/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/pthread_inc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 14:32:54,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 14:32:54,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 14:32:54,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 14:32:54,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 14:32:54,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 14:32:54,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 14:32:54,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 14:32:54,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 14:32:54,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 14:32:54,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 14:32:54,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 14:32:54,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 14:32:54,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 14:32:54,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 14:32:54,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 14:32:54,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 14:32:54,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 14:32:54,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 14:32:54,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 14:32:54,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 14:32:54,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 14:32:54,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 14:32:54,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 14:32:54,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 14:32:54,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 14:32:54,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 14:32:54,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 14:32:54,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 14:32:54,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 14:32:54,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 14:32:54,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 14:32:54,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 14:32:54,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 14:32:54,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 14:32:54,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 14:32:54,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 14:32:54,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 14:32:54,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 14:32:54,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 14:32:54,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 14:32:54,497 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 [2021-06-10 14:32:54,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 14:32:54,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 14:32:54,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 14:32:54,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 14:32:54,535 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 14:32:54,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 14:32:54,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 14:32:54,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 14:32:54,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 14:32:54,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 14:32:54,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 14:32:54,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 14:32:54,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 14:32:54,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 14:32:54,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 14:32:54,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 14:32:54,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 14:32:54,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 14:32:54,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 14:32:54,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 14:32:54,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 14:32:54,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 14:32:54,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-10 14:32:54,871 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-10 14:32:54,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/pthread_inc.bpl [2021-06-10 14:32:54,872 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/pthread_inc.bpl' [2021-06-10 14:32:54,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 14:32:54,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-10 14:32:54,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 14:32:54,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 14:32:54,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 14:32:54,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 14:32:54,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 14:32:54,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 14:32:54,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 14:32:54,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/1) ... [2021-06-10 14:32:54,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 14:32:54,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 14:32:54,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 14:32:54,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 14:32:54,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (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 [2021-06-10 14:32:55,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-10 14:32:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 14:32:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 14:32:55,037 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2021-06-10 14:32:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-06-10 14:32:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-06-10 14:32:55,039 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 14:32:55,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 14:32:55,159 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-10 14:32:55,161 INFO L202 PluginConnector]: Adding new model pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:32:55 BoogieIcfgContainer [2021-06-10 14:32:55,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 14:32:55,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 14:32:55,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 14:32:55,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 14:32:55,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.06 02:32:54" (1/2) ... [2021-06-10 14:32:55,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffe5e9b and model type pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 02:32:55, skipping insertion in model container [2021-06-10 14:32:55,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 02:32:55" (2/2) ... [2021-06-10 14:32:55,168 INFO L111 eAbstractionObserver]: Analyzing ICFG pthread_inc.bpl [2021-06-10 14:32:55,172 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 14:32:55,175 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-10 14:32:55,176 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 14:32:55,191 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,191 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,192 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,192 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,192 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,193 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,193 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,193 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,195 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,197 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:55,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-10 14:32:55,231 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:55,231 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:55,231 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:55,231 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:55,231 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:55,231 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:55,232 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:55,232 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:55,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 11 transitions, 27 flow [2021-06-10 14:32:55,253 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-10 14:32:55,253 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 12 events. 0/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 5 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. [2021-06-10 14:32:55,255 INFO L82 GeneralOperation]: Start removeDead. Operand has 14 places, 11 transitions, 27 flow [2021-06-10 14:32:55,257 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 14 places, 11 transitions, 27 flow [2021-06-10 14:32:55,266 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-06-10 14:32:55,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:55,267 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-10 14:32:55,267 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-10 14:32:55,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:55,275 INFO L82 PathProgramCache]: Analyzing trace with hash 50162, now seen corresponding path program 1 times [2021-06-10 14:32:55,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:55,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505268070] [2021-06-10 14:32:55,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,355 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,361 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,372 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:32:55,373 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:32:55,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 14:32:55,374 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:32:55,374 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-10 14:32:55,397 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,397 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,397 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,397 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,397 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,398 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,398 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,398 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,398 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,399 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,400 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,400 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,403 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,407 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:55,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-10 14:32:55,408 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:55,409 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:55,409 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:55,409 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:55,409 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:55,409 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:55,409 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:55,409 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:55,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 50 flow [2021-06-10 14:32:55,415 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-06-10 14:32:55,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-10 14:32:55,416 