/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/regression/showcase/Fischer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:50:46,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:50:46,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:50:46,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 21:50:46,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:50:46,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:50:46,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:50:46,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:50:46,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:50:46,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:50:46,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:50:46,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:50:46,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:50:46,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:50:46,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:50:46,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:50:46,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:50:46,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:50:46,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:50:46,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:50:46,064 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 21:50:46,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:50:46,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:50:46,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:50:46,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:50:46,085 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:50:46,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:50:46,085 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:50:46,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:50:46,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:50:46,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:50:46,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:50:46,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:50:46,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:50:46,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:50:46,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:50:46,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:50:46,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:50:46,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:50:46,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:50:46,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:50:46,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:50:46,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:50:46,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:50:46,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:50:46,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:50:46,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:50:46,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:50:46,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:50:46,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:50:46,457 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 21:50:46,458 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 21:50:46,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl [2021-08-12 21:50:46,460 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl' [2021-08-12 21:50:46,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:50:46,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 21:50:46,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:50:46,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:50:46,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:50:46,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:50:46,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:50:46,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:50:46,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:50:46,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/1) ... [2021-08-12 21:50:46,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:50:46,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:50:46,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:50:46,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:50:46,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (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 21:50:46,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-08-12 21:50:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-08-12 21:50:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-08-12 21:50:46,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-08-12 21:50:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-08-12 21:50:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-08-12 21:50:46,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 21:50:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:50:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:50:46,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-08-12 21:50:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-08-12 21:50:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-08-12 21:50:46,633 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 21:50:46,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:50:46,828 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-08-12 21:50:46,829 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:50:46 BoogieIcfgContainer [2021-08-12 21:50:46,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:50:46,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:50:46,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:50:46,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:50:46,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:50:46" (1/2) ... [2021-08-12 21:50:46,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bd6c88 and model type Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:50:46, skipping insertion in model container [2021-08-12 21:50:46,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:50:46" (2/2) ... [2021-08-12 21:50:46,836 INFO L111 eAbstractionObserver]: Analyzing ICFG Fischer.bpl [2021-08-12 21:50:46,857 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:50:46,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-12 21:50:46,859 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:50:46,879 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,880 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,881 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,881 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,881 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,881 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,882 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,882 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,883 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,883 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,884 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,884 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,885 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,885 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,885 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,885 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,890 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,892 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:50:46,893 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:50:46,913 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-12 21:50:46,945 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:50:46,946 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:50:46,946 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:50:46,946 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:50:46,946 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:50:46,946 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:50:46,946 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:50:46,947 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:50:46,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 46 transitions, 107 flow [2021-08-12 21:50:47,007 INFO L129 PetriNetUnfolder]: 5/43 cut-off events. [2021-08-12 21:50:47,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:50:47,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 5/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 111 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-08-12 21:50:47,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 46 transitions, 107 flow [2021-08-12 21:50:47,016 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 43 transitions, 95 flow [2021-08-12 21:50:47,025 INFO L129 PetriNetUnfolder]: 1/16 cut-off events. [2021-08-12 21:50:47,025 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:50:47,025 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,026 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,026 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,030 INFO L82 PathProgramCache]: Analyzing trace with hash -559778971, now seen corresponding path program 1 times [2021-08-12 21:50:47,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709097297] [2021-08-12 21:50:47,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,138 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 21:50:47,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709097297] [2021-08-12 21:50:47,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709097297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,140 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-12 21:50:47,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594859624] [2021-08-12 21:50:47,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:50:47,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:50:47,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:50:47,174 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 46 [2021-08-12 21:50:47,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 21:50:47,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 46 [2021-08-12 21:50:47,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,237 INFO L129 PetriNetUnfolder]: 31/134 cut-off events. [2021-08-12 21:50:47,237 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:50:47,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 134 events. 31/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 488 event pairs, 4 based on Foata normal form. 41/164 useless extension candidates. Maximal degree in co-relation 177. Up to 30 conditions per place. [2021-08-12 21:50:47,243 INFO L132 encePairwiseOnDemand]: 34/46 looper letters, 8 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2021-08-12 21:50:47,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 125 flow [2021-08-12 21:50:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:50:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:50:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions. [2021-08-12 21:50:47,253 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9057971014492754 [2021-08-12 21:50:47,254 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 125 transitions. [2021-08-12 21:50:47,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 125 transitions. [2021-08-12 21:50:47,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 125 transitions. [2021-08-12 21:50:47,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 21:50:47,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,263 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,264 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-08-12 21:50:47,264 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 125 flow [2021-08-12 21:50:47,264 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 21:50:47,265 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,265 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:50:47,265 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,266 INFO L82 PathProgramCache]: Analyzing trace with hash 403321209, now seen corresponding path program 1 times [2021-08-12 21:50:47,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227740754] [2021-08-12 21:50:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,290 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 21:50:47,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227740754] [2021-08-12 21:50:47,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227740754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:50:47,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516281767] [2021-08-12 21:50:47,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:50:47,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:50:47,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:50:47,294 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-08-12 21:50:47,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 21:50:47,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-08-12 21:50:47,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,382 INFO L129 PetriNetUnfolder]: 98/292 cut-off events. [2021-08-12 21:50:47,383 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:50:47,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 292 events. 98/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1399 event pairs, 13 based on Foata normal form. 4/267 useless extension candidates. Maximal degree in co-relation 518. Up to 115 conditions per place. [2021-08-12 21:50:47,388 INFO L132 encePairwiseOnDemand]: 36/46 looper letters, 13 selfloop transitions, 8 changer transitions 0/52 dead transitions. [2021-08-12 21:50:47,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 185 flow [2021-08-12 21:50:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:50:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:50:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2021-08-12 21:50:47,390 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8405797101449275 [2021-08-12 21:50:47,390 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 116 transitions. [2021-08-12 21:50:47,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 116 transitions. [2021-08-12 21:50:47,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 116 transitions. [2021-08-12 21:50:47,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 21:50:47,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,398 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2021-08-12 21:50:47,398 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 52 transitions, 185 flow [2021-08-12 21:50:47,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 21:50:47,398 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,398 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:50:47,399 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1014496749, now seen corresponding path program 2 times [2021-08-12 21:50:47,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202567039] [2021-08-12 21:50:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,422 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 21:50:47,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202567039] [2021-08-12 21:50:47,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202567039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:50:47,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421850659] [2021-08-12 21:50:47,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:50:47,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:50:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:50:47,425 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-08-12 21:50:47,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 52 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 21:50:47,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-08-12 21:50:47,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,492 INFO L129 PetriNetUnfolder]: 86/285 cut-off events. [2021-08-12 21:50:47,492 INFO L130 PetriNetUnfolder]: For 62/87 co-relation queries the response was YES. [2021-08-12 21:50:47,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 285 events. 