/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 21:08:35,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 21:08:35,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 21:08:35,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 21:08:35,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 21:08:35,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 21:08:35,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 21:08:35,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 21:08:35,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 21:08:35,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 21:08:35,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 21:08:35,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 21:08:35,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 21:08:35,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 21:08:35,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 21:08:35,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 21:08:35,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 21:08:35,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 21:08:35,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 21:08:35,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 21:08:35,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 21:08:35,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 21:08:35,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 21:08:35,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 21:08:35,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 21:08:35,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 21:08:35,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 21:08:35,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 21:08:35,617 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-Sleep-NoLbe-Delay.epf [2021-02-19 21:08:35,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 21:08:35,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 21:08:35,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 21:08:35,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 21:08:35,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 21:08:35,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 21:08:35,659 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 21:08:35,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 21:08:35,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 21:08:35,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 21:08:35,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 21:08:35,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 21:08:35,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 21:08:35,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 21:08:35,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 21:08:35,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 21:08:35,664 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 21:08:35,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 21:08:35,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 21:08:36,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 21:08:36,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 21:08:36,021 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 21:08:36,022 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 21:08:36,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl [2021-02-19 21:08:36,023 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl' [2021-02-19 21:08:36,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 21:08:36,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 21:08:36,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 21:08:36,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 21:08:36,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 21:08:36,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 21:08:36,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 21:08:36,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 21:08:36,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 21:08:36,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/1) ... [2021-02-19 21:08:36,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 21:08:36,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 21:08:36,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 21:08:36,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 21:08:36,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (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 [2021-02-19 21:08:36,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 21:08:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 21:08:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 21:08:36,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 21:08:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 21:08:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 21:08:36,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 21:08:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 21:08:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 21:08:36,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 21:08:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 21:08:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 21:08:36,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-02-19 21:08:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-02-19 21:08:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-02-19 21:08:36,168 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 21:08:36,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 21:08:36,321 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 21:08:36,322 INFO L202 PluginConnector]: Adding new model exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:08:36 BoogieIcfgContainer [2021-02-19 21:08:36,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 21:08:36,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 21:08:36,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 21:08:36,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 21:08:36,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 09:08:36" (1/2) ... [2021-02-19 21:08:36,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccce076 and model type exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:08:36, skipping insertion in model container [2021-02-19 21:08:36,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:08:36" (2/2) ... [2021-02-19 21:08:36,328 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4-proof.wvr.bpl [2021-02-19 21:08:36,332 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 21:08:36,332 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 21:08:36,335 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 21:08:36,336 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 21:08:36,395 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-19 21:08:36,408 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) [2021-02-19 21:08:36,509 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 21:08:36,509 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 21:08:36,509 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 21:08:36,509 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 21:08:36,509 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 21:08:36,509 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 21:08:36,509 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 21:08:36,509 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 21:08:36,639 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:08:36,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:08:36,649 INFO L82 PathProgramCache]: Analyzing trace with hash -267707424, now seen corresponding path program 1 times [2021-02-19 21:08:36,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:08:36,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164548513] [2021-02-19 21:08:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:08:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:36,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164548513] [2021-02-19 21:08:36,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 21:08:36,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-19 21:08:36,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123642721] [2021-02-19 21:08:36,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 21:08:36,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:08:36,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 21:08:36,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 21:08:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:36,879 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:08:36,880 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) [2021-02-19 21:08:36,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:37,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 21:08:37,034 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:08:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:08:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash -95377592, now seen corresponding path program 1 times [2021-02-19 21:08:37,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:08:37,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670391177] [2021-02-19 21:08:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:08:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:37,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670391177] [2021-02-19 21:08:37,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594868912] [2021-02-19 21:08:37,096 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 [2021-02-19 21:08:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:37,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-02-19 21:08:37,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:08:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:37,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:08:37,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-02-19 21:08:37,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596210689] [2021-02-19 21:08:37,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 21:08:37,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:08:37,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 21:08:37,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 21:08:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:37,253 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:08:37,253 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) [2021-02-19 21:08:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:37,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:08:37,530 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:08:37,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:08:37,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2019140415, now seen corresponding path program 1 times [2021-02-19 21:08:37,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:08:37,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879235059] [2021-02-19 21:08:37,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:08:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:37,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879235059] [2021-02-19 21:08:37,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343744688] [2021-02-19 21:08:37,608 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 [2021-02-19 21:08:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:37,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-19 21:08:37,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:08:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:37,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:08:37,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-02-19 21:08:37,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927346886] [2021-02-19 21:08:37,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 21:08:37,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:08:37,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 21:08:37,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-19 21:08:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:37,964 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:08:37,964 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) [2021-02-19 21:08:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:37,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:08:38,246 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:08:38,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:08:38,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2056454311, now seen corresponding path program 2 times [2021-02-19 21:08:38,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:08:38,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318877983] [2021-02-19 21:08:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:08:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:38,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318877983] [2021-02-19 21:08:38,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148498305] [2021-02-19 21:08:38,332 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 [2021-02-19 21:08:38,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 21:08:38,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:08:38,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 21:08:38,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 21:08:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:38,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 21:08:38,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-02-19 21:08:38,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354434348] [2021-02-19 21:08:38,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 21:08:38,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 21:08:38,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 21:08:38,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-19 21:08:38,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:38,530 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 21:08:38,530 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) [2021-02-19 21:08:38,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:38,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 21:08:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 21:08:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 21:08:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 21:08:39,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:08:39,106 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 21:08:39,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 21:08:39,107 INFO L82 PathProgramCache]: Analyzing trace with hash 561502592, now seen corresponding path program 3 times [2021-02-19 21:08:39,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 21:08:39,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860923835] [2021-02-19 21:08:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 21:08:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 21:08:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 21:08:39,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860923835] [2021-02-19 21:08:39,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532617570] [2021-02-19 21:08:39,209 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:08:39,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-19 21:08:39,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 21:08:39,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-19 21:08:39,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-02-19 21:18:06,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 21:18:06,323 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 21:18:06,327 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 21:18:06,328 INFO L202 PluginConnector]: Adding new model exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:18:06 BasicIcfg [2021-02-19 21:18:06,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 21:18:06,329 INFO L168 Benchmark]: Toolchain (without parser) took 570261.95 ms. Allocated memory was 255.9 MB in the beginning and 908.1 MB in the end (delta: 652.2 MB). Free memory was 236.6 MB in the beginning and 711.5 MB in the end (delta: -475.0 MB). Peak memory consumption was 930.6 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:06,329 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 21:18:06,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:06,329 INFO L168 Benchmark]: Boogie Preprocessor took 17.39 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.7 MB in the end (delta: 925.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 21:18:06,329 INFO L168 Benchmark]: RCFGBuilder took 210.57 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:06,329 INFO L168 Benchmark]: TraceAbstraction took 570004.70 ms. Allocated memory was 255.9 MB in the beginning and 908.1 MB in the end (delta: 652.2 MB). Free memory was 237.7 MB in the beginning and 711.5 MB in the end (delta: -473.9 MB). Peak memory consumption was 931.2 MB. Max. memory is 16.0 GB. [2021-02-19 21:18:06,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.66 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.39 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.7 MB in the end (delta: 925.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 210.57 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 570004.70 ms. Allocated memory was 255.9 MB in the beginning and 908.1 MB in the end (delta: 652.2 MB). Free memory was 237.7 MB in the beginning and 711.5 MB in the end (delta: -473.9 MB). Peak memory consumption was 931.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 63). Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 404 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 569.8s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 29700 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