/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_parameter.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:34:53,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:34:53,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:34:53,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 20:34:53,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:34:53,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:34:53,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:34:53,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:34:53,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:34:53,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:34:53,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:34:53,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:34:53,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:34:53,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:34:53,658 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:34:53,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:34:53,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:34:53,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:34:53,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:34:53,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:34:53,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:34:53,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:34:53,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:34:53,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:34:53,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:34:53,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:34:53,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:34:53,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:34:53,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:34:53,662 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:34:53,662 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:34:53,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:34:53,662 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:34:53,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:34:53,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:34:53,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:34:53,850 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-15 20:34:53,850 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-15 20:34:53,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_parameter.bpl [2022-03-15 20:34:53,852 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_parameter.bpl' [2022-03-15 20:34:53,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:34:53,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-15 20:34:53,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:34:53,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:34:53,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:34:53,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,885 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-15 20:34:53,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:34:53,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:34:53,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:34:53,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:34:53,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:34:53,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:34:53,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:34:53,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:34:53,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/1) ... [2022-03-15 20:34:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:34:53,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:34:53,945 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) [2022-03-15 20:34:53,960 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 [2022-03-15 20:34:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure add [2022-03-15 20:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2022-03-15 20:34:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:34:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:34:53,985 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:34:54,034 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:34:54,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:34:54,112 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:34:54,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:34:54,118 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:34:54,120 INFO L202 PluginConnector]: Adding new model fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:34:54 BoogieIcfgContainer [2022-03-15 20:34:54,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:34:54,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:34:54,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:34:54,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:34:54,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.03 08:34:53" (1/2) ... [2022-03-15 20:34:54,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba9a901 and model type fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:34:54, skipping insertion in model container [2022-03-15 20:34:54,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:34:54" (2/2) ... [2022-03-15 20:34:54,126 INFO L111 eAbstractionObserver]: Analyzing ICFG fork_multiple_parameter.bpl [2022-03-15 20:34:54,132 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:34:54,132 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:34:54,132 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 20:34:54,133 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:34:54,153 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,154 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,154 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,155 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,155 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,155 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,155 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_sum not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,156 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,156 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_num2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,156 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_sum not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,159 WARN L322 ript$VariableManager]: TermVariabe addThread1of1ForFork0_sum not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:34:54,162 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 20:34:54,204 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:34:54,212 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:34:54,212 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 20:34:54,219 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:34:54,226 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 13 transitions, 34 flow [2022-03-15 20:34:54,228 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 13 transitions, 34 flow [2022-03-15 20:34:54,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 17 places, 13 transitions, 34 flow [2022-03-15 20:34:54,245 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2022-03-15 20:34:54,245 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-03-15 20:34:54,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 12 events. 0/12 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 4 event pairs, 0 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-03-15 20:34:54,247 INFO L116 LiptonReduction]: Number of co-enabled transitions 8 [2022-03-15 20:34:54,367 INFO L131 LiptonReduction]: Checked pairs total: 13 [2022-03-15 20:34:54,367 INFO L133 LiptonReduction]: Total number of compositions: 4 [2022-03-15 20:34:54,372 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 9 transitions, 26 flow [2022-03-15 20:34:54,378 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-03-15 20:34:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-03-15 20:34:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-03-15 20:34:54,382 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:34:54,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-03-15 20:34:54,383 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting addErr0ASSERT_VIOLATIONASSERT === [addErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, addErr0ASSERT_VIOLATIONASSERT] === [2022-03-15 20:34:54,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:34:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash 60505, now seen corresponding path program 1 times [2022-03-15 20:34:54,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:34:54,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377069741] [2022-03-15 20:34:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:34:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:34:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:34:54,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:34:54,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:34:54,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377069741] [2022-03-15 20:34:54,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377069741] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:34:54,536 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:34:54,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:34:54,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1106506721] [2022-03-15 20:34:54,537 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:34:54,538 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:34:54,545 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2022-03-15 20:34:54,546 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:34:54,548 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:34:54,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:34:54,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:34:54,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:34:54,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 20:34:54,581 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-03-15 20:34:54,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:34:54,623 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2022-03-15 20:34:54,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:34:54,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) Word has length 3 [2022-03-15 20:34:54,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:34:54,628 INFO L225 Difference]: With dead ends: 8 [2022-03-15 20:34:54,628 INFO L226 Difference]: Without dead ends: 8 [2022-03-15 20:34:54,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:34:54,631 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:34:54,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 2 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:34:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-03-15 20:34:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-03-15 20:34:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-03-15 20:34:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-03-15 20:34:54,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 3 [2022-03-15 20:34:54,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:34:54,655 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-03-15 20:34:54,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-03-15 20:34:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-03-15 20:34:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 20:34:54,656 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:34:54,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 20:34:54,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:34:54,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [addErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, addErr0ASSERT_VIOLATIONASSERT] === [2022-03-15 20:34:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:34:54,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1802816764, now seen corresponding path program 1 times [2022-03-15 20:34:54,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:34:54,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176267227] [2022-03-15 20:34:54,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:34:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:34:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:34:54,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:34:54,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:34:54,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176267227] [2022-03-15 20:34:54,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176267227] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:34:54,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:34:54,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:34:54,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [22898497] [2022-03-15 20:34:54,747 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:34:54,747 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:34:54,748 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 8 transitions. [2022-03-15 20:34:54,748 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:34:54,787 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [77#(and (<= ULTIMATE.start_x (+ addThread1of1ForFork0_num2 1)) (<= (+ addThread1of1ForFork0_num2 1) ULTIMATE.start_x))] [2022-03-15 20:34:54,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:34:54,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:34:54,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:34:54,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-03-15 20:34:54,789 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-03-15 20:34:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:34:54,911 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2022-03-15 20:34:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 20:34:54,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) Word has length 6 [2022-03-15 20:34:54,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:34:54,912 INFO L225 Difference]: With dead ends: 7 [2022-03-15 20:34:54,912 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:34:54,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:34:54,926 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:34:54,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 3 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:34:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:34:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:34:54,928 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) [2022-03-15 20:34:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:34:54,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-03-15 20:34:54,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:34:54,928 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:34:54,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-03-15 20:34:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:34:54,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:34:54,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location addErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-15 20:34:54,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 4 remaining) [2022-03-15 20:34:54,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-03-15 20:34:54,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location addErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2022-03-15 20:34:54,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:34:54,934 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-15 20:34:54,937 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:34:54,937 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:34:54,943 INFO L202 PluginConnector]: Adding new model fork_multiple_parameter.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:34:54 BasicIcfg [2022-03-15 20:34:54,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:34:54,944 INFO L158 Benchmark]: Toolchain (without parser) took 1076.09ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 135.9MB in the beginning and 248.1MB in the end (delta: -112.2MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2022-03-15 20:34:54,944 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:34:54,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.61ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 134.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:34:54,948 INFO L158 Benchmark]: Boogie Preprocessor took 8.70ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 133.4MB in the end (delta: 874.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:34:54,949 INFO L158 Benchmark]: RCFGBuilder took 224.36ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 125.7MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-15 20:34:54,949 INFO L158 Benchmark]: TraceAbstraction took 821.68ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 125.2MB in the beginning and 248.1MB in the end (delta: -122.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:34:54,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.61ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 134.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.70ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 133.4MB in the end (delta: 874.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 224.36ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 125.7MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 821.68ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 125.2MB in the beginning and 248.1MB in the end (delta: -122.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 17 PlacesBefore, 13 PlacesAfterwards, 13 TransitionsBefore, 9 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - 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: 32]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:34:54,979 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...