/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 22:02:35,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 22:02:35,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 22:02:35,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 22:02:35,379 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-None-NoLbe.epf [2021-07-13 22:02:35,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 22:02:35,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 22:02:35,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 22:02:35,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 22:02:35,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 22:02:35,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 22:02:35,400 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 22:02:35,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 22:02:35,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 22:02:35,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:02:35,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 22:02:35,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 22:02:35,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 22:02:35,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 22:02:35,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 22:02:35,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 22:02:35,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 22:02:35,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 22:02:35,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 22:02:35,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 22:02:35,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 22:02:35,615 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 22:02:35,616 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 22:02:35,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2021-07-13 22:02:35,617 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2021-07-13 22:02:35,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 22:02:35,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 22:02:35,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 22:02:35,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 22:02:35,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 22:02:35,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 22:02:35,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 22:02:35,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 22:02:35,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 22:02:35,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... [2021-07-13 22:02:35,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 22:02:35,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 22:02:35,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 22:02:35,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 22:02:35,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:02:35,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 22:02:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 22:02:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 22:02:35,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 22:02:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 22:02:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 22:02:35,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 22:02:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 22:02:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 22:02:35,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 22:02:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 22:02:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 22:02:35,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-13 22:02:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-13 22:02:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-13 22:02:35,758 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 22:02:35,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 22:02:35,942 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 22:02:35,943 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:02:35 BoogieIcfgContainer [2021-07-13 22:02:35,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 22:02:35,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 22:02:35,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 22:02:35,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 22:02:35,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:02:35" (1/2) ... [2021-07-13 22:02:35,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62817460 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:02:35, skipping insertion in model container [2021-07-13 22:02:35,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:02:35" (2/2) ... [2021-07-13 22:02:35,949 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-07-13 22:02:35,952 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 22:02:35,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 22:02:35,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 22:02:35,953 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 22:02:35,994 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-13 22:02:36,011 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 22:02:36,077 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 22:02:36,077 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 22:02:36,077 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 22:02:36,078 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 22:02:36,084 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 22:02:36,085 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 22:02:36,085 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 22:02:36,085 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 22:02:36,096 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 57 transitions, 146 flow [2021-07-13 22:02:36,390 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12225 states, 12224 states have (on average 3.9794666230366493) internal successors, (48645), 12224 states have internal predecessors, (48645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:36,415 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:36,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1250978154, now seen corresponding path program 1 times [2021-07-13 22:02:36,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:36,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938909470] [2021-07-13 22:02:36,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-13 22:02:39,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:39,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938909470] [2021-07-13 22:02:39,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938909470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:39,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454130579] [2021-07-13 22:02:39,111 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 [2021-07-13 22:02:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:39,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-13 22:02:39,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:04:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-13 22:04:31,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454130579] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:04:31,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:04:31,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 59] total 124 [2021-07-13 22:04:31,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18278587] [2021-07-13 22:04:31,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 125 states [2021-07-13 22:04:31,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:04:31,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-07-13 22:04:31,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=15177, Unknown=4, NotChecked=0, Total=15500 [2021-07-13 22:04:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:04:31,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:04:31,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 125 states, 125 states have (on average 2.368) internal successors, (296), 124 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:04:31,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:46,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-13 22:06:46,083 