/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-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 13:39:40,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 13:39:40,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 13:39:40,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 13:39:40,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 13:39:40,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 13:39:40,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 13:39:40,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 13:39:40,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 13:39:40,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 13:39:40,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 13:39:40,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 13:39:40,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 13:39:40,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 13:39:40,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 13:39:40,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 13:39:40,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 13:39:40,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 13:39:40,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 13:39:40,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 13:39:40,487 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-NewStatesSleepUncond-NoLbe.epf [2021-04-15 13:39:40,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 13:39:40,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 13:39:40,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 13:39:40,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 13:39:40,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 13:39:40,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 13:39:40,533 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 13:39:40,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 13:39:40,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 13:39:40,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 13:39:40,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 13:39:40,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 13:39:40,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 13:39:40,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 13:39:40,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 13:39:40,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 13:39:40,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 13:39:40,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 13:39:40,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 13:39:40,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 13:39:40,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 13:39:40,538 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 13:39:40,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-15 13:39:40,538 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 13:39:40,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 13:39:40,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 13:39:40,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 13:39:40,866 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 13:39:40,867 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 13:39:40,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2021-04-15 13:39:40,868 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2021-04-15 13:39:40,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 13:39:40,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 13:39:40,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 13:39:40,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 13:39:40,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 13:39:40,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 13:39:40,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 13:39:40,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 13:39:40,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 13:39:40,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/1) ... [2021-04-15 13:39:40,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 13:39:40,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 13:39:40,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 13:39:40,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 13:39:40,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (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 [2021-04-15 13:39:41,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 13:39:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 13:39:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 13:39:41,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 13:39:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 13:39:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 13:39:41,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 13:39:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 13:39:41,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 13:39:41,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 13:39:41,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 13:39:41,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 13:39:41,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-15 13:39:41,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-15 13:39:41,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-15 13:39:41,012 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 13:39:41,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 13:39:41,140 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 13:39:41,141 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:39:41 BoogieIcfgContainer [2021-04-15 13:39:41,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 13:39:41,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 13:39:41,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 13:39:41,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 13:39:41,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 01:39:40" (1/2) ... [2021-04-15 13:39:41,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f76f3f and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:39:41, skipping insertion in model container [2021-04-15 13:39:41,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:39:41" (2/2) ... [2021-04-15 13:39:41,147 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2021-04-15 13:39:41,152 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 13:39:41,152 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 13:39:41,154 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 13:39:41,155 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 13:39:41,193 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-15 13:39:41,208 INFO L253 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 [2021-04-15 13:39:41,252 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 13:39:41,252 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 13:39:41,252 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 13:39:41,252 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 13:39:41,253 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 13:39:41,253 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 13:39:41,253 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 13:39:41,253 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 13:39:41,428 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 13:39:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 13:39:41,436 INFO L82 PathProgramCache]: Analyzing trace with hash 576764032, now seen corresponding path program 1 times [2021-04-15 13:39:41,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 13:39:41,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773535611] [2021-04-15 13:39:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 13:39:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:41,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773535611] [2021-04-15 13:39:41,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 13:39:41,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 13:39:41,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085832089] [2021-04-15 13:39:41,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 13:39:41,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 13:39:41,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 13:39:41,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 13:39:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:41,679 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 13:39:41,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-04-15 13:39:41,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:41,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 13:39:41,768 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 13:39:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 13:39:41,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1942678282, now seen corresponding path program 1 times [2021-04-15 13:39:41,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 13:39:41,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817206907] [2021-04-15 13:39:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 13:39:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:41,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817206907] [2021-04-15 13:39:41,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105182207] [2021-04-15 13:39:41,831 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 [2021-04-15 