/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:39:11,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:39:11,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:39:11,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:39:11,278 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:39:11,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:39:11,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:39:11,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:39:11,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:39:11,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:39:11,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:39:11,457 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:39:11,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:39:11,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:39:11,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:39:11,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:39:11,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:39:11,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:39:11,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:39:11,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:39:11,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:39:11,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:39:11,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:39:11,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:39:11,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:39:11,461 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:39:11,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:39:11,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:39:11,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:39:11,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:39:11,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:39:11,762 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:39:11,763 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:39:11,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-06-06 22:39:11,765 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-06-06 22:39:11,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:39:11,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:39:11,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:39:11,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:39:11,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:39:11,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:39:11,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:39:11,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:39:11,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:39:11,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/1) ... [2021-06-06 22:39:11,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:39:11,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:39:11,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:39:11,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:39:11,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (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 [2021-06-06 22:39:11,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:39:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:39:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:39:11,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:39:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:39:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:39:11,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:39:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:39:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:39:11,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:39:12,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:39:12,132 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:39:12,134 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:39:12 BoogieIcfgContainer [2021-06-06 22:39:12,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:39:12,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:39:12,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:39:12,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:39:12,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:39:11" (1/2) ... [2021-06-06 22:39:12,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b8b8e7 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:39:12, skipping insertion in model container [2021-06-06 22:39:12,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:39:12" (2/2) ... [2021-06-06 22:39:12,140 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-06-06 22:39:12,144 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:39:12,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:39:12,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:39:12,162 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:39:12,220 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-06 22:39:12,255 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 [2021-06-06 22:39:12,337 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:39:12,337 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:39:12,337 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:39:12,338 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:39:12,338 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:39:12,338 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:39:12,338 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:39:12,338 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:39:12,379 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:12,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:12,386 INFO L82 PathProgramCache]: Analyzing trace with hash -353464976, now seen corresponding path program 1 times [2021-06-06 22:39:12,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:12,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210184690] [2021-06-06 22:39:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:39:12,526 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:12,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210184690] [2021-06-06 22:39:12,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210184690] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:39:12,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:39:12,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 22:39:12,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008105216] [2021-06-06 22:39:12,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 22:39:12,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:12,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 22:39:12,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 22:39:12,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:12,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) 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) [2021-06-06 22:39:12,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 22:39:12,613 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:12,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:12,614 INFO L82 PathProgramCache]: Analyzing trace with hash -397724710, now seen corresponding path program 1 times [2021-06-06 22:39:12,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:12,614 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482246492] [2021-06-06 22:39:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:39:12,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:12,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482246492] [2021-06-06 22:39:12,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482246492] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:39:12,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:39:12,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 22:39:12,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124519958] [2021-06-06 22:39:12,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 22:39:12,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 22:39:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 22:39:12,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:12,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-06-06 22:39:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 22:39:12,688 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:12,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:12,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1999826150, now seen corresponding path program 2 times [2021-06-06 22:39:12,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:12,689 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089682353] [2021-06-06 22:39:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 22:39:12,734 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:12,734 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089682353] [2021-06-06 22:39:12,734 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089682353] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 22:39:12,734 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 22:39:12,734 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 22:39:12,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111227241] [2021-06-06 22:39:12,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 22:39:12,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:12,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 22:39:12,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-06 22:39:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:12,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-06-06 22:39:12,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:12,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 22:39:12,795 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:12,796 INFO L82 PathProgramCache]: Analyzing trace with hash 891639268, now seen corresponding path program 3 times [2021-06-06 22:39:12,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:12,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904744824] [2021-06-06 22:39:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:13,013 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:13,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904744824] [2021-06-06 22:39:13,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904744824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:13,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692816099] [2021-06-06 22:39:13,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-06-06 22:39:13,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 22:39:13,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:39:13,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 22:39:13,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:39:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:13,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692816099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:13,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:39:13,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-06 22:39:13,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948317336] [2021-06-06 22:39:13,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 22:39:13,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:13,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 22:39:13,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-06-06 22:39:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:13,533 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:13,533 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 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) [2021-06-06 22:39:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:13,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:13,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:39:13,989 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:13,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:13,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1075935074, now seen corresponding path program 4 times [2021-06-06 22:39:13,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:13,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664339761] [2021-06-06 22:39:13,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:14,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:14,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664339761] [2021-06-06 22:39:14,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664339761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:14,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117835991] [2021-06-06 22:39:14,213 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 [2021-06-06 22:39:14,250 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:39:14,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:39:14,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 22:39:14,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:39:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:14,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117835991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:14,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:39:14,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-06 22:39:14,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596032305] [2021-06-06 22:39:14,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 22:39:14,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:14,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 22:39:14,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2021-06-06 22:39:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:14,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:14,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 22 states have internal predecessors, (46), 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) [2021-06-06 22:39:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:14,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:15,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:39:15,186 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:15,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash -636448854, now seen corresponding path program 5 times [2021-06-06 22:39:15,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:15,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775889349] [2021-06-06 22:39:15,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 22:39:15,680 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:15,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775889349] [2021-06-06 22:39:15,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775889349] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:15,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6361607] [2021-06-06 22:39:15,680 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 [2021-06-06 22:39:15,712 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 22:39:15,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:39:15,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-06 22:39:15,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:39:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:16,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6361607] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:16,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:39:16,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2021-06-06 22:39:16,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902433283] [2021-06-06 22:39:16,553 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 22:39:16,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:16,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 22:39:16,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2021-06-06 22:39:16,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:16,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:16,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 28 states have internal predecessors, (57), 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) [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:16,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:39:17,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:39:17,518 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:17,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:17,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2039874710, now seen corresponding path program 6 times [2021-06-06 22:39:17,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:17,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435565750] [2021-06-06 22:39:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-06 22:39:18,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:18,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435565750] [2021-06-06 22:39:18,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435565750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:18,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405094706] [2021-06-06 22:39:18,038 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 [2021-06-06 22:39:18,067 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 22:39:18,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:39:18,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 22:39:18,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:39:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:19,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405094706] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:19,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:39:19,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18] total 29 [2021-06-06 22:39:19,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194386909] [2021-06-06 22:39:19,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 22:39:19,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:19,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 22:39:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2021-06-06 22:39:19,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:19,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:19,134 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.033333333333333) internal successors, (61), 29 states have internal predecessors, (61), 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) [2021-06-06 22:39:19,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:39:19,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:39:20,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:39:20,241 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 22:39:20,242 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:39:20,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:39:20,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1136379434, now seen corresponding path program 7 times [2021-06-06 22:39:20,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:39:20,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044334561] [2021-06-06 22:39:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:39:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-06 22:39:20,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:39:20,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044334561] [2021-06-06 22:39:20,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044334561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:20,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462151118] [2021-06-06 22:39:20,644 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 [2021-06-06 22:39:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:39:20,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-06 22:39:20,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:39:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:39:21,942 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462151118] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:39:21,942 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:39:21,942 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 31 [2021-06-06 22:39:21,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468329008] [2021-06-06 22:39:21,943 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 22:39:21,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:39:21,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 22:39:21,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2021-06-06 22:39:21,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:21,944 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:39:21,944 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.0625) internal successors, (66), 31 states have internal predecessors, (66), 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) [2021-06-06 22:39:21,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:21,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 22:39:21,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:39:22,702 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2021-06-06 22:39:23,598 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-06-06 22:39:23,925 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 22:39:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 22:39:26,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 22:39:26,345 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:39:26,354 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 22:39:26,355 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 10:39:26 BasicIcfg [2021-06-06 22:39:26,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 22:39:26,356 INFO L168 Benchmark]: Toolchain (without parser) took 14568.56 ms. Allocated memory was 356.5 MB in the beginning and 513.8 MB in the end (delta: 157.3 MB). Free memory was 336.3 MB in the beginning and 283.5 MB in the end (delta: 52.8 MB). Peak memory consumption was 212.9 MB. Max. memory is 16.0 GB. [2021-06-06 22:39:26,356 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 356.5 MB. Free memory was 337.4 MB in the beginning and 337.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:39:26,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.42 ms. Allocated memory is still 356.5 MB. Free memory was 336.2 MB in the beginning and 334.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 22:39:26,356 INFO L168 Benchmark]: Boogie Preprocessor took 14.45 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.8 MB in the end (delta: 980.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 22:39:26,356 INFO L168 Benchmark]: RCFGBuilder took 305.04 ms. Allocated memory is still 356.5 MB. Free memory was 333.8 MB in the beginning and 321.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-06 22:39:26,357 INFO L168 Benchmark]: TraceAbstraction took 14220.53 ms. Allocated memory was 356.5 MB in the beginning and 513.8 MB in the end (delta: 157.3 MB). Free memory was 321.3 MB in the beginning and 283.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 198.2 MB. Max. memory is 16.0 GB. [2021-06-06 22:39:26,357 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 356.5 MB. Free memory was 337.4 MB in the beginning and 337.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.42 ms. Allocated memory is still 356.5 MB. Free memory was 336.2 MB in the beginning and 334.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.45 ms. Allocated memory is still 356.5 MB. Free memory was 334.8 MB in the beginning and 333.8 MB in the end (delta: 980.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 305.04 ms. Allocated memory is still 356.5 MB. Free memory was 333.8 MB in the beginning and 321.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14220.53 ms. Allocated memory was 356.5 MB in the beginning and 513.8 MB in the end (delta: 157.3 MB). Free memory was 321.3 MB in the beginning and 283.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 198.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1057, positive: 763, positive conditional: 763, positive unconditional: 0, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 827, positive: 763, positive conditional: 763, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 827, positive: 694, positive conditional: 0, positive unconditional: 694, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 827, positive: 662, positive conditional: 0, positive unconditional: 662, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 36, unknown conditional: 0, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226, SemanticConditionEliminator.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 533, negative conditional: 307, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 61, negative conditional: 57, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 36, positive conditional: 28, positive unconditional: 9, negative: 185, negative conditional: 150, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 602, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 476, negative conditional: 250, negative unconditional: 226, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 38, Positive conditional cache size: 6, Positive unconditional cache size: 32, Negative cache size: 61, Negative conditional cache size: 57, Negative unconditional cache size: 4, Eliminated conditions: 226 ], Maximal queried relation: 8, Independence queries for same thread: 230 - PositiveResult [Line: 55]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14076.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 6522.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 176, 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: 38.9ms SsaConstructionTime, 199.5ms SatisfiabilityAnalysisTime, 5941.8ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 347 ConstructedInterpolants, 0 QuantifiedInterpolants, 8482 SizeOfPredicates, 25 NumberOfNonLiveVariables, 237 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 34/375 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...