/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:58:07,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:58:07,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:58:07,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 22:58:07,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:58:07,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:58:07,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:58:07,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:58:07,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:58:07,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:58:07,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:58:07,610 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:58:07,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:58:07,610 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:58:07,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:58:07,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:58:07,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:58:07,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:58:07,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:58:07,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:58:07,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:58:07,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:58:07,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:58:07,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:58:07,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:58:07,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:58:07,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:58:07,615 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:58:07,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:58:07,615 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:58:07,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:58:07,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:58:07,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:58:07,935 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:58:07,936 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:58:07,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-07-14 22:58:07,937 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-07-14 22:58:07,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:58:07,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:58:07,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:58:07,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:58:07,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:58:07,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:07,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:07,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:58:07,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:58:07,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:58:07,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:58:07,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:07,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:07,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:08,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:08,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:08,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:08,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... [2021-07-14 22:58:08,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:58:08,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:58:08,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:58:08,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:58:08,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:58:08,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:58:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:58:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:58:08,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:58:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:58:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:58:08,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:58:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:58:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:58:08,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:58:08,282 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:58:08,283 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 22:58:08,285 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:58:08 BoogieIcfgContainer [2021-07-14 22:58:08,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:58:08,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:58:08,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:58:08,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:58:08,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:58:07" (1/2) ... [2021-07-14 22:58:08,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df87359 and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:58:08, skipping insertion in model container [2021-07-14 22:58:08,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:58:08" (2/2) ... [2021-07-14 22:58:08,291 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-07-14 22:58:08,296 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:58:08,296 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:58:08,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:58:08,297 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:58:08,324 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 22:58:08,343 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:58:08,462 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:58:08,462 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:58:08,462 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:58:08,462 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:58:08,463 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:58:08,463 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:58:08,463 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:58:08,463 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:58:08,594 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:08,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:08,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1620049623, now seen corresponding path program 1 times [2021-07-14 22:58:08,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:08,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920137929] [2021-07-14 22:58:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:08,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:08,756 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920137929] [2021-07-14 22:58:08,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920137929] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:58:08,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:58:08,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:58:08,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407501794] [2021-07-14 22:58:08,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:58:08,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:08,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:58:08,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:58:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:08,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:08,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-07-14 22:58:08,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:08,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:08,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:58:08,797 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:08,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:08,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1217558278, now seen corresponding path program 1 times [2021-07-14 22:58:08,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:08,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729835367] [2021-07-14 22:58:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:08,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:08,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729835367] [2021-07-14 22:58:08,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729835367] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:58:08,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:58:08,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:58:08,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805285820] [2021-07-14 22:58:08,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:58:08,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:08,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:58:08,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:58:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:08,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:08,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-07-14 22:58:08,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:08,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:08,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:08,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:58:08,943 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:08,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1671606046, now seen corresponding path program 1 times [2021-07-14 22:58:08,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:08,944 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513286560] [2021-07-14 22:58:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 22:58:08,969 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:08,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513286560] [2021-07-14 22:58:08,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513286560] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:58:08,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:58:08,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 22:58:08,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895132741] [2021-07-14 22:58:08,971 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 22:58:08,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:08,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 22:58:08,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 22:58:08,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:08,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:08,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-07-14 22:58:08,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:08,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:08,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 22:58:09,010 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:09,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:09,011 INFO L82 PathProgramCache]: Analyzing trace with hash -638859366, now seen corresponding path program 2 times [2021-07-14 22:58:09,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:09,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672003930] [2021-07-14 22:58:09,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:09,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:09,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672003930] [2021-07-14 22:58:09,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672003930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:09,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096823793] [2021-07-14 22:58:09,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:09,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:58:09,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:58:09,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 22:58:09,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:58:09,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 22:58:09,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:58:09,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:58:09,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:58:09,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 22:58:09,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 22:58:09,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:58:09,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:58:09,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:58:09,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 22:58:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:09,553 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096823793] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:09,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:58:09,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-14 22:58:09,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936334464] [2021-07-14 22:58:09,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 22:58:09,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 22:58:09,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-07-14 22:58:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:09,555 