/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-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 03:11:36,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 03:11:36,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 03:11:36,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 03:11:36,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 03:11:36,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 03:11:36,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 03:11:36,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 03:11:36,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 03:11:36,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 03:11:36,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 03:11:36,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 03:11:36,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 03:11:36,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 03:11:36,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 03:11:36,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 03:11:36,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 03:11:36,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 03:11:36,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 03:11:36,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 03:11:36,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 03:11:36,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 03:11:36,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 03:11:36,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 03:11:36,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 03:11:36,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 03:11:36,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 03:11:36,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 03:11:36,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 03:11:36,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 03:11:36,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 03:11:36,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 03:11:36,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 03:11:36,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 03:11:36,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 03:11:36,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 03:11:36,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 03:11:36,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 03:11:36,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 03:11:36,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 03:11:36,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 03:11:36,404 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-OGIterative.epf [2021-08-13 03:11:36,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 03:11:36,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 03:11:36,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 03:11:36,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 03:11:36,419 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 03:11:36,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 03:11:36,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 03:11:36,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 03:11:36,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 03:11:36,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 03:11:36,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 03:11:36,421 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 03:11:36,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 03:11:36,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 03:11:36,422 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 03:11:36,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 03:11:36,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 03:11:36,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 03:11:36,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 03:11:36,648 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 03:11:36,649 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 03:11:36,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl [2021-08-13 03:11:36,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl' [2021-08-13 03:11:36,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 03:11:36,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 03:11:36,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 03:11:36,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 03:11:36,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 03:11:36,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 03:11:36,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 03:11:36,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 03:11:36,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 03:11:36,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... [2021-08-13 03:11:36,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 03:11:36,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 03:11:36,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 03:11:36,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 03:11:36,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 03:11:36,755 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 03:11:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 03:11:36,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 03:11:36,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 03:11:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 03:11:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 03:11:36,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 03:11:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 03:11:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 03:11:36,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 03:11:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 03:11:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 03:11:36,757 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 03:11:36,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 03:11:36,889 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 03:11:36,890 INFO L202 PluginConnector]: Adding new model time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:11:36 BoogieIcfgContainer [2021-08-13 03:11:36,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 03:11:36,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 03:11:36,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 03:11:36,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 03:11:36,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:11:36" (1/2) ... [2021-08-13 03:11:36,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b9e343 and model type time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 03:11:36, skipping insertion in model container [2021-08-13 03:11:36,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:11:36" (2/2) ... [2021-08-13 03:11:36,895 INFO L111 eAbstractionObserver]: Analyzing ICFG time-trans.wvr.bpl [2021-08-13 03:11:36,898 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 03:11:36,899 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 03:11:36,899 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 03:11:36,920 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-13 03:11:36,940 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-13 03:11:36,963 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 03:11:36,963 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 03:11:36,963 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 03:11:36,963 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 03:11:36,963 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 03:11:36,963 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 03:11:36,963 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 03:11:36,964 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 03:11:36,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 19 transitions, 62 flow [2021-08-13 03:11:36,989 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-13 03:11:36,990 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 03:11:36,991 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. [2021-08-13 03:11:36,991 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 19 transitions, 62 flow [2021-08-13 03:11:36,993 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 14 transitions, 46 flow [2021-08-13 03:11:36,998 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-13 03:11:36,998 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 03:11:36,998 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:36,998 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:36,999 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:37,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:37,002 INFO L82 PathProgramCache]: Analyzing trace with hash 936082789, now seen corresponding path program 1 times [2021-08-13 03:11:37,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:37,007 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037804417] [2021-08-13 