/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/file-item-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 22:13:20,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 22:13:20,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 22:13:20,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 22:13:20,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 22:13:20,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 22:13:20,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 22:13:20,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 22:13:20,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 22:13:20,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 22:13:20,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 22:13:20,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 22:13:20,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 22:13:20,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 22:13:20,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 22:13:20,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 22:13:20,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 22:13:20,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 22:13:20,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 22:13:20,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 22:13:20,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 22:13:20,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 22:13:20,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 22:13:20,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 22:13:20,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-12 22:13:20,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-12 22:13:20,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-12 22:13:20,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-12 22:13:20,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-12 22:13:20,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-12 22:13:20,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 22:13:20,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 22:13:20,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 22:13:20,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 22:13:20,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 22:13:20,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 22:13:20,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 22:13:20,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 22:13:20,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 22:13:20,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 22:13:20,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 22:13:20,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-08-12 22:13:20,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 22:13:20,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 22:13:20,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 22:13:20,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 22:13:20,916 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 22:13:20,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 22:13:20,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 22:13:20,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 22:13:20,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 22:13:20,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 22:13:20,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 22:13:20,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 22:13:20,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 22:13:21,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 22:13:21,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 22:13:21,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 22:13:21,181 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 22:13:21,185 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 22:13:21,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/file-item-symm.wvr.bpl [2021-08-12 22:13:21,186 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/file-item-symm.wvr.bpl' [2021-08-12 22:13:21,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 22:13:21,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 22:13:21,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 22:13:21,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 22:13:21,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 22:13:21,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 22:13:21,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 22:13:21,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 22:13:21,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 22:13:21,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... [2021-08-12 22:13:21,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 22:13:21,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 22:13:21,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 22:13:21,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 22:13:21,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 22:13:21,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 22:13:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 22:13:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 22:13:21,322 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 22:13:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 22:13:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 22:13:21,323 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 22:13:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 22:13:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 22:13:21,324 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 22:13:21,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 22:13:21,433 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 22:13:21,434 INFO L202 PluginConnector]: Adding new model file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:13:21 BoogieIcfgContainer [2021-08-12 22:13:21,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 22:13:21,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 22:13:21,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 22:13:21,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 22:13:21,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:21" (1/2) ... [2021-08-12 22:13:21,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d6b53a and model type file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 10:13:21, skipping insertion in model container [2021-08-12 22:13:21,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "file-item-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:13:21" (2/2) ... [2021-08-12 22:13:21,439 INFO L111 eAbstractionObserver]: Analyzing ICFG file-item-symm.wvr.bpl [2021-08-12 22:13:21,443 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 22:13:21,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 22:13:21,444 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 22:13:21,472 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-12 22:13:21,487 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-12 22:13:21,501 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 22:13:21,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 22:13:21,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 22:13:21,501 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 22:13:21,501 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 22:13:21,502 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 22:13:21,502 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 22:13:21,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 