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:06:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:06:46,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1339895395, now seen corresponding path program 2 times [2021-07-13 22:06:46,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:06:46,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408326198] [2021-07-13 22:06:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:06:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:06:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-13 22:06:47,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:06:47,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408326198] [2021-07-13 22:06:47,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408326198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:47,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710569262] [2021-07-13 22:06:47,168 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 [2021-07-13 22:06:47,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:06:47,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:06:47,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-13 22:06:47,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:06:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-07-13 22:06:48,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710569262] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:06:48,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:06:48,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 17] total 61 [2021-07-13 22:06:48,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992356865] [2021-07-13 22:06:48,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-13 22:06:48,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:06:48,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-13 22:06:48,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=3645, Unknown=0, NotChecked=0, Total=3782 [2021-07-13 22:06:48,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:06:48,761 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:06:48,770 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 3.4516129032258065) internal successors, (214), 61 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:06:48,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:06:48,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:07:03,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 22:07:03,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-13 22:07:03,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:03,471 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:07:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:07:03,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2050545020, now seen corresponding path program 3 times [2021-07-13 22:07:03,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:07:03,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167071419] [2021-07-13 22:07:03,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:07:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:07:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 698 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 22:07:13,367 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:07:13,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167071419] [2021-07-13 22:07:13,367 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167071419] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:07:13,367 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295559778] [2021-07-13 22:07:13,367 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:07:13,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-13 22:07:13,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:07:13,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 397 conjunts are in the unsatisfiable core [2021-07-13 22:07:13,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:08:16,288 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 88 [2021-07-13 22:09:04,066 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-13 22:09:31,836 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 134 [2021-07-13 22:09:50,665 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-07-13 22:09:55,744 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-13 22:10:31,195 WARN L205 SmtUtils]: Spent 4.13 s on a formula simplification that was a NOOP. DAG size: 152 [2021-07-13 22:10:52,202 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-07-13 22:11:21,756 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 162 [2021-07-13 22:12:45,094 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 165 [2021-07-13 22:13:10,846 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 168 [2021-07-13 22:14:04,794 WARN L205 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 171 [2021-07-13 22:15:47,560 WARN L205 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 179 Received shutdown request... [2021-07-13 22:17:12,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:17:12,761 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-13 22:17:12,765 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-13 22:17:12,766 WARN L196 ceAbstractionStarter]: Timeout [2021-07-13 22:17:12,766 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 10:17:12 BasicIcfg [2021-07-13 22:17:12,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-13 22:17:12,767 INFO L168 Benchmark]: Toolchain (without parser) took 877125.37 ms. Allocated memory was 221.2 MB in the beginning and 448.8 MB in the end (delta: 227.5 MB). Free memory was 201.2 MB in the beginning and 272.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 308.5 MB. Max. memory is 8.0 GB. [2021-07-13 22:17:12,767 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 221.2 MB. Free memory was 202.4 MB in the beginning and 202.4 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 22:17:12,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 221.2 MB. Free memory was 201.2 MB in the beginning and 199.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:17:12,767 INFO L168 Benchmark]: Boogie Preprocessor took 25.14 ms. Allocated memory is still 221.2 MB. Free memory was 199.8 MB in the beginning and 198.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 22:17:12,767 INFO L168 Benchmark]: RCFGBuilder took 251.31 ms. Allocated memory is still 221.2 MB. Free memory was 198.6 MB in the beginning and 184.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-13 22:17:12,767 INFO L168 Benchmark]: TraceAbstraction took 876821.66 ms. Allocated memory was 221.2 MB in the beginning and 448.8 MB in the end (delta: 227.5 MB). Free memory was 184.1 MB in the beginning and 272.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 291.7 MB. Max. memory is 8.0 GB. [2021-07-13 22:17:12,768 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 0.09 ms. Allocated memory is still 221.2 MB. Free memory was 202.4 MB in the beginning and 202.4 MB in the end (delta: 83.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.79 ms. Allocated memory is still 221.2 MB. Free memory was 201.2 MB in the beginning and 199.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.14 ms. Allocated memory is still 221.2 MB. Free memory was 199.8 MB in the beginning and 198.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 251.31 ms. Allocated memory is still 221.2 MB. Free memory was 198.6 MB in the beginning and 184.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 876821.66 ms. Allocated memory was 221.2 MB in the beginning and 448.8 MB in the end (delta: 227.5 MB). Free memory was 184.1 MB in the beginning and 272.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 291.7 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 244 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 162 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 876725.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 305.4ms, PartialOrderReductionTime: 149165.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12225occurred in iteration=0, InterpolantAutomatonStates: 110, 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: 62.1ms SsaConstructionTime, 460.9ms SatisfiabilityAnalysisTime, 116798.5ms InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 10620 SizeOfPredicates, 6 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 852/2010 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown