/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 09:51:22,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:51:22,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:51:22,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 09:51:22,610 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-Lockstep.epf [2021-06-17 09:51:22,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:51:22,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:51:22,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:51:22,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:51:22,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:51:22,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:51:22,641 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:51:22,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:51:22,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:51:22,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:51:22,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:51:22,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:51:22,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:51:22,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:51:22,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:51:22,645 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:51:22,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:51:22,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:51:22,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:51:22,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:51:22,927 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 09:51:22,928 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 09:51:22,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-06-17 09:51:22,929 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-06-17 09:51:22,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:51:22,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 09:51:22,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:51:22,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:51:22,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:51:22,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:51:22,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:51:22,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:51:22,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:51:22,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/1) ... [2021-06-17 09:51:22,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:51:23,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:51:23,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:51:23,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:51:23,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (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 [2021-06-17 09:51:23,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 09:51:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 09:51:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 09:51:23,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 09:51:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 09:51:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 09:51:23,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 09:51:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:51:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:51:23,060 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 09:51:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 09:51:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 09:51:23,061 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 09:51:23,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:51:23,195 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 09:51:23,196 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:51:23 BoogieIcfgContainer [2021-06-17 09:51:23,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:51:23,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:51:23,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:51:23,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:51:23,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 09:51:22" (1/2) ... [2021-06-17 09:51:23,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ba66f2 and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:51:23, skipping insertion in model container [2021-06-17 09:51:23,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:51:23" (2/2) ... [2021-06-17 09:51:23,201 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-06-17 09:51:23,205 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:51:23,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:51:23,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:51:23,206 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:51:23,230 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 09:51:23,244 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-06-17 09:51:23,313 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:51:23,313 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:51:23,313 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:51:23,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:51:23,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:51:23,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:51:23,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:51:23,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:51:23,479 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:23,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:23,483 INFO L82 PathProgramCache]: Analyzing trace with hash 434275562, now seen corresponding path program 1 times [2021-06-17 09:51:23,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:23,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920422833] [2021-06-17 09:51:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:23,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:23,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920422833] [2021-06-17 09:51:23,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920422833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:23,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280484679] [2021-06-17 09:51:23,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-17 09:51:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:23,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-17 09:51:23,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:51:23,803 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280484679] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:51:23,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 09:51:23,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-06-17 09:51:23,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619155504] [2021-06-17 09:51:23,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 09:51:23,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:23,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 09:51:23,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-17 09:51:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:23,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:23,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-06-17 09:51:23,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:24,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-17 09:51:24,109 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:24,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:24,110 INFO L82 PathProgramCache]: Analyzing trace with hash -2047864146, now seen corresponding path program 2 times [2021-06-17 09:51:24,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:24,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952976990] [2021-06-17 09:51:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:24,163 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:24,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952976990] [2021-06-17 09:51:24,163 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952976990] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:24,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740067496] [2021-06-17 09:51:24,164 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 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 [2021-06-17 09:51:24,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:51:24,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:51:24,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-17 09:51:24,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:24,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740067496] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:24,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:51:24,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-17 09:51:24,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263120961] [2021-06-17 09:51:24,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-17 09:51:24,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:24,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-17 09:51:24,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-17 09:51:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:24,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:24,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-06-17 09:51:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:24,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:24,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:24,601 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:24,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:24,602 INFO L82 PathProgramCache]: Analyzing trace with hash 830662940, now seen corresponding path program 1 times [2021-06-17 09:51:24,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:24,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545886480] [2021-06-17 09:51:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:51:24,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:24,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545886480] [2021-06-17 09:51:24,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545886480] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:24,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202026261] [2021-06-17 09:51:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-17 09:51:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:24,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 09:51:24,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-17 09:51:24,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202026261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:24,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:51:24,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-17 09:51:24,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127036296] [2021-06-17 09:51:24,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 09:51:24,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:24,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 