22:13:21,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 14 transitions, 44 flow [2021-08-12 22:13:21,520 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-08-12 22:13:21,520 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 22:13:21,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 0/12 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 22:13:21,522 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 14 transitions, 44 flow [2021-08-12 22:13:21,524 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 17 places, 10 transitions, 32 flow [2021-08-12 22:13:21,528 INFO L129 PetriNetUnfolder]: 0/9 cut-off events. [2021-08-12 22:13:21,528 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 22:13:21,529 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:21,529 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:21,529 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:21,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:21,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1429089881, now seen corresponding path program 1 times [2021-08-12 22:13:21,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:21,539 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971431481] [2021-08-12 22:13:21,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:21,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:21,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:21,824 INFO L142 QuantifierPusher]: treesize reduction 132, result has 40.5 percent of original size [2021-08-12 22:13:21,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-08-12 22:13:22,143 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2021-08-12 22:13:22,161 INFO L142 QuantifierPusher]: treesize reduction 137, result has 31.2 percent of original size [2021-08-12 22:13:22,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-08-12 22:13:22,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:22,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:22,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:22,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971431481] [2021-08-12 22:13:22,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971431481] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:22,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:22,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 22:13:22,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129304319] [2021-08-12 22:13:22,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 22:13:22,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:22,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 22:13:22,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 22:13:22,208 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 14 [2021-08-12 22:13:22,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 10 transitions, 32 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:22,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 14 [2021-08-12 22:13:22,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:22,292 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-12 22:13:22,293 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-12 22:13:22,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 16 events. 0/16 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 1/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-08-12 22:13:22,294 INFO L132 encePairwiseOnDemand]: 11/14 looper letters, 2 selfloop transitions, 1 changer transitions 1/11 dead transitions. [2021-08-12 22:13:22,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 11 transitions, 42 flow [2021-08-12 22:13:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 22:13:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 22:13:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2021-08-12 22:13:22,302 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8035714285714286 [2021-08-12 22:13:22,302 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 45 transitions. [2021-08-12 22:13:22,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 45 transitions. [2021-08-12 22:13:22,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:22,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 45 transitions. [2021-08-12 22:13:22,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,310 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,310 INFO L348 CegarLoopForPetriNet]: 17 programPoint places, 3 predicate places. [2021-08-12 22:13:22,310 INFO L482 AbstractCegarLoop]: Abstraction has has 20 places, 11 transitions, 42 flow [2021-08-12 22:13:22,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,311 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:22,311 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:22,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 22:13:22,311 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:22,312 INFO L82 PathProgramCache]: Analyzing trace with hash -411680747, now seen corresponding path program 2 times [2021-08-12 22:13:22,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:22,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814654861] [2021-08-12 22:13:22,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:22,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:22,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:22,463 INFO L142 QuantifierPusher]: treesize reduction 716, result has 16.4 percent of original size [2021-08-12 22:13:22,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-08-12 22:13:22,670 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2021-08-12 22:13:22,731 INFO L142 QuantifierPusher]: treesize reduction 1960, result has 7.9 percent of original size [2021-08-12 22:13:22,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-08-12 22:13:22,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:22,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:22,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:22,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814654861] [2021-08-12 22:13:22,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814654861] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:22,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:22,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 22:13:22,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892722370] [2021-08-12 22:13:22,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 22:13:22,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:22,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 22:13:22,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 22:13:22,778 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 14 [2021-08-12 22:13:22,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 11 transitions, 42 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:22,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 14 [2021-08-12 22:13:22,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:22,836 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-08-12 22:13:22,837 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-08-12 22:13:22,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 14 events. 