/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 22:19:58,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 22:19:58,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 22:19:58,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 22:19:58,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 22:19:58,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 22:19:58,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 22:19:58,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 22:19:58,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 22:19:58,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 22:19:58,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 22:19:58,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 22:19:58,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 22:19:58,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 22:19:58,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 22:19:58,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 22:19:58,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 22:19:58,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 22:19:58,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 22:19:58,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 22:19:58,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 22:19:58,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 22:19:58,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 22:19:58,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 22:19:58,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 22:19:58,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 22:19:58,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 22:19:58,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 22:19:58,658 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-PN-NoLbe.epf [2021-08-12 22:19:58,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 22:19:58,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 22:19:58,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 22:19:58,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 22:19:58,697 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 22:19:58,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 22:19:58,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 22:19:58,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 22:19:58,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 22:19:58,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 22:19:58,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 22:19:58,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 22:19:58,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 22:19:58,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 22:19:58,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 22:19:58,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 22:19:58,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 22:19:58,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 22:19:58,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 22:19:58,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 22:19:58,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 22:19:58,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 22:19:58,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 22:19:58,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 22:19:58,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 22:19:58,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 22:19:59,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 22:19:59,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 22:19:59,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 22:19:59,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 22:19:59,028 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 22:19:59,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl [2021-08-12 22:19:59,030 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl' [2021-08-12 22:19:59,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 22:19:59,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 22:19:59,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 22:19:59,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 22:19:59,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 22:19:59,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 22:19:59,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 22:19:59,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 22:19:59,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 22:19:59,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/1) ... [2021-08-12 22:19:59,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 22:19:59,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 22:19:59,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 22:19:59,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 22:19:59,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (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 [2021-08-12 22:19:59,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 22:19:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 22:19:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 22:19:59,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 22:19:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 22:19:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 22:19:59,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 22:19:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 22:19:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 22:19:59,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-12 22:19:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-12 22:19:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-12 22:19:59,194 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 22:19:59,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 22:19:59,377 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 22:19:59,379 INFO L202 PluginConnector]: Adding new model time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:19:59 BoogieIcfgContainer [2021-08-12 22:19:59,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 22:19:59,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 22:19:59,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 22:19:59,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 22:19:59,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:19:59" (1/2) ... [2021-08-12 22:19:59,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29db3764 and model type time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 10:19:59, skipping insertion in model container [2021-08-12 