/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 03:18:28,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 03:18:28,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 03:18:28,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 03:18:28,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 03:18:28,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 03:18:28,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 03:18:28,143 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-FA-NoLbe.epf [2021-04-15 03:18:28,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 03:18:28,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 03:18:28,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 03:18:28,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 03:18:28,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 03:18:28,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 03:18:28,190 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 03:18:28,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 03:18:28,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 03:18:28,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 03:18:28,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 03:18:28,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 03:18:28,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 03:18:28,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 03:18:28,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 03:18:28,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 03:18:28,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 03:18:28,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 03:18:28,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 03:18:28,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 03:18:28,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 03:18:28,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 03:18:28,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 03:18:28,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 03:18:28,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 03:18:28,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 03:18:28,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 03:18:28,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 03:18:28,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 03:18:28,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 03:18:28,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 03:18:28,533 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 03:18:28,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl [2021-04-15 03:18:28,535 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl' [2021-04-15 03:18:28,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 03:18:28,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 03:18:28,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 03:18:28,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 03:18:28,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 03:18:28,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 03:18:28,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 03:18:28,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 03:18:28,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 03:18:28,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/1) ... [2021-04-15 03:18:28,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 03:18:28,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 03:18:28,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 03:18:28,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 03:18:28,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (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 03:18:28,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 03:18:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 03:18:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 03:18:28,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 03:18:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 03:18:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 03:18:28,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 03:18:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 03:18:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 03:18:28,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 03:18:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 03:18:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 03:18:28,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-15 03:18:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-15 03:18:28,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-15 03:18:28,738 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 03:18:29,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 03:18:29,041 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 03:18:29,042 INFO L202 PluginConnector]: Adding new model bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:18:29 BoogieIcfgContainer [2021-04-15 03:18:29,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 03:18:29,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 03:18:29,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 03:18:29,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 03:18:29,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:18:28" (1/2) ... [2021-04-15 03:18:29,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112c5a97 and model type bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 03:18:29, skipping insertion in model container [2021-04-15 03:18:29,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:18:29" (2/2) ... [2021-04-15 03:18:29,050 INFO L111 eAbstractionObserver]: Analyzing ICFG bakery-4.wvr.bpl [2021-04-15 03:18:29,056 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 03:18:29,056 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 03:18:29,060 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 03:18:29,061 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 03:18:29,113 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-15 03:18:29,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-15 03:18:29,150 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 03:18:29,150 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 03:18:29,151 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 03:18:29,151 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 03:18:29,151 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 03:18:29,151 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 03:18:29,151 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 03:18:29,151 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 03:18:29,163 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 81 transitions, 194 flow [2021-04-15 03:18:53,654 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 93966 states, 93964 states have (on average 3.7646439061768335) internal successors, (353741), 93965 states have internal predecessors, (353741), 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 03:18:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 93966 states, 93964 states have (on average 3.7646439061768335) internal successors, (353741), 93965 states have internal predecessors, (353741), 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 03:18:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:18:54,645 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:18:54,646 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:18:54,647 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:18:54,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:18:54,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1847671, now seen corresponding path program 1 times [2021-04-15 03:18:54,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:18:54,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659204811] [2021-04-15 03:18:54,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:18:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:18:54,859 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 03:18:54,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659204811] [2021-04-15 03:18:54,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:18:54,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 