/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:56:43,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:56:43,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:56:43,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 19:56:43,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 19:56:43,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 19:56:43,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 19:56:43,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 19:56:43,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 19:56:43,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 19:56:43,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 19:56:43,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 19:56:43,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 19:56:43,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 19:56:43,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 19:56:43,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 19:56:43,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 19:56:43,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 19:56:43,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 19:56:43,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 19:56:43,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 19:56:43,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 19:56:43,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 19:56:43,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 19:56:43,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 19:56:43,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 19:56:43,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 19:56:43,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 19:56:43,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 19:56:43,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 19:56:43,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 19:56:43,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 19:56:43,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 19:56:43,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 19:56:43,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 19:56:43,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 19:56:43,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 19:56:43,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 19:56:43,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 19:56:43,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 19:56:43,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 19:56:43,399 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 [2021-07-09 19:56:43,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:56:43,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:56:43,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:56:43,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:56:43,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:56:43,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:56:43,422 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:56:43,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:56:43,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:56:43,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:56:43,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:56:43,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:56:43,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:56:43,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:56:43,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:56:43,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:56:43,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:56:43,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:56:43,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:56:43,756 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-09 19:56:43,757 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-09 19:56:43,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2021-07-09 19:56:43,758 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2021-07-09 19:56:43,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:56:43,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-09 19:56:43,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:56:43,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:56:43,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:56:43,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:56:43,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:56:43,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:56:43,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:56:43,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/1) ... [2021-07-09 19:56:43,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:56:43,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:56:43,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:56:43,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:56:43,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (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 [2021-07-09 19:56:43,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-09 19:56:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:56:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:56:43,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-09 19:56:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-09 19:56:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-09 19:56:43,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-09 19:56:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:56:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:56:43,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-09 19:56:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-09 19:56:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-09 19:56:43,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-09 19:56:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-09 19:56:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-09 19:56:43,892 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:56:44,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:56:44,122 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-09 19:56:44,123 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:56:44 BoogieIcfgContainer [2021-07-09 19:56:44,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:56:44,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:56:44,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:56:44,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:56:44,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.07 07:56:43" (1/2) ... [2021-07-09 19:56:44,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d4c31 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:56:44, skipping insertion in model container [2021-07-09 19:56:44,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:56:44" (2/2) ... [2021-07-09 19:56:44,129 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-07-09 19:56:44,133 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:56:44,134 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:56:44,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:56:44,134 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:56:44,173 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 19:56:44,192 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 [2021-07-09 19:56:44,256 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:56:44,256 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:56:44,257 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:56:44,257 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:56:44,257 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:56:44,257 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:56:44,257 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:56:44,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:56:44,277 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 57 transitions, 146 flow [2021-07-09 19:56:44,670 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) [2021-07-09 19:56:44,693 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 19:56:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:56:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1250978154, now seen corresponding path program 1 times [2021-07-09 19:56:44,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:56:44,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470621788] [2021-07-09 19:56:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:56:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:56:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-09 19:56:47,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:56:47,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470621788] [2021-07-09 19:56:47,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470621788] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:56:47,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376433200] [2021-07-09 19:56:47,606 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 [2021-07-09 