22:19:59,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:19:59" (2/2) ... [2021-08-12 22:19:59,385 INFO L111 eAbstractionObserver]: Analyzing ICFG time-subst.wvr.bpl [2021-08-12 22:19:59,390 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 22:19:59,390 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 22:19:59,391 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 22:19:59,419 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-12 22:19:59,440 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-12 22:19:59,472 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 22:19:59,472 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 22:19:59,472 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 22:19:59,472 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 22:19:59,472 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 22:19:59,473 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 22:19:59,473 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 22:19:59,473 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 22:19:59,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 19 transitions, 62 flow [2021-08-12 22:19:59,512 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-12 22:19:59,513 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-12 22:19:59,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 16 events. 0/16 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 22:19:59,514 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 19 transitions, 62 flow [2021-08-12 22:19:59,517 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 14 transitions, 46 flow [2021-08-12 22:19:59,523 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-12 22:19:59,523 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-12 22:19:59,524 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:19:59,524 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:19:59,525 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:19:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:19:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 936082789, now seen corresponding path program 1 times [2021-08-12 22:19:59,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:19:59,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598935313] [2021-08-12 22:19:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:19:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:19:59,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:19:59,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:19:59,873 INFO L142 QuantifierPusher]: treesize reduction 235, result has 23.2 percent of original size [2021-08-12 22:19:59,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-08-12 22:20:00,050 INFO L142 QuantifierPusher]: treesize reduction 110, result has 59.3 percent of original size [2021-08-12 22:20:00,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-08-12 22:20:00,219 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-08-12 22:20:00,233 INFO L142 QuantifierPusher]: treesize reduction 31, result has 67.7 percent of original size [2021-08-12 22:20:00,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-08-12 22:20:00,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:00,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:00,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:00,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:00,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598935313] [2021-08-12 22:20:00,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598935313] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:00,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:00,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:00,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888881292] [2021-08-12 22:20:00,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:00,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:00,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:00,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:00,343 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:00,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 46 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:00,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:00,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:00,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:00,550 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-08-12 22:20:00,550 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-08-12 22:20:00,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 40 events. 3/40 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 120 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 50. Up to 7 conditions per place. [2021-08-12 22:20:00,553 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 2 changer transitions 1/18 dead transitions. [2021-08-12 22:20:00,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 70 flow [2021-08-12 22:20:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:20:00,565 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:20:00,565 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:20:00,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:20:00,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:00,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:20:00,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-08-12 22:20:00,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:00,577 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:00,578 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2021-08-12 22:20:00,578 INFO L482 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 70 flow [2021-08-12 22:20:00,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:00,578 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:20:00,578 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:20:00,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 22:20:00,581 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:20:00,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:20:00,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1811602917, now seen corresponding path program 2 times [2021-08-12 22:20:00,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:20:00,583 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976497708] [2021-08-12 22:20:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:20:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:20:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:00,690 INFO L142 QuantifierPusher]: treesize reduction 72, result has 48.9 percent of original size [2021-08-12 22:20:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-08-12 