac3a610fc14584d35ed/FLAGb6606e1d7 [2022-04-08 04:08:19,752 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 04:08:19,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/in-de20.c [2022-04-08 04:08:19,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca25802f/53bdfd17ddb04ac3a610fc14584d35ed/FLAGb6606e1d7 [2022-04-08 04:08:19,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca25802f/53bdfd17ddb04ac3a610fc14584d35ed [2022-04-08 04:08:19,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 04:08:19,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 04:08:19,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 04:08:19,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 04:08:19,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 04:08:19,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:19,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59287236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19, skipping insertion in model container [2022-04-08 04:08:19,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:19,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 04:08:19,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 04:08:19,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/in-de20.c[368,381] [2022-04-08 04:08:19,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:08:19,958 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 04:08:19,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/in-de20.c[368,381] [2022-04-08 04:08:19,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 04:08:19,981 INFO L208 MainTranslator]: Completed translation [2022-04-08 04:08:19,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19 WrapperNode [2022-04-08 04:08:19,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 04:08:19,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 04:08:19,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 04:08:19,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 04:08:19,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:19,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:19,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:19,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:20,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:20,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:20,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:20,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 04:08:20,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 04:08:20,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 04:08:20,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 04:08:20,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (1/1) ... [2022-04-08 04:08:20,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 04:08:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 04:08:20,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-08 04:08:20,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-08 04:08:20,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 04:08:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 04:08:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 04:08:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 04:08:20,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 04:08:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 04:08:20,087 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 04:08:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 04:08:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 04:08:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-08 04:08:20,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 04:08:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 04:08:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 04:08:20,139 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 04:08:20,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 04:08:20,244 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 04:08:20,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 04:08:20,251 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-08 04:08:20,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:08:20 BoogieIcfgContainer [2022-04-08 04:08:20,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 04:08:20,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 04:08:20,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 04:08:20,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 04:08:20,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 04:08:19" (1/3) ... [2022-04-08 04:08:20,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2c94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:08:20, skipping insertion in model container [2022-04-08 04:08:20,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 04:08:19" (2/3) ... [2022-04-08 04:08:20,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b2c94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 04:08:20, skipping insertion in model container [2022-04-08 04:08:20,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 04:08:20" (3/3) ... [2022-04-08 04:08:20,260 INFO L111 eAbstractionObserver]: Analyzing ICFG in-de20.c [2022-04-08 04:08:20,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 04:08:20,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 04:08:20,295 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 04:08:20,301 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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 [2022-04-08 04:08:20,301 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 04:08:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 04:08:20,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-08 04:08:20,322 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:08:20,323 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:08:20,323 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:08:20,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:08:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash 449096471, now seen corresponding path program 1 times [2022-04-08 04:08:20,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:08:20,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [441919416] [2022-04-08 04:08:20,343 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 04:08:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash 449096471, now seen corresponding path program 2 times [2022-04-08 04:08:20,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 04:08:20,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625214674] [2022-04-08 04:08:20,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 04:08:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 04:08:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:08:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 04:08:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 04:08:20,712 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); {24#true} is VALID [2022-04-08 04:08:20,712 INFO L290 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2022-04-08 04:08:20,713 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #50#return; {24#true} is VALID [2022-04-08 04:08:20,715 INFO L272 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 04:08:20,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2);call #Ultimate.allocInit(12, 3); {24#true} is VALID [2022-04-08 04:08:20,715 INFO L290 TraceCheckUtils]: 2: Hoare triple {24#true} assume true; {24#true} is VALID [2022-04-08 04:08:20,715 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24#true} {24#true} #50#return; {24#true} is VALID [2022-04-08 04:08:20,715 INFO L272 TraceCheckUtils]: 4: Hoare triple {24#true} call #t~ret9 := main(); {24#true} is VALID [2022-04-08 04:08:20,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {24#true} ~n~0 := #t~nondet4;havoc #t~nondet4;~x~0 := ~n~0;~y~0 := 0;havoc ~z~0; {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} is VALID [2022-04-08 04:08:20,717 INFO L290 TraceCheckUtils]: 6: Hoare triple {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} assume !(~x~0 % 4294967296 > 0); {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} is VALID [2022-04-08 04:08:20,718 INFO L290 TraceCheckUtils]: 7: Hoare triple {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} ~z~0 := ~y~0; {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} is VALID [2022-04-08 04:08:20,719 INFO L290 TraceCheckUtils]: 8: Hoare triple {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} assume !(~z~0 % 4294967296 > 0); {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} is VALID [2022-04-08 04:08:20,720 INFO L272 TraceCheckUtils]: 9: Hoare triple {29#(= 0 (+ main_~x~0 (* (- 1) main_~n~0)))} call __VERIFIER_assert((if ~x~0 % 4294967296 == ~n~0 % 4294967296 then 1 else 0)); {30#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-08 04:08:20,721 INFO L290 TraceCheckUtils]: 10: Hoare triple {30#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {31#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 04:08:20,722 INFO L290 TraceCheckUtils]: 11: Hoare triple {31#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {25#false} is VALID [2022-04-08 04:08:20,722 INFO L290 TraceCheckUtils]: 12: Hoare triple {25#false} assume !false; {25#false} is VALID [2022-04-08 04:08:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 04:08:20,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 04:08:20,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625214674] [2022-04-08 04:08:20,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625214674] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:08:20,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:08:20,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 04:08:20,727 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 04:08:20,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [441919416] [2022-04-08 04:08:20,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [441919416] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 04:08:20,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 04:08:20,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 04:08:20,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603524233] [2022-04-08 04:08:20,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 04:08:20,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-08 04:08:20,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 04:08:20,741 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:20,784 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:08:20,785 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 04:08:20,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 04:08:20,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 04:08:20,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-08 04:08:20,808 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 14 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:08:21,164 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2022-04-08 04:08:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-08 04:08:21,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-08 04:08:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 04:08:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 59 transitions. [2022-04-08 04:08:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 59 transitions. [2022-04-08 04:08:21,180 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 59 transitions. [2022-04-08 04:08:21,243 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:08:21,250 INFO L225 Difference]: With dead ends: 46 [2022-04-08 04:08:21,250 INFO L226 Difference]: Without dead ends: 17 [2022-04-08 04:08:21,253 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-08 04:08:21,256 INFO L913 BasicCegarLoop]: 16 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 04:08:21,256 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 37 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 04:08:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-04-08 04:08:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-04-08 04:08:21,280 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 04:08:21,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,281 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,282 INFO L87 Difference]: Start difference. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:08:21,284 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-04-08 04:08:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-08 04:08:21,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:08:21,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:08:21,285 INFO L74 IsIncluded]: Start isIncluded. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states. [2022-04-08 04:08:21,285 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states. [2022-04-08 04:08:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 04:08:21,287 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-04-08 04:08:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-08 04:08:21,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 04:08:21,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 04:08:21,288 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 04:08:21,288 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 04:08:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-04-08 04:08:21,291 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2022-04-08 04:08:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 04:08:21,291 INFO L478 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-04-08 04:08:21,291 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 04:08:21,291 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 19 transitions. [2022-04-08 04:08:21,312 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 04:08:21,312 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-08 04:08:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-08 04:08:21,318 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 04:08:21,318 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 04:08:21,318 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 04:08:21,319 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 04:08:21,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 04:08:21,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1071583787, now seen corresponding path program 1 times [2022-04-08 04:08:21,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 04:08:21,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [111251471] [2022-04-08 04:08:22,392 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-04-08 04:08:22,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: free variables [|v_main_#t~post8_4|, |v_main_#t~post7_4|] at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:324) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.PredicateHelper.normalizeTerm(PredicateHelper.java:201) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:254) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAcceleratedInterpolation.construct(IpTcStrategyModuleAcceleratedInterpolation.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:412) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-04-08 04:08:22,400 INFO L158 Benchmark]: Toolchain (without parser) took 2630.40ms. Allocated memory was 175.1MB in the beginning and 210.8MB in the end (delta: 35.7MB). Free memory was 124.2MB in the beginning and 99.4MB in the end (delta: 24.8MB). Peak memory consumption was 59.6MB. Max. memory is 8.0GB. [2022-04-08 04:08:22,400 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 04:08:22,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.12ms. Allocated memory was 175.1MB in the beginning and 210.8MB in the end (delta: 35.7MB). Free memory was 124.0MB in the beginning and 187.4MB in the end (delta: -63.4MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2022-04-08 04:08:22,401 INFO L158 Benchmark]: Boogie Preprocessor took 23.69ms. Allocated memory is still 210.8MB. Free memory was 187.4MB in the beginning and 185.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 04:08:22,401 INFO L158 Benchmark]: RCFGBuilder took 245.07ms. Allocated memory is still 210.8MB. Free memory was 185.8MB in the beginning and 174.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-08 04:08:22,402 INFO L158 Benchmark]: TraceAbstraction took 2144.64ms. Allocated memory is still 210.8MB. Free memory was 174.3MB in the beginning and 99.4MB in the end (delta: 74.9MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2022-04-08 04:08:22,404 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 175.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.12ms. Allocated memory was 175.1MB in the beginning and 210.8MB in the end (delta: 35.7MB). Free memory was 124.0MB in the beginning and 187.4MB in the end (delta: -63.4MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.69ms. Allocated memory is still 210.8MB. Free memory was 187.4MB in the beginning and 185.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 245.07ms. Allocated memory is still 210.8MB. Free memory was 185.8MB in the beginning and 174.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2144.64ms. Allocated memory is still 210.8MB. Free memory was 174.3MB in the beginning and 99.4MB in the end (delta: 74.9MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: free variables [|v_main_#t~post8_4|, |v_main_#t~post7_4|] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: free variables [|v_main_#t~post8_4|, |v_main_#t~post7_4|]: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-08 04:08:22,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...