19:56:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:56:47,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-09 19:56:47,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 19:58:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-09 19:58:37,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376433200] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 19:58:37,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 19:58:37,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 59] total 124 [2021-07-09 19:58:37,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975986334] [2021-07-09 19:58:37,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 125 states [2021-07-09 19:58:37,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:58:37,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2021-07-09 19:58:37,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=15179, Unknown=2, NotChecked=0, Total=15500 [2021-07-09 19:58:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:58:37,996 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:58:37,997 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) [2021-07-09 19:58:37,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:18,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-09 20:01:18,868 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:18,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1339895395, now seen corresponding path program 2 times [2021-07-09 20:01:18,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:18,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687065334] [2021-07-09 20:01:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-07-09 20:01:20,044 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:20,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687065334] [2021-07-09 20:01:20,044 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687065334] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:20,044 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914461337] [2021-07-09 20:01:20,044 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 [2021-07-09 20:01:20,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-09 20:01:20,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:20,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-09 20:01:20,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:01:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-07-09 20:01:21,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914461337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:21,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-09 20:01:21,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 17] total 61 [2021-07-09 20:01:21,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338209603] [2021-07-09 20:01:21,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-07-09 20:01:21,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 20:01:21,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-07-09 20:01:21,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=3645, Unknown=0, NotChecked=0, Total=3782 [2021-07-09 20:01:21,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:21,746 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 20:01:21,746 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) [2021-07-09 20:01:21,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:21,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 20:01:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-09 20:01:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-09 20:01:36,683 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:01:36,683 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-09 20:01:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 20:01:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash 2050545020, now seen corresponding path program 3 times [2021-07-09 20:01:36,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 20:01:36,684 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600491479] [2021-07-09 20:01:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 20:01:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 20:01:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 698 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-09 20:01:47,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 20:01:47,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600491479] [2021-07-09 20:01:47,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600491479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-09 20:01:47,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094104507] [2021-07-09 20:01:47,295 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 [2021-07-09 20:01:47,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-09 20:01:47,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-09 20:01:47,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 397 conjunts are in the unsatisfiable core [2021-07-09 20:01:47,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-09 20:03:16,118 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 104 [2021-07-09 20:03:19,567 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 116 [2021-07-09 20:04:12,119 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 134 [2021-07-09 20:04:37,000 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 140 [2021-07-09 20:04:42,438 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 146 [2021-07-09 20:05:09,711 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 152 [2021-07-09 20:05:45,509 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 155 [2021-07-09 20:06:10,029 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 162 [2021-07-09 20:07:29,188 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 165 [2021-07-09 20:07:57,346 WARN L205 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 168 [2021-07-09 20:08:57,384 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 171 [2021-07-09 20:10:25,457 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 179 Received shutdown request... [2021-07-09 20:11:14,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-09 20:11:14,005 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-09 20:11:14,010 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 20:11:14,012 WARN L196 ceAbstractionStarter]: Timeout [2021-07-09 20:11:14,012 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 08:11:14 BasicIcfg [2021-07-09 20:11:14,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 20:11:14,014 INFO L168 Benchmark]: Toolchain (without parser) took 870224.38 ms. Allocated memory was 207.6 MB in the beginning and 394.3 MB in the end (delta: 186.6 MB). Free memory was 187.2 MB in the beginning and 241.9 MB in the end (delta: -54.7 MB). Peak memory consumption was 132.6 MB. Max. memory is 8.0 GB. [2021-07-09 20:11:14,014 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 ms. Allocated memory is still 207.6 MB. Free memory is still 188.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 20:11:14,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.62 ms. Allocated memory is still 207.6 MB. Free memory was 187.2 MB in the beginning and 185.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:11:14,015 INFO L168 Benchmark]: Boogie Preprocessor took 14.23 ms. Allocated memory is still 207.6 MB. Free memory was 185.8 MB in the beginning and 184.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 20:11:14,015 INFO L168 Benchmark]: RCFGBuilder took 294.46 ms. Allocated memory is still 207.6 MB. Free memory was 184.7 MB in the beginning and 170.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-09 20:11:14,015 INFO L168 Benchmark]: TraceAbstraction took 869888.90 ms. Allocated memory was 207.6 MB in the beginning and 394.3 MB in the end (delta: 186.6 MB). Free memory was 170.1 MB in the beginning and 241.9 MB in the end (delta: -71.8 MB). Peak memory consumption was 115.8 MB. Max. memory is 8.0 GB. [2021-07-09 20:11:14,017 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 0.30 ms. Allocated memory is still 207.6 MB. Free memory is still 188.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.62 ms. Allocated memory is still 207.6 MB. Free memory was 187.2 MB in the beginning and 185.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.23 ms. Allocated memory is still 207.6 MB. Free memory was 185.8 MB in the beginning and 184.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 294.46 ms. Allocated memory is still 207.6 MB. Free memory was 184.7 MB in the beginning and 170.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869888.90 ms. Allocated memory was 207.6 MB in the beginning and 394.3 MB in the end (delta: 186.6 MB). Free memory was 170.1 MB in the beginning and 241.9 MB in the end (delta: -71.8 MB). Peak memory consumption was 115.8 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: 869784.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 402.3ms, PartialOrderReductionTime: 175420.7ms, 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: 59.8ms SsaConstructionTime, 504.1ms SatisfiabilityAnalysisTime, 115472.6ms 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