03:18:54,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812877786] [2021-04-15 03:18:54,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 03:18:54,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:18:54,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 03:18:54,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:18:55,086 INFO L87 Difference]: Start difference. First operand has 93966 states, 93964 states have (on average 3.7646439061768335) internal successors, (353741), 93965 states have internal predecessors, (353741), 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) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:18:56,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:18:56,527 INFO L93 Difference]: Finished difference Result 93964 states and 349059 transitions. [2021-04-15 03:18:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 03:18:56,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:18:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:18:57,277 INFO L225 Difference]: With dead ends: 93964 [2021-04-15 03:18:57,278 INFO L226 Difference]: Without dead ends: 93964 [2021-04-15 03:18:57,279 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:19:06,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93964 states. [2021-04-15 03:19:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93964 to 93964. [2021-04-15 03:19:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93964 states, 93963 states have (on average 3.714855847514447) internal successors, (349059), 93963 states have internal predecessors, (349059), 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 03:19:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93964 states to 93964 states and 349059 transitions. [2021-04-15 03:19:11,212 INFO L78 Accepts]: Start accepts. Automaton has 93964 states and 349059 transitions. Word has length 75 [2021-04-15 03:19:11,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:19:11,213 INFO L480 AbstractCegarLoop]: Abstraction has 93964 states and 349059 transitions. [2021-04-15 03:19:11,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:19:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 93964 states and 349059 transitions. [2021-04-15 03:19:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:19:11,619 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:19:11,620 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:19:11,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 03:19:11,620 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:19:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:19:11,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1558345607, now seen corresponding path program 2 times [2021-04-15 03:19:11,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:19:11,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91529183] [2021-04-15 03:19:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:19:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:19:11,681 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 03:19:11,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91529183] [2021-04-15 03:19:11,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:19:11,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 03:19:11,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483614262] [2021-04-15 03:19:11,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 03:19:11,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:19:11,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 03:19:11,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:19:11,685 INFO L87 Difference]: Start difference. First operand 93964 states and 349059 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:19:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:19:12,501 INFO L93 Difference]: Finished difference Result 93964 states and 344379 transitions. [2021-04-15 03:19:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 03:19:12,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:19:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:19:12,990 INFO L225 Difference]: With dead ends: 93964 [2021-04-15 03:19:12,990 INFO L226 Difference]: Without dead ends: 93964 [2021-04-15 03:19:12,992 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:19:22,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93964 states. [2021-04-15 03:19:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93964 to 93964. [2021-04-15 03:19:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93964 states, 93963 states have (on average 3.6650490086523417) internal successors, (344379), 93963 states have internal predecessors, (344379), 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 03:19:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93964 states to 93964 states and 344379 transitions. [2021-04-15 03:19:25,693 INFO L78 Accepts]: Start accepts. Automaton has 93964 states and 344379 transitions. Word has length 75 [2021-04-15 03:19:25,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:19:25,697 INFO L480 AbstractCegarLoop]: Abstraction has 93964 states and 344379 transitions. [2021-04-15 03:19:25,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:19:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 93964 states and 344379 transitions. [2021-04-15 03:19:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:19:25,922 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:19:25,922 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:19:25,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 03:19:25,922 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:19:25,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:19:25,923 INFO L82 PathProgramCache]: Analyzing trace with hash -767896549, now seen corresponding path program 3 times [2021-04-15 03:19:25,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:19:25,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305931373] [2021-04-15 03:19:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:19:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:19:26,298 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 03:19:26,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305931373] [2021-04-15 03:19:26,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:19:26,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-15 03:19:26,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935093132] [2021-04-15 03:19:26,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-15 03:19:26,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:19:26,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-15 03:19:26,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-04-15 03:19:26,307 INFO L87 Difference]: Start difference. First operand 93964 states and 344379 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 03:19:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:19:27,587 INFO L93 Difference]: Finished difference Result 116842 states and 427883 transitions. [2021-04-15 03:19:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 03:19:27,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:19:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:19:28,575 INFO L225 Difference]: With dead ends: 116842 [2021-04-15 03:19:28,576 INFO L226 Difference]: Without dead ends: 116842 [2021-04-15 03:19:28,576 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 199.3ms TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-04-15 03:19:38,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116842 states. [2021-04-15 03:19:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116842 to 115078. [2021-04-15 03:19:40,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115078 states, 115077 states have (on average 3.668630569097213) internal successors, (422175), 115077 states have internal predecessors, (422175), 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 03:19:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115078 states to 115078 states and 422175 transitions. [2021-04-15 03:19:42,158 INFO L78 Accepts]: Start accepts. Automaton has 115078 states and 422175 transitions. Word has length 75 [2021-04-15 03:19:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:19:42,159 INFO L480 AbstractCegarLoop]: Abstraction has 115078 states