09:51:24,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 09:51:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:24,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:24,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-06-17 09:51:24,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:24,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:24,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:25,045 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:25,046 INFO L82 PathProgramCache]: Analyzing trace with hash 751337214, now seen corresponding path program 1 times [2021-06-17 09:51:25,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:25,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396344878] [2021-06-17 09:51:25,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-17 09:51:25,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:25,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396344878] [2021-06-17 09:51:25,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396344878] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:25,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283573913] [2021-06-17 09:51:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:25,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-17 09:51:25,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-17 09:51:25,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283573913] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:51:25,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-17 09:51:25,145 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2021-06-17 09:51:25,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380519798] [2021-06-17 09:51:25,145 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-17 09:51:25,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:25,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-17 09:51:25,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-17 09:51:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:25,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:25,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-06-17 09:51:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,412 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:25,412 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:51:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:51:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash -603442850, now seen corresponding path program 2 times [2021-06-17 09:51:25,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:51:25,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945050478] [2021-06-17 09:51:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:51:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:51:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:25,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:51:25,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945050478] [2021-06-17 09:51:25,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945050478] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:25,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962020941] [2021-06-17 09:51:25,488 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:25,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 09:51:25,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 09:51:25,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-17 09:51:25,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 09:51:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:51:25,657 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962020941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 09:51:25,657 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 09:51:25,657 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-17 09:51:25,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144991608] [2021-06-17 09:51:25,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 09:51:25,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:51:25,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 09:51:25,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-17 09:51:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:25,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:51:25,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-06-17 09:51:25,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:25,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:25,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:51:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 09:51:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 09:51:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 09:51:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 09:51:26,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 09:51:26,055 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 09:51:26,057 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 09:51:26 BasicIcfg [2021-06-17 09:51:26,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 09:51:26,057 INFO L168 Benchmark]: Toolchain (without parser) took 3094.82 ms. Allocated memory is still 175.1 MB. Free memory was 153.9 MB in the beginning and 70.1 MB in the end (delta: 83.8 MB). Peak memory consumption was 84.3 MB. Max. memory is 8.0 GB. [2021-06-17 09:51:26,057 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 155.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 09:51:26,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.90 ms. Allocated memory is still 175.1 MB. Free memory was 153.8 MB in the beginning and 152.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:51:26,058 INFO L168 Benchmark]: Boogie Preprocessor took 13.51 ms. Allocated memory is still 175.1 MB. Free memory was 152.4 MB in the beginning and 151.4 MB in the end (delta: 950.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:51:26,058 INFO L168 Benchmark]: RCFGBuilder took 196.44 ms. Allocated memory is still 175.1 MB. Free memory was 151.4 MB in the beginning and 140.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 09:51:26,058 INFO L168 Benchmark]: TraceAbstraction took 2859.36 ms. Allocated memory is still 175.1 MB. Free memory was 139.6 MB in the beginning and 70.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.6 MB. Max. memory is 8.0 GB. [2021-06-17 09:51:26,058 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 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 155.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.90 ms. Allocated memory is still 175.1 MB. Free memory was 153.8 MB in the beginning and 152.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.51 ms. Allocated memory is still 175.1 MB. Free memory was 152.4 MB in the beginning and 151.4 MB in the end (delta: 950.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 196.44 ms. Allocated memory is still 175.1 MB. Free memory was 151.4 MB in the beginning and 140.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2859.36 ms. Allocated memory is still 175.1 MB. Free memory was 139.6 MB in the beginning and 70.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.6 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: 3946, positive: 3393, positive conditional: 2655, positive unconditional: 738, negative: 553, negative conditional: 537, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3430, positive: 3393, positive conditional: 2655, positive unconditional: 738, negative: 37, negative conditional: 21, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3430, positive: 3154, positive conditional: 0, positive unconditional: 3154, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 392, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 392, positive: 368, positive conditional: 0, positive unconditional: 368, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3430, positive: 2778, positive conditional: 0, positive unconditional: 2778, negative: 260, negative conditional: 0, negative unconditional: 260, unknown: 392, unknown conditional: 0, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287 ], Maximal queried relation: 5, Independence queries for same thread: 516 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 293, Number of persistent set computation: 1860, Number of trivial persistent sets: 1632, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3946, positive: 3393, positive conditional: 2655, positive unconditional: 738, negative: 553, negative conditional: 537, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3430, positive: 3393, positive conditional: 2655, positive unconditional: 738, negative: 37, negative conditional: 21, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3430, positive: 3154, positive conditional: 0, positive unconditional: 3154, negative: 276, negative conditional: 0, negative unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 392, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 392, positive: 368, positive conditional: 0, positive unconditional: 368, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3430, positive: 2778, positive conditional: 0, positive unconditional: 2778, negative: 260, negative conditional: 0, negative unconditional: 260, unknown: 392, unknown conditional: 0, unknown unconditional: 392] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287, SemanticConditionEliminator.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, positive: 239, positive conditional: 239, positive unconditional: 0, negative: 436, negative conditional: 135, negative unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, positive: 40, positive conditional: 32, positive unconditional: 8, negative: 24, negative conditional: 8, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 64, positive conditional: 40, positive unconditional: 24, negative: 76, negative conditional: 8, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 675, positive: 207, positive conditional: 207, positive unconditional: 0, negative: 428, negative conditional: 127, negative unconditional: 301, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 408, Positive conditional cache size: 32, Positive unconditional cache size: 376, Negative cache size: 24, Negative conditional cache size: 8, Negative unconditional cache size: 16, Eliminated conditions: 287 ], Maximal queried relation: 5, Independence queries for same thread: 516 - 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 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2800.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.5ms, PartialOrderReductionTime: 614.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 44.1ms SsaConstructionTime, 130.6ms SatisfiabilityAnalysisTime, 518.3ms InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 415 SizeOfPredicates, 2 NumberOfNonLiveVariables, 285 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 96/112 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...