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:09,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 13 states have internal predecessors, (34), 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) [2021-07-14 22:58:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:09,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:09,921 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:09,921 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:09,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:09,921 INFO L82 PathProgramCache]: Analyzing trace with hash -112920739, now seen corresponding path program 3 times [2021-07-14 22:58:09,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:09,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179000255] [2021-07-14 22:58:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:09,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:09,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179000255] [2021-07-14 22:58:09,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179000255] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:58:09,974 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:58:09,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:58:09,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829368453] [2021-07-14 22:58:09,974 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 22:58:09,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:09,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 22:58:09,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-14 22:58:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:09,975 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:09,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-07-14 22:58:09,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:09,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:09,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:09,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:58:10,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 22:58:10,028 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:10,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:10,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1036943966, now seen corresponding path program 4 times [2021-07-14 22:58:10,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:10,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306095102] [2021-07-14 22:58:10,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-07-14 22:58:10,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:10,131 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306095102] [2021-07-14 22:58:10,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306095102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:10,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509802410] [2021-07-14 22:58:10,132 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:10,171 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:58:10,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:58:10,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 22:58:10,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:58:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 22:58:10,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509802410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:10,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:58:10,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-07-14 22:58:10,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251946579] [2021-07-14 22:58:10,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:58:10,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:10,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:58:10,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:58:10,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:10,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:10,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:58:10,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:58:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:58:10,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:10,596 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 22:58:10,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:58:10,597 INFO L82 PathProgramCache]: Analyzing trace with hash 2061130079, now seen corresponding path program 5 times [2021-07-14 22:58:10,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:58:10,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618238526] [2021-07-14 22:58:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:58:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:58:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:11,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:58:11,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618238526] [2021-07-14 22:58:11,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618238526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:11,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013596066] [2021-07-14 22:58:11,059 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:11,102 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 22:58:11,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:58:11,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 22:58:11,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:58:11,407 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:58:11,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2021-07-14 22:58:11,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:58:11,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:58:11,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:58:11,423 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:18 [2021-07-14 22:58:11,461 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-07-14 22:58:11,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-07-14 22:58:11,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 22:58:11,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 22:58:11,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 22:58:11,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:5 [2021-07-14 22:58:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 22:58:11,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013596066] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:58:11,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:58:11,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 24 [2021-07-14 22:58:11,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042421652] [2021-07-14 22:58:11,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 22:58:11,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:58:11,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 22:58:11,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2021-07-14 22:58:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:11,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:58:11,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 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) [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:58:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:58:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:58:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 22:58:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 22:58:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:58:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 22:58:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 22:58:12,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:58:12,529 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 22:58:12,531 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 10:58:12 BasicIcfg [2021-07-14 22:58:12,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 22:58:12,532 INFO L168 Benchmark]: Toolchain (without parser) took 4566.25 ms. Allocated memory was 217.1 MB in the beginning and 261.1 MB in the end (delta: 44.0 MB). Free memory was 197.2 MB in the beginning and 121.3 MB in the end (delta: 75.9 MB). Peak memory consumption was 121.0 MB. Max. memory is 8.0 GB. [2021-07-14 22:58:12,532 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 217.1 MB. Free memory is still 198.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:58:12,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:58:12,532 INFO L168 Benchmark]: Boogie Preprocessor took 13.01 ms. Allocated memory is still 217.1 MB. Free memory was 195.6 MB in the beginning and 194.7 MB in the end (delta: 955.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:58:12,532 INFO L168 Benchmark]: RCFGBuilder took 278.05 ms. Allocated memory is still 217.1 MB. Free memory was 194.6 MB in the beginning and 181.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 22:58:12,533 INFO L168 Benchmark]: TraceAbstraction took 4245.34 ms. Allocated memory was 217.1 MB in the beginning and 261.1 MB in the end (delta: 44.0 MB). Free memory was 181.0 MB in the beginning and 121.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 105.2 MB. Max. memory is 8.0 GB. [2021-07-14 22:58:12,533 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 0.11 ms. Allocated memory is still 217.1 MB. Free memory is still 198.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.01 ms. Allocated memory is still 217.1 MB. Free memory was 195.6 MB in the beginning and 194.7 MB in the end (delta: 955.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 278.05 ms. Allocated memory is still 217.1 MB. Free memory was 194.6 MB in the beginning and 181.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4245.34 ms. Allocated memory was 217.1 MB in the beginning and 261.1 MB in the end (delta: 44.0 MB). Free memory was 181.0 MB in the beginning and 121.3 MB in the end (delta: 59.7 MB). Peak memory consumption was 105.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1049, positive: 844, positive conditional: 561, positive unconditional: 283, negative: 205, negative conditional: 190, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 878, positive: 844, positive conditional: 561, positive unconditional: 283, negative: 34, negative conditional: 19, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 878, positive: 812, positive conditional: 0, positive unconditional: 812, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 192, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 878, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133 ], Maximal queried relation: 7, Independence queries for same thread: 171 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 116, Number of persistent set computation: 44, Number of trivial persistent sets: 32, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1049, positive: 844, positive conditional: 561, positive unconditional: 283, negative: 205, negative conditional: 190, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 878, positive: 844, positive conditional: 561, positive unconditional: 283, negative: 34, negative conditional: 19, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 878, positive: 812, positive conditional: 0, positive unconditional: 812, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 192, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 192, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 878, positive: 625, positive conditional: 0, positive unconditional: 625, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 192, unknown conditional: 0, unknown unconditional: 192] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133, SemanticConditionEliminator.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 259, negative conditional: 93, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 29, negative conditional: 24, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 53, positive conditional: 8, positive unconditional: 44, negative: 86, negative conditional: 48, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 235, negative conditional: 69, negative unconditional: 166, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 193, Positive conditional cache size: 6, Positive unconditional cache size: 187, Negative cache size: 29, Negative conditional cache size: 24, Negative unconditional cache size: 5, Eliminated conditions: 133 ], Maximal queried relation: 7, Independence queries for same thread: 171 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4170.7ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 1266.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.9ms SsaConstructionTime, 132.4ms SatisfiabilityAnalysisTime, 1722.0ms InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 274 ConstructedInterpolants, 4 QuantifiedInterpolants, 1406 SizeOfPredicates, 17 NumberOfNonLiveVariables, 214 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 97/138 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! Received shutdown request...