and 422175 transitions. [2021-04-15 03:19:42,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 03:19:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 115078 states and 422175 transitions. [2021-04-15 03:19:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:19:42,439 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:19:42,439 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:19:42,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 03:19:42,440 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:19:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:19:42,440 INFO L82 PathProgramCache]: Analyzing trace with hash -479240801, now seen corresponding path program 4 times [2021-04-15 03:19:42,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:19:42,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286977359] [2021-04-15 03:19:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:19:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:19:42,715 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 03:19:42,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286977359] [2021-04-15 03:19:42,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:19:42,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-15 03:19:42,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915826558] [2021-04-15 03:19:42,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 03:19:42,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:19:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 03:19:42,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-04-15 03:19:42,718 INFO L87 Difference]: Start difference. First operand 115078 states and 422175 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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 03:19:46,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:19:46,060 INFO L93 Difference]: Finished difference Result 306484 states and 1128899 transitions. [2021-04-15 03:19:46,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-04-15 03:19:46,060 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:19:46,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:19:47,819 INFO L225 Difference]: With dead ends: 306484 [2021-04-15 03:19:47,819 INFO L226 Difference]: Without dead ends: 306484 [2021-04-15 03:19:47,820 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 373.7ms TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-04-15 03:20:03,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306484 states. [2021-04-15 03:20:07,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306484 to 129632. [2021-04-15 03:20:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129632 states, 129631 states have (on average 3.6378335429025466) internal successors, (471576), 129631 states have internal predecessors, (471576), 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 03:20:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129632 states to 129632 states and 471576 transitions. [2021-04-15 03:20:08,953 INFO L78 Accepts]: Start accepts. Automaton has 129632 states and 471576 transitions. Word has length 75 [2021-04-15 03:20:08,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:20:08,953 INFO L480 AbstractCegarLoop]: Abstraction has 129632 states and 471576 transitions. [2021-04-15 03:20:08,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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 03:20:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 129632 states and 471576 transitions. [2021-04-15 03:20:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:20:09,388 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:20:09,389 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:20:09,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 03:20:09,389 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:20:09,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:20:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1862805907, now seen corresponding path program 5 times [2021-04-15 03:20:09,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:20:09,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489128185] [2021-04-15 03:20:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:20:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:20:10,273 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 03:20:10,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489128185] [2021-04-15 03:20:10,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:20:10,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-15 03:20:10,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080171774] [2021-04-15 03:20:10,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-15 03:20:10,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:20:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-15 03:20:10,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-04-15 03:20:10,279 INFO L87 Difference]: Start difference. First operand 129632 states and 471576 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 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 03:20:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:20:13,212 INFO L93 Difference]: Finished difference Result 206745 states and 746382 transitions. [2021-04-15 03:20:13,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-04-15 03:20:13,216 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:20:13,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:20:14,698 INFO L225 Difference]: With dead ends: 206745 [2021-04-15 03:20:14,699 INFO L226 Difference]: Without dead ends: 200605 [2021-04-15 03:20:14,699 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 367.9ms TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2021-04-15 03:20:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200605 states. [2021-04-15 03:20:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200605 to 152850. [2021-04-15 03:20:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152850 states, 152849 states have (on average 3.629634475855256) internal successors, (554786), 152849 states have internal predecessors, (554786), 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 03:20:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152850 states to 152850 states and 554786 transitions. [2021-04-15 03:20:31,307 INFO L78 Accepts]: Start accepts. Automaton has 152850 states and 554786 transitions. Word has length 75 [2021-04-15 03:20:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:20:31,308 INFO L480 AbstractCegarLoop]: Abstraction has 152850 states and 554786 transitions. [2021-04-15 03:20:31,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 12 states have internal predecessors, (75), 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 03:20:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 152850 states and 554786 transitions. [2021-04-15 03:20:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:20:31,676 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:20:31,676 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:20:31,677 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 03:20:31,677 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:20:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:20:31,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1527363131, now seen corresponding path program 6 times [2021-04-15 03:20:31,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:20:31,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647725751] [2021-04-15 03:20:31,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:20:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:20:31,913 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 03:20:31,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647725751] [2021-04-15 03:20:32,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:20:32,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-15 03:20:32,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493425276] [2021-04-15 03:20:32,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-15 03:20:32,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:20:32,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-15 03:20:32,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-04-15 03:20:32,696 