86/285 cut-off events. For 62/87 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1201 event pairs, 12 based on Foata normal form. 11/272 useless extension candidates. Maximal degree in co-relation 630. Up to 110 conditions per place. [2021-08-12 21:50:47,496 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 16 selfloop transitions, 5 changer transitions 0/52 dead transitions. [2021-08-12 21:50:47,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 227 flow [2021-08-12 21:50:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:50:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:50:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2021-08-12 21:50:47,498 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8115942028985508 [2021-08-12 21:50:47,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 112 transitions. [2021-08-12 21:50:47,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 112 transitions. [2021-08-12 21:50:47,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 112 transitions. [2021-08-12 21:50:47,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 21:50:47,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,501 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2021-08-12 21:50:47,501 INFO L482 AbstractCegarLoop]: Abstraction has has 48 places, 52 transitions, 227 flow [2021-08-12 21:50:47,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 21:50:47,501 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,501 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:50:47,502 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1045005800, now seen corresponding path program 1 times [2021-08-12 21:50:47,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236369340] [2021-08-12 21:50:47,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,538 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 21:50:47,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236369340] [2021-08-12 21:50:47,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236369340] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:50:47,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841892944] [2021-08-12 21:50:47,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:50:47,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:50:47,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:50:47,547 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-08-12 21:50:47,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 52 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 21:50:47,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-08-12 21:50:47,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,637 INFO L129 PetriNetUnfolder]: 94/325 cut-off events. [2021-08-12 21:50:47,637 INFO L130 PetriNetUnfolder]: For 210/254 co-relation queries the response was YES. [2021-08-12 21:50:47,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 325 events. 94/325 cut-off events. For 210/254 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1445 event pairs, 11 based on Foata normal form. 8/310 useless extension candidates. Maximal degree in co-relation 864. Up to 124 conditions per place. [2021-08-12 21:50:47,642 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 16 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2021-08-12 21:50:47,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 309 flow [2021-08-12 21:50:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:50:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:50:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2021-08-12 21:50:47,644 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8188405797101449 [2021-08-12 21:50:47,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 113 transitions. [2021-08-12 21:50:47,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 113 transitions. [2021-08-12 21:50:47,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 113 transitions. [2021-08-12 21:50:47,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 21:50:47,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,646 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2021-08-12 21:50:47,647 INFO L482 AbstractCegarLoop]: Abstraction has has 50 places, 57 transitions, 309 flow [2021-08-12 21:50:47,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 21:50:47,647 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,647 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:50:47,647 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,648 INFO L82 PathProgramCache]: Analyzing trace with hash -937204554, now seen corresponding path program 2 times [2021-08-12 21:50:47,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125898806] [2021-08-12 21:50:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,683 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 21:50:47,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125898806] [2021-08-12 21:50:47,684 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125898806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:50:47,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063879115] [2021-08-12 21:50:47,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:50:47,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:50:47,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:50:47,686 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-08-12 21:50:47,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 57 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 21:50:47,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-08-12 21:50:47,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,750 INFO L129 PetriNetUnfolder]: 86/317 cut-off events. [2021-08-12 21:50:47,750 INFO L130 PetriNetUnfolder]: For 415/481 co-relation queries the response was YES. [2021-08-12 21:50:47,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 976 conditions, 317 events. 86/317 cut-off events. For 415/481 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1294 event pairs, 9 based on Foata normal form. 9/309 useless extension candidates. Maximal degree in co-relation 959. Up to 112 conditions per place. [2021-08-12 21:50:47,756 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 16 selfloop transitions, 8 changer transitions 0/55 dead transitions. [2021-08-12 21:50:47,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 55 transitions, 341 flow [2021-08-12 21:50:47,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:50:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:50:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions. [2021-08-12 21:50:47,759 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-12 21:50:47,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 115 transitions. [2021-08-12 21:50:47,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 115 transitions. [2021-08-12 21:50:47,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 115 transitions. [2021-08-12 21:50:47,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 21:50:47,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 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 21:50:47,763 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 4 predicate places. [2021-08-12 21:50:47,763 INFO L482 AbstractCegarLoop]: Abstraction has has 52 places, 55 transitions, 341 flow [2021-08-12 21:50:47,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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 21:50:47,763 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,764 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:50:47,764 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2031044475, now seen corresponding path program 1 times [2021-08-12 21:50:47,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003193592] [2021-08-12 21:50:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:47,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:47,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:47,850 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 21:50:47,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:47,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003193592] [2021-08-12 21:50:47,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003193592] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:47,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:47,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:50:47,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463593093] [2021-08-12 21:50:47,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:50:47,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:47,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:50:47,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:50:47,854 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 46 [2021-08-12 21:50:47,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 341 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 21:50:47,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:47,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 46 [2021-08-12 21:50:47,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:47,948 INFO L129 PetriNetUnfolder]: 243/570 cut-off events. [2021-08-12 21:50:47,948 INFO L130 PetriNetUnfolder]: For 506/535 co-relation queries the response was YES. [2021-08-12 21:50:47,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1654 conditions, 570 events. 243/570 cut-off events. For 506/535 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2319 event pairs, 41 based on Foata normal form. 18/563 useless extension candidates. Maximal degree in co-relation 1633. Up to 248 conditions per place. [2021-08-12 21:50:47,959 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 15 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2021-08-12 21:50:47,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 60 transitions, 387 flow [2021-08-12 21:50:47,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:50:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:50:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2021-08-12 21:50:47,961 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7554347826086957 [2021-08-12 21:50:47,961 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 139 transitions. [2021-08-12 21:50:47,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 139 transitions. [2021-08-12 21:50:47,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:47,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 139 transitions. [2021-08-12 21:50:47,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 21:50:47,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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 21:50:47,964 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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 21:50:47,964 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2021-08-12 21:50:47,965 INFO L482 AbstractCegarLoop]: Abstraction has has 55 places, 60 transitions, 387 flow [2021-08-12 21:50:47,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 21:50:47,965 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:47,965 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:47,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:50:47,966 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:47,966 INFO L82 PathProgramCache]: Analyzing trace with hash 755806298, now seen corresponding path program 1 times [2021-08-12 21:50:47,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:47,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604923705] [2021-08-12 21:50:47,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:48,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:50:48,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,057 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 21:50:48,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:48,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604923705] [2021-08-12 21:50:48,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604923705] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:48,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:48,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:50:48,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939372253] [2021-08-12 21:50:48,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:50:48,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:48,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:50:48,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:50:48,059 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 46 [2021-08-12 21:50:48,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 60 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 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 21:50:48,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:48,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 46 [2021-08-12 21:50:48,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:48,212 INFO L129 PetriNetUnfolder]: 275/656 cut-off events. [2021-08-12 21:50:48,212 INFO L130 PetriNetUnfolder]: For 649/705 co-relation queries the response was YES. [2021-08-12 21:50:48,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2241 conditions, 656 events. 275/656 cut-off events. For 649/705 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2744 event pairs, 32 based on Foata normal form. 18/652 useless extension candidates. Maximal degree in co-relation 2216. Up to 298 conditions per place. [2021-08-12 21:50:48,219 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 17 selfloop transitions, 4 changer transitions 21/83 dead transitions. [2021-08-12 21:50:48,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 83 transitions, 563 flow [2021-08-12 21:50:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:50:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:50:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 236 transitions. [2021-08-12 21:50:48,221 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7329192546583851 [2021-08-12 21:50:48,221 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 236 transitions. [2021-08-12 21:50:48,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 236 transitions. [2021-08-12 21:50:48,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:48,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 236 transitions. [2021-08-12 21:50:48,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 7 states have internal predecessors, (236), 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 21:50:48,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 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 21:50:48,223 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 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 21:50:48,223 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 13 predicate places. [2021-08-12 21:50:48,223 INFO L482 AbstractCegarLoop]: Abstraction has has 61 places, 83 transitions, 563 flow [2021-08-12 21:50:48,223 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.333333333333332) internal successors, (188), 6 states have internal predecessors, (188), 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 21:50:48,223 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:48,224 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:48,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 21:50:48,224 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:48,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:48,224 INFO L82 PathProgramCache]: Analyzing trace with hash -804605292, now seen corresponding path program 2 times [2021-08-12 21:50:48,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:48,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430511997] [2021-08-12 21:50:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:48,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:50:48,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,249 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 21:50:48,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:48,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430511997] [2021-08-12 21:50:48,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430511997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:48,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:48,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:50:48,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463158273] [2021-08-12 21:50:48,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:50:48,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:48,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:50:48,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:50:48,251 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 46 [2021-08-12 21:50:48,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 83 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 21:50:48,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:48,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 46 [2021-08-12 21:50:48,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:48,343 INFO L129 PetriNetUnfolder]: 285/685 cut-off events. [2021-08-12 21:50:48,343 INFO L130 PetriNetUnfolder]: For 789/879 co-relation queries the response was YES. [2021-08-12 21:50:48,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2696 conditions, 685 events. 