13:39:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:41,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-04-15 13:39:41,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 13:39:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:41,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 13:39:41,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-04-15 13:39:41,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065388340] [2021-04-15 13:39:41,989 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-15 13:39:41,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 13:39:41,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-15 13:39:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-15 13:39:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:42,014 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 13:39:42,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-04-15 13:39:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:42,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:42,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 13:39:42,326 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 13:39:42,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 13:39:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash -198617953, now seen corresponding path program 1 times [2021-04-15 13:39:42,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 13:39:42,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077337747] [2021-04-15 13:39:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 13:39:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:42,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077337747] [2021-04-15 13:39:42,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58473327] [2021-04-15 13:39:42,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-04-15 13:39:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:42,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjunts are in the unsatisfiable core [2021-04-15 13:39:42,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 13:39:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:42,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 13:39:42,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-04-15 13:39:42,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571210062] [2021-04-15 13:39:42,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 13:39:42,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 13:39:42,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 13:39:42,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-15 13:39:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:42,806 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 13:39:42,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 13:39:42,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:42,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:42,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:43,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 13:39:43,087 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 13:39:43,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 13:39:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1983776855, now seen corresponding path program 2 times [2021-04-15 13:39:43,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 13:39:43,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101621709] [2021-04-15 13:39:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 13:39:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:43,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101621709] [2021-04-15 13:39:43,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315001597] [2021-04-15 13:39:43,156 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 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 [2021-04-15 13:39:43,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-04-15 13:39:43,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 13:39:43,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-04-15 13:39:43,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-04-15 13:39:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:43,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-04-15 13:39:43,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-04-15 13:39:43,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436779757] [2021-04-15 13:39:43,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 13:39:43,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 13:39:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 13:39:43,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-04-15 13:39:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:43,315 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 13:39:43,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 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) [2021-04-15 13:39:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:43,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 13:39:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 13:39:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-15 13:39:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-15 13:39:43,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 13:39:43,849 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 13:39:43,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 13:39:43,849 INFO L82 PathProgramCache]: Analyzing trace with hash 210702240, now seen corresponding path program 3 times [2021-04-15 13:39:43,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 13:39:43,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239756847] [2021-04-15 13:39:43,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 13:39:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 13:39:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 13:39:43,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239756847] [2021-04-15 13:39:43,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263475790] [2021-04-15 13:39:43,990 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-04-15 13:39:44,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-04-15 13:39:44,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-04-15 13:39:44,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-04-15 13:39:44,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... [2021-04-15 13:53:46,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-04-15 13:53:46,773 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-15 13:53:46,780 WARN L224 ceAbstractionStarter]: Timeout [2021-04-15 13:53:46,780 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 01:53:46 BasicIcfg [2021-04-15 13:53:46,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 13:53:46,781 INFO L168 Benchmark]: Toolchain (without parser) took 845883.84 ms. Allocated memory was 255.9 MB in the beginning and 941.6 MB in the end (delta: 685.8 MB). Free memory was 236.6 MB in the beginning and 637.3 MB in the end (delta: -400.7 MB). Peak memory consumption was 965.7 MB. Max. memory is 16.0 GB. [2021-04-15 13:53:46,781 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 13:53:46,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 13:53:46,781 INFO L168 Benchmark]: Boogie Preprocessor took 13.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 13:53:46,781 INFO L168 Benchmark]: RCFGBuilder took 201.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.8 MB in the end (delta: -4.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-04-15 13:53:46,781 INFO L168 Benchmark]: TraceAbstraction took 845637.38 ms. Allocated memory was 255.9 MB in the beginning and 941.6 MB in the end (delta: 685.8 MB). Free memory was 238.3 MB in the beginning and 637.3 MB in the end (delta: -399.0 MB). Peak memory consumption was 966.3 MB. Max. memory is 16.0 GB. [2021-04-15 13:53:46,782 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 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.77 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 201.19 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.8 MB in the end (delta: -4.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 845637.38 ms. Allocated memory was 255.9 MB in the beginning and 941.6 MB in the end (delta: 685.8 MB). Free memory was 238.3 MB in the beginning and 637.3 MB in the end (delta: -399.0 MB). Peak memory consumption was 966.3 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: 5656, positive: 5342, positive conditional: 5342, positive unconditional: 0, negative: 314, negative conditional: 314, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5342, positive: 5342, positive conditional: 0, positive unconditional: 5342, 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: 150, positive: 150, positive conditional: 0, positive unconditional: 150, 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: 150, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 5342, positive: 5192, positive conditional: 0, positive unconditional: 5192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 314 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 64). Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 443 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 845553.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 722.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.6ms SsaConstructionTime, 100.4ms SatisfiabilityAnalysisTime, 872.2ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 1255 SizeOfPredicates, 8 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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