22:20:00,737 INFO L142 QuantifierPusher]: treesize reduction 30, result has 70.3 percent of original size [2021-08-12 22:20:00,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-08-12 22:20:00,841 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-08-12 22:20:00,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-12 22:20:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:00,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:00,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976497708] [2021-08-12 22:20:00,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976497708] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:00,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:00,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:00,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487047850] [2021-08-12 22:20:00,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:00,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:00,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:00,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:00,901 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:00,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:00,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:00,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:00,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:01,045 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-08-12 22:20:01,045 INFO L130 PetriNetUnfolder]: For 20/26 co-relation queries the response was YES. [2021-08-12 22:20:01,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 45 events. 2/45 cut-off events. For 20/26 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 161 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 70. Up to 8 conditions per place. [2021-08-12 22:20:01,046 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 3 changer transitions 4/22 dead transitions. [2021-08-12 22:20:01,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 110 flow [2021-08-12 22:20:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:20:01,054 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:20:01,054 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:01,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-08-12 22:20:01,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,056 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,056 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-08-12 22:20:01,057 INFO L482 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 110 flow [2021-08-12 22:20:01,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:01,057 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:20:01,057 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:20:01,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 22:20:01,057 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:20:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:20:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1021396753, now seen corresponding path program 3 times [2021-08-12 22:20:01,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:20:01,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136496855] [2021-08-12 22:20:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:20:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:20:01,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:01,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:01,139 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-08-12 22:20:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 22:20:01,178 INFO L142 QuantifierPusher]: treesize reduction 110, result has 57.0 percent of original size [2021-08-12 22:20:01,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-08-12 22:20:01,242 INFO L142 QuantifierPusher]: treesize reduction 49, result has 41.7 percent of original size [2021-08-12 22:20:01,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-12 22:20:01,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:01,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:01,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:01,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136496855] [2021-08-12 22:20:01,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136496855] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:01,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:01,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:01,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071337313] [2021-08-12 22:20:01,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:01,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:01,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:01,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:01,272 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:01,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:01,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:01,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:01,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:01,394 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-08-12 22:20:01,394 INFO L130 PetriNetUnfolder]: For 35/39 co-relation queries the response was YES. [2021-08-12 22:20:01,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 48 events. 1/48 cut-off events. For 35/39 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 192 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 87. Up to 8 conditions per place. [2021-08-12 22:20:01,395 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 7 selfloop transitions, 3 changer transitions 6/26 dead transitions. [2021-08-12 22:20:01,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 166 flow [2021-08-12 22:20:01,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:20:01,397 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:20:01,397 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:01,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:20:01,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2021-08-12 22:20:01,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,399 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,399 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2021-08-12 22:20:01,400 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 166 flow [2021-08-12 22:20:01,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:01,400 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:20:01,400 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:20:01,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 22:20:01,400 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:20:01,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:20:01,401 INFO L82 PathProgramCache]: Analyzing trace with hash -626083743, now seen corresponding path program 4 times [2021-08-12 22:20:01,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:20:01,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672302433] [2021-08-12 22:20:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:20:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:20:01,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:01,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:01,464 INFO L142 QuantifierPusher]: treesize reduction 37, result has 42.2 percent of original size [2021-08-12 22:20:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 22:20:01,506 INFO L142 QuantifierPusher]: treesize reduction 64, result has 60.5 percent of original size [2021-08-12 22:20:01,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-08-12 22:20:01,566 INFO L142 QuantifierPusher]: treesize reduction 43, result has 53.8 percent of original size [2021-08-12 22:20:01,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-08-12 22:20:01,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:01,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:01,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:01,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672302433] [2021-08-12 22:20:01,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672302433] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:01,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:01,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:01,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998303183] [2021-08-12 22:20:01,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:01,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:01,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:01,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:01,606 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:01,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:01,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:01,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:01,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:01,752 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-08-12 22:20:01,752 INFO L130 PetriNetUnfolder]: For 58/79 co-relation queries the response was YES. [2021-08-12 22:20:01,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 46 events. 1/46 cut-off events. For 58/79 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 185 event pairs, 0 based on Foata normal form. 4/50 useless extension candidates. Maximal degree in co-relation 101. Up to 7 conditions per place. [2021-08-12 22:20:01,754 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 1 changer transitions 9/25 dead transitions. [2021-08-12 22:20:01,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 188 flow [2021-08-12 22:20:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:01,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-12 22:20:01,758 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-12 22:20:01,758 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-12 22:20:01,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-12 22:20:01,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:01,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-12 22:20:01,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-12 22:20:01,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,761 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:01,762 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 16 predicate places. [2021-08-12 22:20:01,762 INFO L482 AbstractCegarLoop]: Abstraction has has 40 places, 25 transitions, 188 flow [2021-08-12 22:20:01,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:01,762 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:20:01,762 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:20:01,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 22:20:01,763 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:20:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:20:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1409569935, now seen corresponding path program 5 times [2021-08-12 22:20:01,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:20:01,764 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887890661] [2021-08-12 22:20:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:20:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:20:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:01,850 INFO L142 QuantifierPusher]: treesize reduction 149, result has 31.3 percent of original size [2021-08-12 22:20:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-08-12 22:20:01,909 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.2 percent of original size [2021-08-12 22:20:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-08-12 22:20:01,988 INFO L142 QuantifierPusher]: treesize reduction 19, result has 70.3 percent of original size [2021-08-12 22:20:01,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-12 22:20:02,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:02,038 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:02,038 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887890661] [2021-08-12 22:20:02,038 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887890661] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:02,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:02,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:02,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467149355] [2021-08-12 22:20:02,039 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:02,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:02,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:02,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:02,040 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:02,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 25 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:02,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:02,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:02,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:02,249 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-08-12 22:20:02,250 INFO L130 PetriNetUnfolder]: For 93/118 co-relation queries the response was YES. [2021-08-12 22:20:02,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 52 events. 0/52 cut-off events. For 93/118 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 241 event pairs, 0 based on Foata normal form. 4/56 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-08-12 22:20:02,250 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 3 selfloop transitions, 1 changer transitions 12/26 dead transitions. [2021-08-12 22:20:02,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 26 transitions, 230 flow [2021-08-12 22:20:02,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:02,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-12 22:20:02,251 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-12 22:20:02,251 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-12 22:20:02,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-12 22:20:02,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:02,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-12 22:20:02,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-08-12 22:20:02,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:02,253 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:02,253 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 20 predicate places. [2021-08-12 22:20:02,253 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 26 transitions, 230 flow [2021-08-12 22:20:02,253 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:02,253 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:20:02,254 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:20:02,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 22:20:02,254 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:20:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:20:02,254 INFO L82 PathProgramCache]: Analyzing trace with hash -979384337, now seen corresponding path program 6 times [2021-08-12 22:20:02,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:20:02,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107951629] [2021-08-12 22:20:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:20:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:20:02,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:02,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:02,286 INFO L142 QuantifierPusher]: treesize reduction 49, result has 62.9 percent of original size [2021-08-12 22:20:02,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-08-12 22:20:02,334 INFO L142 QuantifierPusher]: treesize reduction 27, result has 78.7 percent of original size [2021-08-12 22:20:02,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-08-12 22:20:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 22:20:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:20:02,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:20:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:20:02,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:20:02,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107951629] [2021-08-12 22:20:02,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107951629] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:20:02,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:20:02,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:20:02,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752920694] [2021-08-12 22:20:02,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:20:02,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:20:02,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:20:02,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:20:02,464 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:20:02,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 26 transitions, 230 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:02,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:20:02,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:20:02,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:20:02,649 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-08-12 22:20:02,650 INFO L130 PetriNetUnfolder]: For 94/104 co-relation queries the response was YES. [2021-08-12 22:20:02,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 50 events. 0/50 cut-off events. For 94/104 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 234 event pairs, 0 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-08-12 22:20:02,650 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2021-08-12 22:20:02,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 246 flow [2021-08-12 22:20:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:20:02,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:20:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2021-08-12 22:20:02,651 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8105263157894737 [2021-08-12 22:20:02,651 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 77 transitions. [2021-08-12 22:20:02,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 77 transitions. [2021-08-12 22:20:02,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:20:02,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 77 transitions. [2021-08-12 22:20:02,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-08-12 22:20:02,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:02,653 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2021-08-12 22:20:02,653 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 22 predicate places. [2021-08-12 22:20:02,653 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 24 transitions, 246 flow [2021-08-12 22:20:02,653 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-12 22:20:02,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 22:20:02,721 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 11633 in 58073410ns [2021-08-12 22:20:02,723 INFO L113 kiGriesValidityCheck]: 4#(or (and (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) v_np3_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) v_np21_1 v_np0_1) (and (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) v_np3_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) v_np5_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) v_np21_1 v_np0_1) (and v_np18_1 (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np22_1) (not v_np23_1) (not v_np2_1) (not v_np20_1) (not v_np17_1) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np21_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np0_1)) [2021-08-12 22:20:02,724 INFO L113 kiGriesValidityCheck]: 20#(or (and (not v_np16_1) v_np19_1 (not v_np22_1) (not v_np2_1) (not v_np20_1) (not v_np17_1) v_np15_1 (not v_np18_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np0_1) v_np21_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np23_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) v_np3_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) v_np21_1 v_np0_1) (and (not v_np20_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (or (and (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (and (or (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (<= ora_2 (+ cmp_7 ora_4)) (<= (+ cmp_7 ora_4) ora_2)) (not (= cmp_6 0)) (and (< ora_4 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_2 ora_4) (<= volume_totale_3 (+ cmp_7 volume_totale_5)))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4))) (and (or (and (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= volume_totale_3 (+ cmp_7 volume_totale_5)) (< ora_2 (+ ora_4 1))) (<= 1 cmp_7) (<= (+ ora_2 1) ora_4)) (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (< ora_2 (+ ora_4 1)) (<= ora_4 ora_2)) (<= (+ cmp_7 ora_4) ora_2))) (not (= cmp_6 0))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)))) (not v_np18_1) v_np1_1 (not v_np0_1) v_np22_1 v_np23_1) (and (not v_np22_1) (not v_np23_1) (not v_np20_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) v_np3_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) v_np5_1 (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) v_np21_1 v_np0_1) (and (not v_np20_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (or (and (or (and (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= volume_totale_3 (+ cmp_7 volume_totale_5)) (< ora_2 (+ ora_4 1))) (<= 1 cmp_7) (<= (+ ora_2 1) ora_4)) (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (< ora_2 (+ ora_4 1)) (<= ora_4 ora_2)) (<= (+ cmp_7 ora_4) ora_2))) (not (= cmp_6 0))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (not (= cmp_6 0)) (and (or (<= cmp_8 cmp_7) (<= 0 cmp_7)) (or (and (<= 1 cmp_7) (<= 1 cmp_8)) (and (<= cmp_8 cmp_7) (<= cmp_7 cmp_8)) (<= (+ cmp_7 1) 0)))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (not (= cmp_6 0)) (and (or (<= (+ cmp_8 ora_4) ora_0) (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1)))) (or (and (or (<= (+ cmp_8 1) 0) (<= (+ ora_4 1) ora_0)) (<= ora_0 (+ cmp_8 ora_4))) (and (<= volume_totale_1 (+ cmp_8 volume_totale_5)) (<= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_4 ora_0) (< ora_0 (+ ora_4 1)))))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (<= ora_4 ora_2) (= (+ cmp_8 ora_4) ora_2)) (or (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)) (and (<= ora_2 ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ cmp_8 1) 0) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_8) (<= ora_0 (+ cmp_7 ora_2))) (or (<= (+ cmp_7 ora_2 1) ora_0) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (and (<= (+ ora_0 1) (+ cmp_7 ora_2)) (<= 1 cmp_8)) (and (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)))) (or (<= (+ ora_0 cmp_8) (+ cmp_7 ora_2)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (<= ora_0 (+ cmp_7 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)))) (and (or (and (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= volume_totale_3 (+ cmp_7 volume_totale_5)) (< ora_2 (+ ora_4 1))) (<= 1 cmp_7) (<= (+ ora_2 1) ora_4)) (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (< ora_2 (+ ora_4 1)) (<= ora_4 ora_2)) (<= (+ cmp_7 ora_4) ora_2))) (not (= cmp_6 0))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ ora_2 1) ora_0) (and (<= 0 cmp_7) (<= volume_totale_3 (+ cmp_8 volume_totale_1))) (and (<= (+ cmp_7 1) 0) (<= (+ ora_0 cmp_8 1) ora_2)) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_7) (<= (+ ora_0 cmp_8) ora_2) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_7 ora_2) ora_0) (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (not (= cmp_6 0)) (and (or (<= (+ cmp_8 ora_4) ora_0) (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1)))) (or (and (or (<= (+ cmp_8 1) 0) (<= (+ ora_4 1) ora_0)) (<= ora_0 (+ cmp_8 ora_4))) (and (<= volume_totale_1 (+ cmp_8 volume_totale_5)) (<= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_4 ora_0) (< ora_0 (+ ora_4 1)))))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (<= ora_4 ora_2) (= (+ cmp_8 ora_4) ora_2)) (or (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)) (and (<= ora_2 ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (or (<= 1 cmp_7) (<= cmp_8 0)) (or (and (<= (+ cmp_7 1) 0) (<= (+ cmp_8 1) 0)) (and (<= 0 cmp_7) (<= 0 cmp_8))) (or (<= cmp_7 cmp_8) (<= cmp_7 0))) (not (= cmp_6 0))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)))) (and (or (and (or (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (<= ora_2 (+ cmp_7 ora_4)) (<= (+ cmp_7 ora_4) ora_2)) (not (= cmp_6 0)) (and (< ora_4 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_2 ora_4) (<= volume_totale_3 (+ cmp_7 volume_totale_5)))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (and (or (<= cmp_8 cmp_7) (<= 1 cmp_7)) (or (<= (+ cmp_7 1) 0) (<= cmp_7 cmp_8))) (not (= cmp_6 0))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (<= ora_4 ora_2) (= (+ cmp_8 ora_4) ora_2)) (or (and (or (<= (+ ora_0 1) ora_4) (and (<= (+ ora_4 volume_totale_1) (+ ora_0 cmp_8 volume_totale_5)) (<= (+ ora_0 cmp_8 volume_totale_5) (+ ora_4 volume_totale_1))) (<= (+ ora_4 1) ora_0)) (or (<= ora_0 ora_4) (<= ora_0 (+ cmp_8 ora_4))) (or (<= (+ cmp_8 ora_4) ora_0) (<= ora_4 ora_0))) (not (= cmp_6 0))) (or (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)) (and (<= ora_2 ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ cmp_8 1) 0) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_8) (<= ora_0 (+ cmp_7 ora_2))) (or (<= (+ cmp_7 ora_2 1) ora_0) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (and (<= (+ ora_0 1) (+ cmp_7 ora_2)) (<= 1 cmp_8)) (and (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)))) (or (<= (+ ora_0 cmp_8) (+ cmp_7 ora_2)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (<= ora_0 (+ cmp_7 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)))) (and (or (and (or (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (<= ora_2 (+ cmp_7 ora_4)) (<= (+ cmp_7 ora_4) ora_2)) (not (= cmp_6 0)) (and (< ora_4 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_2 ora_4) (<= volume_totale_3 (+ cmp_7 volume_totale_5)))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (not (= cmp_6 0)) (and (or (<= 1 cmp_8) (<= cmp_7 0)) (or (<= cmp_8 cmp_7) (<= (+ cmp_8 1) 0)) (or (<= 0 cmp_8) (<= cmp_7 cmp_8)))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (not (= cmp_6 0)) (and (or (<= (+ cmp_8 ora_4) ora_0) (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1)))) (or (and (or (<= (+ cmp_8 1) 0) (<= (+ ora_4 1) ora_0)) (<= ora_0 (+ cmp_8 ora_4))) (and (<= volume_totale_1 (+ cmp_8 volume_totale_5)) (<= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_4 ora_0) (< ora_0 (+ ora_4 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ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ cmp_8 1) 0) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_8) (<= ora_0 (+ cmp_7 ora_2))) (or (<= (+ cmp_7 ora_2 1) ora_0) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (and (<= (+ ora_0 1) (+ cmp_7 ora_2)) (<= 1 cmp_8)) (and (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)))) (or (<= (+ ora_0 cmp_8) (+ cmp_7 ora_2)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2) (<= ora_0 (+ cmp_7 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)))) (and (or (and (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= volume_totale_3 (+ cmp_7 volume_totale_5)) (< ora_2 (+ ora_4 1))) (<= 1 cmp_7) (<= (+ ora_2 1) ora_4)) (or (and (<= (+ cmp_7 volume_totale_5) volume_totale_3) (< ora_2 (+ ora_4 1)) (<= ora_4 ora_2)) (<= (+ cmp_7 ora_4) ora_2))) (not (= cmp_6 0))) (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ ora_2 1) ora_0) (and (<= 0 cmp_7) (<= volume_totale_3 (+ cmp_8 volume_totale_1))) (and (<= (+ cmp_7 1) 0) (<= (+ ora_0 cmp_8 1) ora_2)) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_7) (<= (+ ora_0 cmp_8) ora_2) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_7 ora_2) ora_0) (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (<= ora_4 ora_2) (= (+ cmp_8 ora_4) ora_2)) (or (and (or (<= (+ ora_0 1) ora_4) (and (<= (+ ora_4 volume_totale_1) (+ ora_0 cmp_8 volume_totale_5)) (<= (+ ora_0 cmp_8 volume_totale_5) (+ ora_4 volume_totale_1))) (<= (+ ora_4 1) ora_0)) (or (<= ora_0 ora_4) (<= ora_0 (+ cmp_8 ora_4))) (or (<= (+ cmp_8 ora_4) ora_0) (<= ora_4 ora_0))) (not (= cmp_6 0))) (or (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)) (and (<= ora_2 ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2))) (or (and (or (<= cmp_8 cmp_7) (<= (+ cmp_8 1) 0) (<= 1 cmp_7)) (<= cmp_7 cmp_8)) (not (= cmp_6 0)))) (and (or (and (<= ora_0 ora_4) (<= ora_4 ora_0) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_7 ora_4) ora_0))) (or (and (or (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (<= ora_2 (+ cmp_7 ora_4)) (<= (+ cmp_7 ora_4) ora_2)) (not (= cmp_6 0)) (and (< ora_4 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_2 ora_4) (<= volume_totale_3 (+ cmp_7 volume_totale_5)))) (or (= (+ cmp_7 ora_4) ora_0) (<= ora_4 ora_0)) (or (not (= volume_totale_3 volume_totale_1)) (and (or (<= (+ ora_2 1) ora_0) (and (<= 0 cmp_7) (<= volume_totale_3 (+ cmp_8 volume_totale_1))) (and (<= (+ cmp_7 1) 0) (<= (+ ora_0 cmp_8 1) ora_2)) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_8 volume_totale_1) (+ cmp_7 volume_totale_3)) (<= 1 cmp_7) (<= (+ ora_0 cmp_8) ora_2) (<= (+ ora_0 1) ora_2)) (or (<= (+ cmp_7 ora_2) ora_0) (<= (+ cmp_7 volume_totale_3) (+ cmp_8 volume_totale_1)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)))) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (or (and (<= ora_0 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_1)) (= (+ cmp_7 ora_4) ora_0)) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (<= ora_2 ora_0) (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (<= ora_0 ora_2))) (or (<= ora_4 ora_2) (= (+ cmp_8 ora_4) ora_2)) (or (and (or (<= (+ ora_0 1) ora_4) (and (<= (+ ora_4 volume_totale_1) (+ ora_0 cmp_8 volume_totale_5)) (<= (+ ora_0 cmp_8 volume_totale_5) (+ ora_4 volume_totale_1))) (<= (+ ora_4 1) ora_0)) (or (<= ora_0 ora_4) (<= ora_0 (+ cmp_8 ora_4))) (or (<= (+ cmp_8 ora_4) ora_0) (<= ora_4 ora_0))) (not (= cmp_6 0))) (or (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2)) (and (<= ora_2 ora_4) (= (+ cmp_8 volume_totale_5) volume_totale_3))) (or (and (<= cmp_8 cmp_7) (<= cmp_7 cmp_8)) (not (= cmp_6 0))) (or (and (not (= ora_0 ora_2)) (= ora_0 (+ cmp_6 ora_2))) (and (or (= volume_totale_3 volume_totale_1) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (or (not (= volume_totale_3 volume_totale_1)) (and (<= ora_2 ora_0) (<= ora_0 ora_2))))) (or (and (<= ora_2 ora_4) (<= ora_4 ora_2) (= (+ cmp_8 volume_totale_5) volume_totale_3)) (and (or (< ora_2 ora_4) (<= (+ ora_4 1) ora_2)) (= (+ cmp_8 ora_4) ora_2))))) (not v_np0_1) v_np21_1 v_np23_1) (and v_np18_1 (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np22_1) (not v_np23_1) (not v_np2_1) (not v_np20_1) (not v_np17_1) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np9_1) (not v_np8_1) v_np21_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np0_1)) [2021-08-12 22:20:02,759 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 47873928ns [2021-08-12 22:20:02,760 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 22:20:02,763 INFO L168 Benchmark]: Toolchain (without parser) took 3691.23 ms. Allocated memory was 215.0 MB in the beginning and 295.7 MB in the end (delta: 80.7 MB). Free memory was 196.5 MB in the beginning and 253.4 MB in the end (delta: -56.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. [2021-08-12 22:20:02,764 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.46 ms. Allocated memory is still 215.0 MB. Free memory is still 197.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 22:20:02,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 215.0 MB. Free memory was 196.4 MB in the beginning and 195.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 22:20:02,765 INFO L168 Benchmark]: Boogie Preprocessor took 14.97 ms. Allocated memory is still 215.0 MB. Free memory was 195.0 MB in the beginning and 194.1 MB in the end (delta: 826.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 22:20:02,765 INFO L168 Benchmark]: RCFGBuilder took 264.06 ms. Allocated memory is still 215.0 MB. Free memory was 194.0 MB in the beginning and 181.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-12 22:20:02,766 INFO L168 Benchmark]: TraceAbstraction took 3381.98 ms. Allocated memory was 215.0 MB in the beginning and 295.7 MB in the end (delta: 80.7 MB). Free memory was 181.3 MB in the beginning and 253.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. [2021-08-12 22:20:02,767 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 0.46 ms. Allocated memory is still 215.0 MB. Free memory is still 197.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.48 ms. Allocated memory is still 215.0 MB. Free memory was 196.4 MB in the beginning and 195.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.97 ms. Allocated memory is still 215.0 MB. Free memory was 195.0 MB in the beginning and 194.1 MB in the end (delta: 826.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 264.06 ms. Allocated memory is still 215.0 MB. Free memory was 194.0 MB in the beginning and 181.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3381.98 ms. Allocated memory was 215.0 MB in the beginning and 295.7 MB in the end (delta: 80.7 MB). Free memory was 181.3 MB in the beginning and 253.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...