INFO L87 Difference]: Start difference. First operand 152850 states and 554786 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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 03:20:35,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:20:35,305 INFO L93 Difference]: Finished difference Result 303281 states and 1104421 transitions. [2021-04-15 03:20:35,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 03:20:35,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:20:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:20:36,505 INFO L225 Difference]: With dead ends: 303281 [2021-04-15 03:20:36,506 INFO L226 Difference]: Without dead ends: 303281 [2021-04-15 03:20:36,506 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 170.1ms TimeCoverageRelationStatistics Valid=120, Invalid=186, Unknown=0, NotChecked=0, Total=306 [2021-04-15 03:20:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303281 states. [2021-04-15 03:20:56,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303281 to 180566. [2021-04-15 03:20:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180566 states, 180565 states have (on average 3.6152410489297484) internal successors, (652786), 180565 states have internal predecessors, (652786), 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 03:20:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180566 states to 180566 states and 652786 transitions. [2021-04-15 03:20:58,211 INFO L78 Accepts]: Start accepts. Automaton has 180566 states and 652786 transitions. Word has length 75 [2021-04-15 03:20:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:20:58,211 INFO L480 AbstractCegarLoop]: Abstraction has 180566 states and 652786 transitions. [2021-04-15 03:20:58,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 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 03:20:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 180566 states and 652786 transitions. [2021-04-15 03:20:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:20:58,724 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:20:58,724 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:20:58,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 03:20:58,725 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:20:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:20:58,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1136777695, now seen corresponding path program 7 times [2021-04-15 03:20:58,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:20:58,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385325208] [2021-04-15 03:20:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:20:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:20:59,125 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 03:20:59,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385325208] [2021-04-15 03:20:59,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:20:59,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-04-15 03:20:59,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490339726] [2021-04-15 03:20:59,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-04-15 03:20:59,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:20:59,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-04-15 03:20:59,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-04-15 03:20:59,127 INFO L87 Difference]: Start difference. First operand 180566 states and 652786 transitions. Second operand has 19 states, 19 states have (on average 3.9473684210526314) internal successors, (75), 18 states have internal predecessors, (75), 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 03:21:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:21:04,016 INFO L93 Difference]: Finished difference Result 369472 states and 1336058 transitions. [2021-04-15 03:21:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-15 03:21:04,017 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.9473684210526314) internal successors, (75), 18 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:21:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:21:06,300 INFO L225 Difference]: With dead ends: 369472 [2021-04-15 03:21:06,300 INFO L226 Difference]: Without dead ends: 367847 [2021-04-15 03:21:06,301 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 603.7ms TimeCoverageRelationStatistics Valid=233, Invalid=957, Unknown=0, NotChecked=0, Total=1190 [2021-04-15 03:21:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367847 states. [2021-04-15 03:21:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367847 to 245657. [2021-04-15 03:21:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245657 states, 245656 states have (on average 3.610642524505813) internal successors, (886976), 245656 states have internal predecessors, (886976), 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 03:21:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245657 states to 245657 states and 886976 transitions. [2021-04-15 03:21:32,049 INFO L78 Accepts]: Start accepts. Automaton has 245657 states and 886976 transitions. Word has length 75 [2021-04-15 03:21:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:21:32,049 INFO L480 AbstractCegarLoop]: Abstraction has 245657 states and 886976 transitions. [2021-04-15 03:21:32,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.9473684210526314) internal successors, (75), 18 states have internal predecessors, (75), 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 03:21:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 245657 states and 886976 transitions. [2021-04-15 03:21:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:21:32,756 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:21:32,756 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:21:32,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-15 03:21:32,757 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:21:32,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:21:32,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1955802461, now seen corresponding path program 8 times [2021-04-15 03:21:32,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:21:32,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695992357] [2021-04-15 03:21:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:21:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:21:32,995 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 03:21:32,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695992357] [2021-04-15 03:21:32,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:21:32,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-15 03:21:32,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100228436] [2021-04-15 03:21:32,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-15 03:21:32,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:21:32,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-15 03:21:32,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-04-15 03:21:32,997 INFO L87 Difference]: Start difference. First operand 245657 states and 886976 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 03:21:38,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:21:38,209 INFO L93 Difference]: Finished difference Result 450047 states and 1631224 transitions. [2021-04-15 03:21:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 03:21:38,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:21:38,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:21:40,351 INFO L225 Difference]: With dead ends: 450047 [2021-04-15 03:21:40,351 INFO L226 Difference]: Without dead ends: 449753 [2021-04-15 03:21:40,352 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 224.0ms TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2021-04-15 03:22:00,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449753 states. [2021-04-15 03:22:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449753 to 321890. [2021-04-15 03:22:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321890 states, 321889 states have (on average 3.606532065401427) internal successors, (1160903), 321889 states have internal predecessors, (1160903), 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 03:22:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321890 