0/14 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 21 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-08-12 22:13:22,837 INFO L132 encePairwiseOnDemand]: 11/14 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2021-08-12 22:13:22,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 10 transitions, 48 flow [2021-08-12 22:13:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 22:13:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 22:13:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2021-08-12 22:13:22,838 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-08-12 22:13:22,838 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 44 transitions. [2021-08-12 22:13:22,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 44 transitions. [2021-08-12 22:13:22,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:22,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 44 transitions. [2021-08-12 22:13:22,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,841 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,842 INFO L348 CegarLoopForPetriNet]: 17 programPoint places, 4 predicate places. [2021-08-12 22:13:22,842 INFO L482 AbstractCegarLoop]: Abstraction has has 21 places, 10 transitions, 48 flow [2021-08-12 22:13:22,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:22,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 22:13:22,871 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 3716 in 23020217ns [2021-08-12 22:13:22,874 INFO L113 kiGriesValidityCheck]: 11#(or (and (or (<= (+ result_6 result_7) 0) (= (+ result_6 1) 0)) (not v_np15_1) (not v_np2_1) v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= 0 (+ result_6 result_7)) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) v_np0_1) (and (not v_np15_1) (not v_np2_1) v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1))) [2021-08-12 22:13:22,875 INFO L113 kiGriesValidityCheck]: 4#(or (and (not v_np15_1) v_np14_1 v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) v_np2_1 (<= 0 (+ result_6 result_7)) v_np3_1 (<= (+ result_6 result_7) 0) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 v_np16_1 v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1))) [2021-08-12 22:13:22,875 INFO L113 kiGriesValidityCheck]: 17#(or (and (or (<= (+ result_6 result_7) 0) (= (+ result_6 1) 0)) (not v_np15_1) (not v_np2_1) v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= 0 (+ result_6 result_7)) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) v_np0_1) (and (not v_np15_1) v_np14_1 v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) v_np2_1 (<= 0 (+ result_6 result_7)) v_np3_1 (<= (+ result_6 result_7) 0) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (or (<= (+ result_6 result_7) 0) (= (+ result_6 1) 0)) (not v_np15_1) (not v_np2_1) v_np14_1 v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (<= 0 (+ result_6 result_7)) v_np4_1 (not v_np8_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) v_np0_1 (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 v_np16_1 v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (not v_np5_1) (not v_np7_1) v_np3_1 (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 v_np16_1 v_np9_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) v_np6_1 (not v_np8_1) (not v_np0_1) v_np11_1 (not v_np1_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (not v_np15_1) (not v_np2_1) v_np14_1 v_np16_1 v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) v_np0_1 (not v_np10_1)) (and (not v_np15_1) v_np14_1 v_np16_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) v_np0_1 (not v_np10_1) (or (and (<= 0 (+ result_6 result_7)) (<= (+ result_6 result_7) 0) (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0))) (and (or (<= (+ result_6 result_7) 0) (= (+ result_6 1) 0)) (<= 0 (+ result_6 result_7)) (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0))))) (and (not v_np15_1) (not v_np2_1) v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (not v_np0_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1))) [2021-08-12 22:13:22,883 INFO L113 kiGriesValidityCheck]: 3#(or (and (not v_np16_1) v_np14_1 v_np15_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np0_1) v_np8_1 (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np15_1) v_np14_1 v_np16_1 (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) v_np9_1 (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)) (not v_np5_1) (not v_np7_1) v_np2_1 (<= 0 (+ result_6 result_7)) v_np3_1 (<= (+ result_6 result_7) 0) (not v_np8_1) (not v_np0_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np10_1)) (and (not v_np15_1) v_np14_1 v_np16_1 v_np9_1 (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np8_1) (not v_np11_1) (not v_np1_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) v_np0_1 (not v_np10_1) (or (and (<= 0 (+ result_6 result_7)) (<= (+ result_6 result_7) 0) (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0))) (and (or (<= (+ result_6 result_7) 0) (= (+ result_6 1) 0)) (<= 0 (+ result_6 result_7)) (or isNull_0 (and (or (not isNull_3) (= (+ result_6 1) 0)) (or isNull_3 (and (or (= (+ result_6 1) 0) (and (or (not filename_5) (and (= result_6 0) filename_2)) (or (and (or (not filename_2) (= result_6 1)) (or filename_2 (= filename_1 (+ filename_4 result_6)))) filename_5))) (or (and (or (= filename_1 (+ filename_4 result_6)) filename_5) (not filename_2)) (= result_6 0) (= result_6 1)))))) (or isNull_3 (and (or isNull_0 (and (or (and (or (not filename_5) (= result_7 1)) (or (not filename_2) (= (+ result_7 1) 0))) (and filename_2 (= result_7 0) filename_5)) (or filename_2 (= filename_4 (+ filename_1 result_7)) filename_5))) (or (= (+ result_7 1) 0) (not isNull_0)))) (or (and (or (not isNull_0) (= result_7 0)) (or isNull_0 (= result_7 1))) (not isNull_3)) (or (and (or isNull_3 (= result_6 1)) (or (not isNull_3) (= result_6 0))) (not isNull_0)))))) [2021-08-12 22:13:22,895 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 27762347ns [2021-08-12 22:13:22,896 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 22:13:22,901 INFO L168 Benchmark]: Toolchain (without parser) took 1674.05 ms. Allocated memory is still 225.4 MB. Free memory was 206.1 MB in the beginning and 146.9 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:22,901 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.38 ms. Allocated memory is still 225.4 MB. Free memory is still 207.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 22:13:22,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 225.4 MB. Free memory was 206.1 MB in the beginning and 204.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:22,902 INFO L168 Benchmark]: Boogie Preprocessor took 12.15 ms. Allocated memory is still 225.4 MB. Free memory was 204.7 MB in the beginning and 203.9 MB in the end (delta: 818.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:22,903 INFO L168 Benchmark]: RCFGBuilder took 173.70 ms. Allocated memory is still 225.4 MB. Free memory was 203.7 MB in the beginning and 194.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:22,904 INFO L168 Benchmark]: TraceAbstraction took 1463.20 ms. Allocated memory is still 225.4 MB. Free memory was 193.8 MB in the beginning and 146.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:22,908 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 0.38 ms. Allocated memory is still 225.4 MB. Free memory is still 207.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.77 ms. Allocated memory is still 225.4 MB. Free memory was 206.1 MB in the beginning and 204.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.15 ms. Allocated memory is still 225.4 MB. Free memory was 204.7 MB in the beginning and 203.9 MB in the end (delta: 818.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 173.70 ms. Allocated memory is still 225.4 MB. Free memory was 203.7 MB in the beginning and 194.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1463.20 ms. Allocated memory is still 225.4 MB. Free memory was 193.8 MB in the beginning and 146.9 MB in the end (delta: 46.9 MB). Peak memory consumption was 48.4 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...