03:11:37,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:37,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,214 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:11:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:11:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 03:11:37,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:11:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:37,365 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:37,365 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037804417] [2021-08-13 03:11:37,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037804417] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:37,366 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:37,366 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:37,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177184721] [2021-08-13 03:11:37,372 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:37,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:37,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:37,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:37,382 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:37,384 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) [2021-08-13 03:11:37,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:37,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:37,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:37,532 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-08-13 03:11:37,532 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-08-13 03:11:37,533 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. [2021-08-13 03:11:37,535 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 2 changer transitions 1/18 dead transitions. [2021-08-13 03:11:37,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 70 flow [2021-08-13 03:11:37,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 03:11:37,543 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 03:11:37,544 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:37,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,548 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) [2021-08-13 03:11:37,552 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) [2021-08-13 03:11:37,553 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) [2021-08-13 03:11:37,553 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2021-08-13 03:11:37,553 INFO L482 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 70 flow [2021-08-13 03:11:37,554 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) [2021-08-13 03:11:37,554 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:37,554 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:37,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 03:11:37,554 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:37,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1811602917, now seen corresponding path program 2 times [2021-08-13 03:11:37,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:37,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469465643] [2021-08-13 03:11:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:37,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,622 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-08-13 03:11:37,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:11:37,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-08-13 03:11:37,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:11:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:11:37,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:37,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:37,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469465643] [2021-08-13 03:11:37,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469465643] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:37,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:37,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:37,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888012268] [2021-08-13 03:11:37,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:37,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:37,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:37,705 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:37,707 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) [2021-08-13 03:11:37,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:37,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:37,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:37,805 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-08-13 03:11:37,806 INFO L130 PetriNetUnfolder]: For 20/26 co-relation queries the response was YES. [2021-08-13 03:11:37,806 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. [2021-08-13 03:11:37,807 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 3 changer transitions 4/22 dead transitions. [2021-08-13 03:11:37,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 110 flow [2021-08-13 03:11:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 03:11:37,809 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 03:11:37,809 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:37,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,812 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) [2021-08-13 03:11:37,815 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) [2021-08-13 03:11:37,815 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) [2021-08-13 03:11:37,816 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-08-13 03:11:37,816 INFO L482 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 110 flow [2021-08-13 03:11:37,819 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) [2021-08-13 03:11:37,819 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:37,819 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:37,819 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 03:11:37,819 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1021396753, now seen corresponding path program 3 times [2021-08-13 03:11:37,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:37,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070982113] [2021-08-13 03:11:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:37,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,858 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-08-13 03:11:37,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:11:37,867 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-08-13 03:11:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 03:11:37,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:11:37,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:37,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:37,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:37,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070982113] [2021-08-13 03:11:37,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070982113] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:37,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:37,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:37,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106069445] [2021-08-13 03:11:37,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:37,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:37,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:37,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:37,900 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:37,900 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) [2021-08-13 03:11:37,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:37,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:37,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:37,988 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-08-13 03:11:37,988 INFO L130 PetriNetUnfolder]: For 35/39 co-relation queries the response was YES. [2021-08-13 03:11:37,989 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. [2021-08-13 03:11:37,989 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 7 selfloop transitions, 3 changer transitions 6/26 dead transitions. [2021-08-13 03:11:37,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 166 flow [2021-08-13 03:11:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 03:11:37,991 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 03:11:37,991 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:37,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 03:11:37,992 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) [2021-08-13 03:11:37,993 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) [2021-08-13 03:11:37,993 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) [2021-08-13 03:11:37,993 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2021-08-13 03:11:37,993 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 166 flow [2021-08-13 03:11:37,993 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) [2021-08-13 03:11:37,993 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:37,993 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:37,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 