285/685 cut-off events. For 789/879 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2879 event pairs, 30 based on Foata normal form. 24/686 useless extension candidates. Maximal degree in co-relation 2667. Up to 330 conditions per place. [2021-08-12 21:50:48,351 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 19 selfloop transitions, 3 changer transitions 25/89 dead transitions. [2021-08-12 21:50:48,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 89 transitions, 693 flow [2021-08-12 21:50:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:50:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:50:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 139 transitions. [2021-08-12 21:50:48,352 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7554347826086957 [2021-08-12 21:50:48,352 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 139 transitions. [2021-08-12 21:50:48,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 139 transitions. [2021-08-12 21:50:48,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:48,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 139 transitions. [2021-08-12 21:50:48,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 21:50:48,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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 21:50:48,354 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 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 21:50:48,354 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 16 predicate places. [2021-08-12 21:50:48,354 INFO L482 AbstractCegarLoop]: Abstraction has has 64 places, 89 transitions, 693 flow [2021-08-12 21:50:48,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 21:50:48,354 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:50:48,355 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:50:48,355 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 21:50:48,355 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process2Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:50:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:50:48,355 INFO L82 PathProgramCache]: Analyzing trace with hash 141026667, now seen corresponding path program 3 times [2021-08-12 21:50:48,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:50:48,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371386314] [2021-08-12 21:50:48,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:50:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:50:48,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:50:48,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:50:48,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:50:48,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:50:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:50:48,414 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:50:48,414 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371386314] [2021-08-12 21:50:48,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371386314] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:50:48,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:50:48,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 21:50:48,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952957492] [2021-08-12 21:50:48,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 21:50:48,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:50:48,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 21:50:48,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 21:50:48,417 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 46 [2021-08-12 21:50:48,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 89 transitions, 693 flow. Second operand has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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 21:50:48,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:50:48,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 46 [2021-08-12 21:50:48,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:50:48,612 INFO L129 PetriNetUnfolder]: 215/516 cut-off events. [2021-08-12 21:50:48,612 INFO L130 PetriNetUnfolder]: For 765/885 co-relation queries the response was YES. [2021-08-12 21:50:48,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2444 conditions, 516 events. 215/516 cut-off events. For 765/885 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2178 event pairs, 11 based on Foata normal form. 29/534 useless extension candidates. Maximal degree in co-relation 2411. Up to 285 conditions per place. [2021-08-12 21:50:48,615 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 0 selfloop transitions, 0 changer transitions 108/108 dead transitions. [2021-08-12 21:50:48,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 108 transitions, 1028 flow [2021-08-12 21:50:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 21:50:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 21:50:48,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 237 transitions. [2021-08-12 21:50:48,617 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7360248447204969 [2021-08-12 21:50:48,617 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 237 transitions. [2021-08-12 21:50:48,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 237 transitions. [2021-08-12 21:50:48,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:50:48,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 237 transitions. [2021-08-12 21:50:48,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 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 21:50:48,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 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 21:50:48,619 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 46.0) internal successors, (368), 8 states have internal predecessors, (368), 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 21:50:48,620 INFO L348 CegarLoopForPetriNet]: 48 programPoint places, 20 predicate places. [2021-08-12 21:50:48,620 INFO L482 AbstractCegarLoop]: Abstraction has has 68 places, 108 transitions, 1028 flow [2021-08-12 21:50:48,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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 21:50:48,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 21:50:48,905 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 37975 in 277191046ns [2021-08-12 21:50:48,910 INFO L113 kiGriesValidityCheck]: 30#(or (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) v_np9_1 (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np38_1 (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) (not v_np32_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) Process1Thread1of1ForFork1_deadline) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) (not v_np32_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) Process1Thread1of1ForFork1_deadline) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) (not v_np32_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) v_np30_1 (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) Process1Thread1of1ForFork1_deadline) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np20_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np43_1) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) v_np42_1 (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) (not v_np32_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) v_np11_1 (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (<= (+ Process2Thread1of1ForFork2_deadline 1) Process1Thread1of1ForFork1_deadline) (not v_np35_1))) [2021-08-12 21:50:48,918 INFO L113 kiGriesValidityCheck]: 42#false [2021-08-12 21:50:48,920 INFO L113 kiGriesValidityCheck]: 5#(or (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) v_np15_1 (not v_np21_1) v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) (not v_np32_1) (not v_np39_1) (<= 1 lock) (<= (+ clk 1) Process1Thread1of1ForFork1_deadline) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np16_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (= 0 critical) v_np27_1 (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (<= lock 0) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np29_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) v_np3_1 (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ delay 1) wait))) (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) v_np8_1 (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (or (and (<= 1 wait) (= 0 critical) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 1 lock) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 1 lock) (<= (+ clk 1) Process1Thread1of1ForFork1_deadline) (<= lock 1) (<= (+ delay 1) wait))) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) v_np15_1 (not v_np21_1) v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np22_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (not v_np10_1) (<= (+ delay 1) wait) (not v_np16_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (or (and (<= 1 wait) (= 0 critical) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ delay 1) wait))) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np22_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np39_1 (or (and (<= 1 wait) (= 0 critical) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 1 lock) (<= lock 1) (<= (+ delay 1) wait))) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np30_1) v_np45_1 v_np43_1 v_np0_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (not v_np24_1) (not v_np10_1) (<= (+ delay 1) wait) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 1) (<= (+ delay 1) wait))) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) v_np31_1 (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 v_np24_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (= 0 critical) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 1) (<= (+ delay 1) wait))) v_np43_1 (not v_np25_1) (not v_np23_1) (not v_np31_1) (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) v_np13_1 (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1))) [2021-08-12 21:50:48,922 INFO L113 kiGriesValidityCheck]: 26#(or (and (not v_np22_1) (not v_np37_1) v_np26_1 (not v_np42_1) v_np47_1 (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) v_np40_1 (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (or (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (<= 2 lock) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ delay 1) wait))) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np38_1 (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (= 0 critical) (not v_np32_1) (not v_np39_1) (<= 1 lock) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) v_np5_1 (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ clk 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ clk 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= 2 lock) (<= (+ clk 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= 1 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) v_np19_1 (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (= 0 critical) (not v_np32_1) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) v_np7_1 (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np36_1 (not v_np40_1) (<= lock 1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np20_1 (not v_np23_1) (not v_np31_1) v_np25_1 (= 0 critical) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (not v_np43_1) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) v_np42_1 (<= lock 0) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) v_np11_1 (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) v_np4_1 (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np31_1) v_np25_1 (not v_np20_1) (= 0 critical) (not v_np32_1) (not v_np39_1) (<= 1 lock) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (<= 1 wait) (<= 2 lock) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (not v_np24_1) (<= (+ delay 1) wait) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) v_np23_1 (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) clk) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process2Thread1of1ForFork2_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait))) (not v_np24_1) v_np30_1 (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1)) (and (not v_np22_1) (not v_np37_1) (not v_np42_1) v_np47_1 (not v_np3_1) (not v_np8_1) (not v_np38_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np34_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np21_1) v_np17_1 v_np36_1 (not v_np40_1) (not v_np19_1) (not v_np29_1) (not v_np44_1) (not v_np26_1) (not v_np33_1) (not v_np0_1) (not v_np30_1) v_np45_1 v_np43_1 (not v_np23_1) (not v_np31_1) v_np25_1 (not v_np20_1) (not v_np32_1) (not v_np39_1) v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (or (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= lock 0) (<= lock 1) (<= (+ delay 1) wait)) (and (<= 1 wait) (= 0 critical) (<= (+ Process1Thread1of1ForFork1_deadline 1) (+ wait clk)) (<= (+ Process1Thread1of1ForFork1_deadline 1) Process2Thread1of1ForFork2_deadline) (<= lock 0) (<= lock 1) (<= (+ Process1Thread1of1ForFork1_deadline 1) clk) (<= (+ delay 1) wait))) (not v_np24_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np18_1) (not v_np46_1) (not v_np28_1) (not v_np41_1) (not v_np35_1))) [2021-08-12 21:50:49,317 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 419836596ns [2021-08-12 21:50:49,318 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 21:50:49,321 INFO L168 Benchmark]: Toolchain (without parser) took 2812.47 ms. Allocated memory was 199.2 MB in the beginning and 289.4 MB in the end (delta: 90.2 MB). Free memory was 179.7 MB in the beginning and 143.1 MB in the end (delta: 36.6 MB). Peak memory consumption was 127.8 MB. Max. memory is 8.0 GB. [2021-08-12 21:50:49,321 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:50:49,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.33 ms. Allocated memory is still 199.2 MB. Free memory was 179.7 MB in the beginning and 178.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:50:49,322 INFO L168 Benchmark]: Boogie Preprocessor took 19.55 ms. Allocated memory is still 199.2 MB. Free memory was 178.2 MB in the beginning and 177.3 MB in the end (delta: 960.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:50:49,322 INFO L168 Benchmark]: RCFGBuilder took 272.34 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 164.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-12 21:50:49,323 INFO L168 Benchmark]: TraceAbstraction took 2489.02 ms. Allocated memory was 199.2 MB in the beginning and 289.4 MB in the end (delta: 90.2 MB). Free memory was 164.1 MB in the beginning and 143.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 112.1 MB. Max. memory is 8.0 GB. [2021-08-12 21:50:49,324 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 0.45 ms. Allocated memory is still 199.2 MB. Free memory is still 180.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.33 ms. Allocated memory is still 199.2 MB. Free memory was 179.7 MB in the beginning and 178.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.55 ms. Allocated memory is still 199.2 MB. Free memory was 178.2 MB in the beginning and 177.3 MB in the end (delta: 960.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 272.34 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 164.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2489.02 ms. Allocated memory was 199.2 MB in the beginning and 289.4 MB in the end (delta: 90.2 MB). Free memory was 164.1 MB in the beginning and 143.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 112.1 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...