states to 321890 states and 1160903 transitions. [2021-04-15 03:22:14,748 INFO L78 Accepts]: Start accepts. Automaton has 321890 states and 1160903 transitions. Word has length 75 [2021-04-15 03:22:14,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:22:14,749 INFO L480 AbstractCegarLoop]: Abstraction has 321890 states and 1160903 transitions. [2021-04-15 03:22:14,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 03:22:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand 321890 states and 1160903 transitions. [2021-04-15 03:22:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:22:16,278 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:22:16,279 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:22:16,279 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-15 03:22:16,279 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:22:16,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:22:16,280 INFO L82 PathProgramCache]: Analyzing trace with hash -551343161, now seen corresponding path program 9 times [2021-04-15 03:22:16,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:22:16,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556178682] [2021-04-15 03:22:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:22:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:22:16,461 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 03:22:16,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556178682] [2021-04-15 03:22:16,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:22:16,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-15 03:22:16,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751184550] [2021-04-15 03:22:16,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 03:22:16,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:22:16,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 03:22:16,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-15 03:22:16,464 INFO L87 Difference]: Start difference. First operand 321890 states and 1160903 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 03:22:20,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:22:20,415 INFO L93 Difference]: Finished difference Result 364887 states and 1304967 transitions. [2021-04-15 03:22:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 03:22:20,415 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:22:20,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:22:22,757 INFO L225 Difference]: With dead ends: 364887 [2021-04-15 03:22:22,758 INFO L226 Difference]: Without dead ends: 361405 [2021-04-15 03:22:22,758 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 201.1ms TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-04-15 03:22:39,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361405 states. [2021-04-15 03:22:50,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361405 to 324718. [2021-04-15 03:22:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324718 states, 324717 states have (on average 3.6029126901270954) internal successors, (1169927), 324717 states have internal predecessors, (1169927), 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 03:22:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324718 states to 324718 states and 1169927 transitions. [2021-04-15 03:22:54,084 INFO L78 Accepts]: Start accepts. Automaton has 324718 states and 1169927 transitions. Word has length 75 [2021-04-15 03:22:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:22:54,085 INFO L480 AbstractCegarLoop]: Abstraction has 324718 states and 1169927 transitions. [2021-04-15 03:22:54,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 03:22:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 324718 states and 1169927 transitions. [2021-04-15 03:22:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:22:55,163 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:22:55,164 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:22:55,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-15 03:22:55,164 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:22:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:22:55,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1351143487, now seen corresponding path program 10 times [2021-04-15 03:22:55,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:22:55,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674884993] [2021-04-15 03:22:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:22:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:22:55,259 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 03:22:55,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674884993] [2021-04-15 03:22:55,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:22:55,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-15 03:22:55,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86428283] [2021-04-15 03:22:55,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 03:22:55,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:22:55,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 03:22:55,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-04-15 03:22:55,265 INFO L87 Difference]: Start difference. First operand 324718 states and 1169927 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 03:22:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:22:58,998 INFO L93 Difference]: Finished difference Result 369839 states and 1320059 transitions. [2021-04-15 03:22:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-15 03:22:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:22:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:23:00,485 INFO L225 Difference]: With dead ends: 369839 [2021-04-15 03:23:00,485 INFO L226 Difference]: Without dead ends: 362752 [2021-04-15 03:23:00,486 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 173.0ms TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-04-15 03:23:17,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362752 states. [2021-04-15 03:23:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362752 to 325199. [2021-04-15 03:23:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325199 states, 325198 states have (on average 3.599806886881223) internal successors, (1170650), 325198 states have internal predecessors, (1170650), 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 03:23:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325199 states to 325199 states and 1170650 transitions. [2021-04-15 03:23:30,765 INFO L78 Accepts]: Start accepts. Automaton has 325199 states and 1170650 transitions. Word has length 75 [2021-04-15 03:23:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:23:30,766 INFO L480 AbstractCegarLoop]: Abstraction has 325199 states and 1170650 transitions. [2021-04-15 03:23:30,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 03:23:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 325199 states and 1170650 transitions. [2021-04-15 03:23:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:23:33,749 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:23:33,749 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:23:33,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-15 03:23:33,750 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:23:33,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:23:33,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1105488061, now seen corresponding path program 11 times [2021-04-15 03:23:33,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:23:33,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739053348] [2021-04-15 03:23:33,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:23:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:23:34,191 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 03:23:34,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739053348] [2021-04-15 03:23:34,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:23:34,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 03:23:34,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033873599] [2021-04-15 03:23:34,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-15 03:23:34,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:23:34,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-15 03:23:34,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-15 03:23:34,219 INFO L87 Difference]: Start difference. First operand 325199 states and 1170650 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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 03:23:37,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:23:37,900 INFO L93 Difference]: Finished difference Result 321518 states and 1147666 transitions. [2021-04-15 03:23:37,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-15 03:23:37,901 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:23:37,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:23:39,330 INFO L225 Difference]: With dead ends: 321518 [2021-04-15 03:23:39,330 INFO L226 Difference]: Without dead ends: 321518 [2021-04-15 03:23:39,330 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 256.2ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-04-15 03:23:54,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321518 states. [2021-04-15 03:24:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321518 to 318336. [2021-04-15 03:24:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318336 states, 318335 states have (on average 3.5691142978309016) internal successors, (1136174), 318335 states have internal predecessors, (1136174), 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 03:24:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318336 states to 318336 states and 1136174 transitions. [2021-04-15 03:24:06,159 INFO L78 Accepts]: Start accepts. Automaton has 318336 states and 1136174 transitions. Word has length 75 [2021-04-15 03:24:06,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:24:06,159 INFO L480 AbstractCegarLoop]: Abstraction has 318336 states and 1136174 transitions. [2021-04-15 03:24:06,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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 03:24:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 318336 states and 1136174 transitions. [2021-04-15 03:24:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:24:07,303 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:24:07,304 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:24:07,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-15 03:24:07,304 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:24:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:24:07,304 INFO L82 PathProgramCache]: Analyzing trace with hash 336014843, now seen corresponding path program 12 times [2021-04-15 03:24:07,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:24:07,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451416029] [2021-04-15 03:24:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:24:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:24:07,448 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 03:24:07,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451416029] [2021-04-15 03:24:07,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:24:07,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 03:24:07,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698577113] [2021-04-15 03:24:07,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 03:24:07,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:24:07,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 03:24:07,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-15 03:24:07,453 INFO L87 Difference]: Start difference. First operand 318336 states and 1136174 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 03:24:11,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:24:11,771 INFO L93 Difference]: Finished difference Result 382082 states and 1349485 transitions. [2021-04-15 03:24:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-15 03:24:11,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:24:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:24:13,548 INFO L225 Difference]: With dead ends: 382082 [2021-04-15 03:24:13,548 INFO L226 Difference]: Without dead ends: 380414 [2021-04-15 03:24:13,549 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 115.5ms TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-04-15 03:24:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380414 states. [2021-04-15 03:24:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380414 to 320686. [2021-04-15 03:24:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320686 states, 320685 states have (on average 3.5692190155448493) internal successors, (1144595), 320685 states have internal predecessors, (1144595), 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 03:24:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320686 states to 320686 states and 1144595 transitions. [2021-04-15 03:24:43,625 INFO L78 Accepts]: Start accepts. Automaton has 320686 states and 1144595 transitions. Word has length 75 [2021-04-15 03:24:43,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:24:43,625 INFO L480 AbstractCegarLoop]: Abstraction has 320686 states and 1144595 transitions. [2021-04-15 03:24:43,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 03:24:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 320686 states and 1144595 transitions. [2021-04-15 03:24:46,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:24:46,547 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:24:46,547 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:24:46,548 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-15 03:24:46,548 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:24:46,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:24:46,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1834380925, now seen corresponding path program 13 times [2021-04-15 03:24:46,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:24:46,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776934848] [2021-04-15 03:24:46,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:24:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:24:47,049 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 03:24:47,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776934848] [2021-04-15 03:24:47,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:24:47,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-04-15 03:24:47,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47162865] [2021-04-15 03:24:47,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 03:24:47,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:24:47,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 03:24:47,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-04-15 03:24:47,052 INFO L87 Difference]: Start difference. First operand 320686 states and 1144595 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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 03:24:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:24:51,050 INFO L93 Difference]: Finished difference Result 324618 states and 1142686 transitions. [2021-04-15 03:24:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 03:24:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:24:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:24:54,025 INFO L225 Difference]: With dead ends: 324618 [2021-04-15 03:24:54,026 INFO L226 Difference]: Without dead ends: 324410 [2021-04-15 03:24:54,026 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 417.8ms TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2021-04-15 03:25:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324410 states. [2021-04-15 03:25:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324410 to 287675. [2021-04-15 03:25:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287675 states, 287674 states have (on average 3.5548676627015303) internal successors, (1022643), 287674 states have internal predecessors, (1022643), 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 03:25:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287675 states to 287675 states and 1022643 transitions. [2021-04-15 03:25:21,643 INFO L78 Accepts]: Start accepts. Automaton has 287675 states and 1022643 transitions. Word has length 75 [2021-04-15 03:25:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:25:21,644 INFO L480 AbstractCegarLoop]: Abstraction has 287675 states and 1022643 transitions. [2021-04-15 03:25:21,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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 03:25:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 287675 states and 1022643 transitions. [2021-04-15 03:25:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:25:22,674 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:25:22,674 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:25:22,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-15 03:25:22,674 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:25:22,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:25:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash -373415265, now seen corresponding path program 14 times [2021-04-15 03:25:22,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:25:22,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946025382] [2021-04-15 03:25:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:25:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:25:23,416 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 03:25:23,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946025382] [2021-04-15 03:25:23,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:25:23,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-04-15 03:25:23,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510757871] [2021-04-15 03:25:23,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-04-15 03:25:23,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:25:23,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-04-15 03:25:23,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-04-15 03:25:23,418 INFO L87 Difference]: Start difference. First operand 287675 states and 1022643 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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 03:25:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:25:39,497 INFO L93 Difference]: Finished difference Result 981459 states and 3393715 transitions. [2021-04-15 03:25:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-04-15 03:25:39,498 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:25:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:25:47,972 INFO L225 Difference]: With dead ends: 981459 [2021-04-15 03:25:47,972 INFO L226 Difference]: Without dead ends: 947486 [2021-04-15 03:25:47,975 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3189 ImplicationChecksByTransitivity, 3959.9ms TimeCoverageRelationStatistics Valid=1721, Invalid=7399, Unknown=0, NotChecked=0, Total=9120 [2021-04-15 03:26:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947486 states. [2021-04-15 03:26:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947486 to 485034. [2021-04-15 03:26:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485034 states, 485033 states have (on average 3.546946290252416) internal successors, (1720386), 485033 states have internal predecessors, (1720386), 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 03:26:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485034 states to 485034 states and 1720386 transitions. [2021-04-15 03:26:46,568 INFO L78 Accepts]: Start accepts. Automaton has 485034 states and 1720386 transitions. Word has length 75 [2021-04-15 03:26:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:26:46,569 INFO L480 AbstractCegarLoop]: Abstraction has 485034 states and 1720386 transitions. [2021-04-15 03:26:46,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 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 03:26:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 485034 states and 1720386 transitions. [2021-04-15 03:26:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:26:49,117 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:26:49,117 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:26:49,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-15 03:26:49,118 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:26:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:26:49,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1373176383, now seen corresponding path program 15 times [2021-04-15 03:26:49,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:26:49,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116737283] [2021-04-15 03:26:49,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:26:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:26:49,265 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 03:26:49,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116737283] [2021-04-15 03:26:49,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:26:49,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-15 03:26:49,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334553284] [2021-04-15 03:26:49,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-15 03:26:49,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:26:49,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-15 03:26:49,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-04-15 03:26:49,267 INFO L87 Difference]: Start difference. First operand 485034 states and 1720386 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 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 03:26:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:26:53,869 INFO L93 Difference]: Finished difference Result 536821 states and 1890872 transitions. [2021-04-15 03:26:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 03:26:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:26:53,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:26:57,118 INFO L225 Difference]: With dead ends: 536821 [2021-04-15 03:26:57,119 INFO L226 Difference]: Without dead ends: 529483 [2021-04-15 03:26:57,119 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 143.7ms TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-04-15 03:27:17,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529483 states. [2021-04-15 03:27:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529483 to 470627. [2021-04-15 03:27:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470627 states, 470626 states have (on average 3.546958731561792) internal successors, (1669291), 470626 states have internal predecessors, (1669291), 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 03:27:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470627 states to 470627 states and 1669291 transitions. [2021-04-15 03:27:34,872 INFO L78 Accepts]: Start accepts. Automaton has 470627 states and 1669291 transitions. Word has length 75 [2021-04-15 03:27:34,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:27:34,872 INFO L480 AbstractCegarLoop]: Abstraction has 470627 states and 1669291 transitions. [2021-04-15 03:27:34,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 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 03:27:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 470627 states and 1669291 transitions. [2021-04-15 03:27:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:27:37,220 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:27:37,220 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:27:37,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-15 03:27:37,220 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:27:37,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:27:37,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1587257269, now seen corresponding path program 16 times [2021-04-15 03:27:37,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:27:37,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841359153] [2021-04-15 03:27:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:27:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:27:37,274 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 03:27:37,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841359153] [2021-04-15 03:27:37,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:27:37,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-15 03:27:37,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047196106] [2021-04-15 03:27:37,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-15 03:27:37,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:27:37,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-15 03:27:37,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:27:37,276 INFO L87 Difference]: Start difference. First operand 470627 states and 1669291 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:27:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:27:42,264 INFO L93 Difference]: Finished difference Result 439790 states and 1537157 transitions. [2021-04-15 03:27:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-15 03:27:42,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:27:42,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:27:45,052 INFO L225 Difference]: With dead ends: 439790 [2021-04-15 03:27:45,053 INFO L226 Difference]: Without dead ends: 439166 [2021-04-15 03:27:45,053 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-15 03:28:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439166 states. [2021-04-15 03:28:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439166 to 433782. [2021-04-15 03:28:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433782 states, 433781 states have (on average 3.497882572081304) internal successors, (1517315), 433781 states have internal predecessors, (1517315), 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 03:28:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433782 states to 433782 states and 1517315 transitions. [2021-04-15 03:28:16,633 INFO L78 Accepts]: Start accepts. Automaton has 433782 states and 1517315 transitions. Word has length 75 [2021-04-15 03:28:16,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:28:16,639 INFO L480 AbstractCegarLoop]: Abstraction has 433782 states and 1517315 transitions. [2021-04-15 03:28:16,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 03:28:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 433782 states and 1517315 transitions. [2021-04-15 03:28:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-04-15 03:28:19,116 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:28:19,116 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:28:19,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-15 03:28:19,116 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-04-15 03:28:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:28:19,116 INFO L82 PathProgramCache]: Analyzing trace with hash 317926047, now seen corresponding path program 17 times [2021-04-15 03:28:19,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:28:19,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284203460] [2021-04-15 03:28:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:28:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:28:19,299 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 03:28:19,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284203460] [2021-04-15 03:28:19,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:28:19,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-15 03:28:19,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021548739] [2021-04-15 03:28:19,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-15 03:28:19,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:28:19,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-15 03:28:19,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-04-15 03:28:19,301 INFO L87 Difference]: Start difference. First operand 433782 states and 1517315 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 03:28:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:28:25,074 INFO L93 Difference]: Finished difference Result 627167 states and 2181874 transitions. [2021-04-15 03:28:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-04-15 03:28:25,075 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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) Word has length 75 [2021-04-15 03:28:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:28:28,840 INFO L225 Difference]: With dead ends: 627167 [2021-04-15 03:28:28,840 INFO L226 Difference]: Without dead ends: 621726 [2021-04-15 03:28:28,841 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 233.9ms TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2021-04-15 03:28:51,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621726 states. [2021-04-15 03:29:01,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621726 to 433649. [2021-04-15 03:29:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433649 states, 433648 states have (on average 3.4976224956646864) internal successors, (1516737), 433648 states have internal predecessors, (1516737), 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) Received shutdown request... [2021-04-15 03:29:06,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-15 03:29:06,740 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-15 03:29:06,746 WARN L224 ceAbstractionStarter]: Timeout [2021-04-15 03:29:06,746 INFO L202 PluginConnector]: Adding new model bakery-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 03:29:06 BasicIcfg [2021-04-15 03:29:06,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 03:29:06,748 INFO L168 Benchmark]: Toolchain (without parser) took 638131.26 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 236.1 MB in the beginning and 7.6 GB in the end (delta: -7.3 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-04-15 03:29:06,753 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 03:29:06,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 03:29:06,754 INFO L168 Benchmark]: Boogie Preprocessor took 16.30 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.3 MB in the end (delta: 982.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 03:29:06,754 INFO L168 Benchmark]: RCFGBuilder took 375.07 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 232.9 MB in the end (delta: 375.4 kB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. [2021-04-15 03:29:06,755 INFO L168 Benchmark]: TraceAbstraction took 637702.06 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 232.4 MB in the beginning and 7.6 GB in the end (delta: -7.3 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. [2021-04-15 03:29:06,756 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 0.16 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.30 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.3 MB in the end (delta: 982.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 375.07 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 232.9 MB in the end (delta: 375.4 kB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 637702.06 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 232.4 MB in the beginning and 7.6 GB in the end (delta: -7.3 GB). Peak memory consumption was 8.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 116). Cancelled while ReachableStatesComputation was computing reachable states (412276 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 637592.8ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 21981.0ms, AutomataDifference: 113311.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24503.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3883 SDtfs, 9647 SDslu, 17834 SDs, 0 SdLazy, 12556 SolverSat, 1874 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8710.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 27 SyntacticMatches, 9 SemanticMatches, 331 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4042 ImplicationChecksByTransitivity, 7456.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=485034occurred in iteration=14, InterpolantAutomatonStates: 280, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 471737.7ms AutomataMinimizationTime, 17 MinimizatonAttempts, 1299716 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.4ms SsaConstructionTime, 894.3ms SatisfiabilityAnalysisTime, 4052.1ms InterpolantComputationTime, 1275 NumberOfCodeBlocks, 1275 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 7314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 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 !SESSION 2021-04-15 03:18:26.359 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9.1 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bakery-4.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-04-15 03:29:06.984 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c762f41b0/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c762f41b0/.metadata/.log.