03:11:37,994 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:37,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:37,994 INFO L82 PathProgramCache]: Analyzing trace with hash -626083743, now seen corresponding path program 4 times [2021-08-13 03:11:37,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:37,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896763825] [2021-08-13 03:11:37,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:38,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,044 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-08-13 03:11:38,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:11:38,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 03:11:38,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:11:38,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:38,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:38,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896763825] [2021-08-13 03:11:38,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896763825] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:38,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:38,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:38,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490267316] [2021-08-13 03:11:38,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:38,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:38,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:38,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:38,097 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:38,097 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) [2021-08-13 03:11:38,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:38,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:38,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:38,178 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-08-13 03:11:38,179 INFO L130 PetriNetUnfolder]: For 58/79 co-relation queries the response was YES. [2021-08-13 03:11:38,179 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. [2021-08-13 03:11:38,179 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 1 changer transitions 9/25 dead transitions. [2021-08-13 03:11:38,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 188 flow [2021-08-13 03:11:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-13 03:11:38,180 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-13 03:11:38,180 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:38,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,181 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) [2021-08-13 03:11:38,181 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) [2021-08-13 03:11:38,181 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) [2021-08-13 03:11:38,181 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 16 predicate places. [2021-08-13 03:11:38,181 INFO L482 AbstractCegarLoop]: Abstraction has has 40 places, 25 transitions, 188 flow [2021-08-13 03:11:38,181 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) [2021-08-13 03:11:38,181 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:38,181 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:38,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 03:11:38,182 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1409569935, now seen corresponding path program 5 times [2021-08-13 03:11:38,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:38,182 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886824353] [2021-08-13 03:11:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,201 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-08-13 03:11:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:11:38,209 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-08-13 03:11:38,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 03:11:38,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 03:11:38,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:38,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:38,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886824353] [2021-08-13 03:11:38,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886824353] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:38,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:38,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:38,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907133548] [2021-08-13 03:11:38,237 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:38,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:38,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:38,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:38,238 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:38,238 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) [2021-08-13 03:11:38,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:38,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:38,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:38,305 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-08-13 03:11:38,305 INFO L130 PetriNetUnfolder]: For 93/118 co-relation queries the response was YES. [2021-08-13 03:11:38,305 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. [2021-08-13 03:11:38,305 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 3 selfloop transitions, 1 changer transitions 12/26 dead transitions. [2021-08-13 03:11:38,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 26 transitions, 230 flow [2021-08-13 03:11:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:38,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-13 03:11:38,306 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-13 03:11:38,306 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:38,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-13 03:11:38,306 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) [2021-08-13 03:11:38,307 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) [2021-08-13 03:11:38,307 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) [2021-08-13 03:11:38,307 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 20 predicate places. [2021-08-13 03:11:38,307 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 26 transitions, 230 flow [2021-08-13 03:11:38,307 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) [2021-08-13 03:11:38,307 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:11:38,307 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:11:38,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 03:11:38,308 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:11:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:11:38,308 INFO L82 PathProgramCache]: Analyzing trace with hash -979384337, now seen corresponding path program 6 times [2021-08-13 03:11:38,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:11:38,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539903358] [2021-08-13 03:11:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:11:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:11:38,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,326 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 03:11:38,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 03:11:38,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 03:11:38,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:11:38,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:11:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:11:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:11:38,413 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:11:38,413 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539903358] [2021-08-13 03:11:38,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539903358] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:11:38,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:11:38,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:11:38,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525587168] [2021-08-13 03:11:38,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:11:38,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:11:38,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:11:38,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:11:38,415 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 03:11:38,415 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) [2021-08-13 03:11:38,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:11:38,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 03:11:38,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:11:38,500 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-08-13 03:11:38,500 INFO L130 PetriNetUnfolder]: For 94/104 co-relation queries the response was YES. [2021-08-13 03:11:38,500 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. [2021-08-13 03:11:38,501 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2021-08-13 03:11:38,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 246 flow [2021-08-13 03:11:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:11:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:11:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2021-08-13 03:11:38,501 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8105263157894737 [2021-08-13 03:11:38,501 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 77 transitions. [2021-08-13 03:11:38,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 77 transitions. [2021-08-13 03:11:38,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:11:38,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 77 transitions. [2021-08-13 03:11:38,502 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) [2021-08-13 03:11:38,502 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) [2021-08-13 03:11:38,502 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) [2021-08-13 03:11:38,502 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 22 predicate places. [2021-08-13 03:11:38,502 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 24 transitions, 246 flow [2021-08-13 03:11:38,502 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) [2021-08-13 03:11:38,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 03:12:22,301 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 9244 in 43776288094ns [2021-08-13 03:12:22,303 INFO L113 kiGriesValidityCheck]: 4#(or (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (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 v_np5_1 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) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (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 v_np21_1 v_np0_1)) [2021-08-13 03:12:22,303 INFO L113 kiGriesValidityCheck]: 20#(or (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np20_1) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (or (and (or (<= ora_2 ora_4) (<= ora_2 (+ cmp_8 ora_4))) (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2))) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) ora_4)) (not v_np9_1) (not v_np8_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (or (<= (+ ora_0 cmp_7) ora_2) (and (<= ora_2 ora_0) (< ora_0 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3))) (and (or (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)) (<= ora_0 (+ cmp_8 ora_2))) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (not v_np1_1) (not v_np11_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_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) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (not v_np18_1) (or (<= cmp_6 cmp_8) (<= cmp_7 cmp_8) (<= (+ cmp_6 cmp_7) 0) (<= cmp_7 0)) (not v_np0_1) v_np22_1 v_np23_1) (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 (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np20_1) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (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) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) v_np1_1 (not v_np0_1) v_np22_1 v_np23_1) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np20_1) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (or (and (or (<= ora_2 ora_4) (<= ora_2 (+ cmp_8 ora_4))) (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2))) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) ora_4)) (not v_np9_1) (not v_np8_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (or (<= (+ ora_0 cmp_7) ora_2) (and (<= ora_2 ora_0) (< ora_0 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3))) (and (or (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)) (<= ora_0 (+ cmp_8 ora_2))) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (not v_np1_1) (not v_np11_1) (not v_np6_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) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (not v_np18_1) (or (<= cmp_6 cmp_8) (<= cmp_7 cmp_8) (<= (+ cmp_6 cmp_7) 0) (<= cmp_7 0)) v_np4_1 (not v_np0_1) v_np22_1 v_np23_1) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (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 v_np5_1 v_np21_1 v_np0_1) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np22_1) (not v_np20_1) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (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_np19_1 (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np17_1) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) v_np16_1 (not v_np18_1) (or (and (or (<= 1 cmp_8) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4))) (or (<= ora_2 (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)))) (and (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (or (<= ora_2 ora_4) (<= (+ cmp_6 ora_2) ora_4)))) (or (<= cmp_7 cmp_8) (<= 1 cmp_8) (<= cmp_6 0) (<= (+ cmp_6 cmp_7) 0)) (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) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (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 v_np21_1 v_np0_1)) [2021-08-13 03:12:22,309 INFO L113 kiGriesValidityCheck]: 19#(or (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np22_1) (not v_np23_1) (not v_np2_1) (not v_np17_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np6_1 v_np21_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np19_1) v_np4_1 v_np7_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np4_1 v_np8_1 v_np22_1 v_np0_1 v_np20_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) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_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_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (not v_np19_1) v_np1_1 v_np2_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np23_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np1_1 (not v_np3_1) (not v_np9_1) v_np8_1 (not v_np11_1) (not v_np14_1) v_np22_1 v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np3_1) (not v_np9_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_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (not v_np19_1) v_np1_1 v_np7_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np22_1) (not v_np23_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np19_1) v_np6_1 v_np7_1 v_np21_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np19_1) v_np2_1 v_np4_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np19_1) v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np19_1) v_np2_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np3_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np21_1) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np19_1) v_np7_1 v_np8_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np22_1) (not v_np23_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) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np19_1) v_np2_1 v_np6_1 v_np21_1 v_np0_1 v_np20_1)) [2021-08-13 03:12:22,365 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 85592557ns [2021-08-13 03:12:22,365 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) [2021-08-13 03:12:22,368 INFO L168 Benchmark]: Toolchain (without parser) took 45702.85 ms. Allocated memory was 225.4 MB in the beginning and 470.8 MB in the end (delta: 245.4 MB). Free memory was 206.0 MB in the beginning and 443.2 MB in the end (delta: -237.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. [2021-08-13 03:12:22,368 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 225.4 MB. Free memory is still 207.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 03:12:22,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.98 ms. Allocated memory is still 225.4 MB. Free memory was 205.8 MB in the beginning and 204.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:12:22,369 INFO L168 Benchmark]: Boogie Preprocessor took 10.17 ms. Allocated memory is still 225.4 MB. Free memory was 204.5 MB in the beginning and 203.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:12:22,369 INFO L168 Benchmark]: RCFGBuilder took 196.43 ms. Allocated memory is still 225.4 MB. Free memory was 203.5 MB in the beginning and 191.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 03:12:22,369 INFO L168 Benchmark]: TraceAbstraction took 45475.63 ms. Allocated memory was 225.4 MB in the beginning and 470.8 MB in the end (delta: 245.4 MB). Free memory was 190.5 MB in the beginning and 443.2 MB in the end (delta: -252.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 03:12:22,370 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 0.12 ms. Allocated memory is still 225.4 MB. Free memory is still 207.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.98 ms. Allocated memory is still 225.4 MB. Free memory was 205.8 MB in the beginning and 204.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.17 ms. Allocated memory is still 225.4 MB. Free memory was 204.5 MB in the beginning and 203.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 196.43 ms. Allocated memory is still 225.4 MB. Free memory was 203.5 MB in the beginning and 191.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45475.63 ms. Allocated memory was 225.4 MB in the beginning and 470.8 MB in the end (delta: 245.4 MB). Free memory was 190.5 MB in the beginning and 443.2 MB in the end (delta: -252.8 MB). There was no memory consumed. 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...