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 50 flow [2021-06-10 14:32:55,424 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 19 transitions, 50 flow [2021-06-10 14:32:55,429 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-06-10 14:32:55,429 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:55,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-06-10 14:32:55,430 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:55,431 INFO L82 PathProgramCache]: Analyzing trace with hash 2146966, now seen corresponding path program 1 times [2021-06-10 14:32:55,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:55,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673591125] [2021-06-10 14:32:55,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,441 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,447 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,451 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:32:55,451 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:32:55,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 14:32:55,452 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:32:55,453 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-10 14:32:55,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,469 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,469 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,470 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,471 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,471 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,471 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,472 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,472 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,473 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,473 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,475 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,475 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,475 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,475 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,476 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,478 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,494 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,495 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:55,496 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 14:32:55,497 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:55,497 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:55,497 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:55,497 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:55,497 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:55,497 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:55,497 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:55,497 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:55,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 75 flow [2021-06-10 14:32:55,504 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-06-10 14:32:55,505 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-10 14:32:55,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 27 transitions, 75 flow [2021-06-10 14:32:55,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 75 flow [2021-06-10 14:32:55,528 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-06-10 14:32:55,529 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:55,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-10 14:32:55,529 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:55,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:55,530 INFO L82 PathProgramCache]: Analyzing trace with hash 92537823, now seen corresponding path program 1 times [2021-06-10 14:32:55,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:55,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529290013] [2021-06-10 14:32:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,534 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,536 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,537 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:32:55,537 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:32:55,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 14:32:55,538 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:32:55,538 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-10 14:32:55,563 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,563 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,563 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,563 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,564 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,564 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,564 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,564 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,564 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,565 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,566 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,566 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,566 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,566 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,566 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,567 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,568 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,570 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,571 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,572 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,591 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:55,591 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-10 14:32:55,592 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:55,592 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:55,592 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:55,592 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:55,592 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:55,593 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:55,593 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:55,593 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:55,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-06-10 14:32:55,611 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-06-10 14:32:55,612 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 106 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-06-10 14:32:55,612 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 35 transitions, 102 flow [2021-06-10 14:32:55,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 35 transitions, 102 flow [2021-06-10 14:32:55,617 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-06-10 14:32:55,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:55,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-06-10 14:32:55,618 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:55,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:55,618 INFO L82 PathProgramCache]: Analyzing trace with hash -384193469, now seen corresponding path program 1 times [2021-06-10 14:32:55,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:55,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220577618] [2021-06-10 14:32:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,623 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:55,625 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:55,627 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:32:55,627 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:32:55,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 14:32:55,628 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:32:55,628 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,637 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,638 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,639 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,639 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,639 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,639 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,639 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,640 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,641 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,642 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,643 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,643 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,643 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,643 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,644 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,645 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,646 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,647 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,648 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:55,650 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:55,650 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-10 14:32:55,651 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:55,651 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:55,651 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:55,651 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:55,651 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:55,652 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:55,652 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:55,652 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:55,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 131 flow [2021-06-10 14:32:55,667 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-06-10 14:32:55,667 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 150 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-06-10 14:32:55,668 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 43 transitions, 131 flow [2021-06-10 14:32:55,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 43 transitions, 131 flow [2021-06-10 14:32:55,673 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-06-10 14:32:55,674 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:55,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:55,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:32:55,674 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:55,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1926720781, now seen corresponding path program 1 times [2021-06-10 14:32:55,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:55,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405277836] [2021-06-10 14:32:55,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:32:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:32:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:32:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:32:55,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 14:32:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 14:32:55,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405277836] [2021-06-10 14:32:55,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:32:55,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 14:32:55,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210612225] [2021-06-10 14:32:55,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 14:32:55,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:32:55,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 14:32:55,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 14:32:55,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 43 [2021-06-10 14:32:55,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2021-06-10 14:32:55,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:32:55,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 43 [2021-06-10 14:32:55,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 14:32:57,976 INFO L129 PetriNetUnfolder]: 12575/19661 cut-off events. [2021-06-10 14:32:57,976 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:32:58,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36595 conditions, 19661 events. 12575/19661 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1174. Compared 155392 event pairs, 7859 based on Foata normal form. 0/15426 useless extension candidates. Maximal degree in co-relation 36550. Up to 12044 conditions per place. [2021-06-10 14:32:58,219 INFO L132 encePairwiseOnDemand]: 36/43 looper letters, 32 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2021-06-10 14:32:58,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 60 transitions, 241 flow [2021-06-10 14:32:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 14:32:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 14:32:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-06-10 14:32:58,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.813953488372093 [2021-06-10 14:32:58,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-06-10 14:32:58,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-06-10 14:32:58,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 14:32:58,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-06-10 14:32:58,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2021-06-10 14:32:58,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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) [2021-06-10 14:32:58,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 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) [2021-06-10 14:32:58,240 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 131 flow. Second operand 3 states and 105 transitions. [2021-06-10 14:32:58,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 60 transitions, 241 flow [2021-06-10 14:32:58,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 60 transitions, 221 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-06-10 14:32:58,246 INFO L241 Difference]: Finished difference. Result has 58 places, 48 transitions, 157 flow [2021-06-10 14:32:58,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2021-06-10 14:32:58,249 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 4 predicate places. [2021-06-10 14:32:58,249 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 157 flow [2021-06-10 14:32:58,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 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) [2021-06-10 14:32:58,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:58,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:32:58,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 14:32:58,250 INFO L428 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:58,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:58,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1962030060, now seen corresponding path program 1 times [2021-06-10 14:32:58,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:58,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052830627] [2021-06-10 14:32:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:58,255 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:32:58,258 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:32:58,260 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:32:58,260 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:32:58,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 14:32:58,260 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:32:58,261 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-06-10 14:32:58,267 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,267 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,268 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,269 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,269 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,269 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,269 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,269 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,270 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,271 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,271 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,271 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,271 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,271 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,272 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,272 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,272 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,272 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,272 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,273 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,273 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,273 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,273 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,273 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,274 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,275 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,275 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,275 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,275 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,278 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,279 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,279 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,280 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,281 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:32:58,282 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:32:58,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-10 14:32:58,283 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:32:58,283 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:32:58,283 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:32:58,283 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:32:58,283 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:32:58,283 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:32:58,283 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:32:58,283 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:32:58,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 162 flow [2021-06-10 14:32:58,291 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-06-10 14:32:58,291 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:58,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 205 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-06-10 14:32:58,292 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 162 flow [2021-06-10 14:32:58,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 51 transitions, 162 flow [2021-06-10 14:32:58,295 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-06-10 14:32:58,295 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:32:58,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:32:58,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:32:58,296 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:32:58,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:32:58,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1687329244, now seen corresponding path program 1 times [2021-06-10 14:32:58,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:32:58,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832332535] [2021-06-10 14:32:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:32:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:32:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:32:58,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:32:58,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:32:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 14:32:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 14:32:58,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832332535] [2021-06-10 14:32:58,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:32:58,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 14:32:58,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805131493] [2021-06-10 14:32:58,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 14:32:58,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:32:58,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 14:32:58,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 14:32:58,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 51 [2021-06-10 14:32:58,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 51 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-06-10 14:32:58,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:32:58,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 51 [2021-06-10 14:32:58,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 14:33:11,767 INFO L129 PetriNetUnfolder]: 80803/116500 cut-off events. [2021-06-10 14:33:11,768 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:33:12,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219123 conditions, 116500 events. 80803/116500 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5320. Compared 966442 event pairs, 51919 based on Foata normal form. 0/90812 useless extension candidates. Maximal degree in co-relation 219067. Up to 74490 conditions per place. [2021-06-10 14:33:13,443 INFO L132 encePairwiseOnDemand]: 43/51 looper letters, 39 selfloop transitions, 7 changer transitions 0/72 dead transitions. [2021-06-10 14:33:13,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 72 transitions, 296 flow [2021-06-10 14:33:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 14:33:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 14:33:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions. [2021-06-10 14:33:13,448 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8169934640522876 [2021-06-10 14:33:13,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 125 transitions. [2021-06-10 14:33:13,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 125 transitions. [2021-06-10 14:33:13,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 14:33:13,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 125 transitions. [2021-06-10 14:33:13,452 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) [2021-06-10 14:33:13,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 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) [2021-06-10 14:33:13,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 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) [2021-06-10 14:33:13,454 INFO L185 Difference]: Start difference. First operand has 64 places, 51 transitions, 162 flow. Second operand 3 states and 125 transitions. [2021-06-10 14:33:13,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 72 transitions, 296 flow [2021-06-10 14:33:13,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 72 transitions, 266 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-06-10 14:33:13,459 INFO L241 Difference]: Finished difference. Result has 68 places, 57 transitions, 186 flow [2021-06-10 14:33:13,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=68, PETRI_TRANSITIONS=57} [2021-06-10 14:33:13,460 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 4 predicate places. [2021-06-10 14:33:13,460 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 57 transitions, 186 flow [2021-06-10 14:33:13,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-06-10 14:33:13,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:33:13,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:33:13,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 14:33:13,461 INFO L428 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:33:13,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:33:13,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1033850352, now seen corresponding path program 1 times [2021-06-10 14:33:13,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:33:13,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322861214] [2021-06-10 14:33:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:33:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:33:13,468 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:33:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:33:13,477 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:33:13,480 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:33:13,480 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:33:13,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 14:33:13,481 WARN L342 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:33:13,482 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2021-06-10 14:33:13,491 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,492 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,493 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,493 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,493 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,495 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,495 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,496 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,496 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,500 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,501 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,501 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,501 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,501 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,502 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,503 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,504 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,505 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,505 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,505 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,505 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,507 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,507 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,508 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,508 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,508 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,512 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,512 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,512 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,513 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,513 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,513 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,514 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,515 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,516 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,517 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,518 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,520 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:33:13,521 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:33:13,521 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-10 14:33:13,523 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:33:13,523 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:33:13,523 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:33:13,523 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:33:13,523 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:33:13,523 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:33:13,524 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:33:13,524 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:33:13,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 59 transitions, 195 flow [2021-06-10 14:33:13,536 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-06-10 14:33:13,536 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:33:13,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 237 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-06-10 14:33:13,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 59 transitions, 195 flow [2021-06-10 14:33:13,538 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 59 transitions, 195 flow [2021-06-10 14:33:13,540 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-06-10 14:33:13,541 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:33:13,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:33:13,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:33:13,541 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:33:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:33:13,541 INFO L82 PathProgramCache]: Analyzing trace with hash 134578996, now seen corresponding path program 1 times [2021-06-10 14:33:13,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:33:13,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112876434] [2021-06-10 14:33:13,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:33:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:33:13,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:33:13,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:33:13,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:33:13,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 14:33:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 14:33:13,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112876434] [2021-06-10 14:33:13,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:33:13,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 14:33:13,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185225789] [2021-06-10 14:33:13,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 14:33:13,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:33:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 14:33:13,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 14:33:13,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 59 [2021-06-10 14:33:13,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 59 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-06-10 14:33:13,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:33:13,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 59 [2021-06-10 14:33:13,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 14:36:14,149 INFO L129 PetriNetUnfolder]: 492663/661674 cut-off events. [2021-06-10 14:36:14,149 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-10 14:36:18,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1263571 conditions, 661674 events. 492663/661674 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23585. Compared 5420332 event pairs, 287331 based on Foata normal form. 0/513074 useless extension candidates. Maximal degree in co-relation 1263503. Up to 442536 conditions per place. [2021-06-10 14:36:21,823 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 46 selfloop transitions, 8 changer transitions 0/84 dead transitions. [2021-06-10 14:36:21,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 84 transitions, 353 flow [2021-06-10 14:36:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 14:36:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 14:36:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2021-06-10 14:36:21,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8192090395480226 [2021-06-10 14:36:21,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 145 transitions. [2021-06-10 14:36:21,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 145 transitions. [2021-06-10 14:36:21,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 14:36:21,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 145 transitions. [2021-06-10 14:36:21,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-06-10 14:36:21,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 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) [2021-06-10 14:36:21,829 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 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) [2021-06-10 14:36:21,829 INFO L185 Difference]: Start difference. First operand has 74 places, 59 transitions, 195 flow. Second operand 3 states and 145 transitions. [2021-06-10 14:36:21,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 84 transitions, 353 flow [2021-06-10 14:36:21,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 84 transitions, 311 flow, removed 21 selfloop flow, removed 0 redundant places. [2021-06-10 14:36:21,832 INFO L241 Difference]: Finished difference. Result has 78 places, 66 transitions, 215 flow [2021-06-10 14:36:21,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=78, PETRI_TRANSITIONS=66} [2021-06-10 14:36:21,833 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 4 predicate places. [2021-06-10 14:36:21,833 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 66 transitions, 215 flow [2021-06-10 14:36:21,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-06-10 14:36:21,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:36:21,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:36:21,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 14:36:21,833 INFO L428 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:36:21,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:36:21,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1169110868, now seen corresponding path program 1 times [2021-06-10 14:36:21,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:36:21,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728480442] [2021-06-10 14:36:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:36:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:36:21,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:36:21,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:36:21,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:36:21,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 14:36:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-10 14:36:21,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728480442] [2021-06-10 14:36:21,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:36:21,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 14:36:21,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81292243] [2021-06-10 14:36:21,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 14:36:21,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:36:21,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 14:36:21,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 14:36:21,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 59 [2021-06-10 14:36:21,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 66 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-06-10 14:36:21,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:36:21,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 59 [2021-06-10 14:36:21,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 14:42:25,831 INFO L129 PetriNetUnfolder]: 658792/902069 cut-off events. [2021-06-10 14:42:25,831 INFO L130 PetriNetUnfolder]: For 267170/267170 co-relation queries the response was YES. [2021-06-10 14:42:30,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2054679 conditions, 902069 events. 658792/902069 cut-off events. For 267170/267170 co-relation queries the response was YES. Maximal size of possible extension queue 33879. Compared 8012213 event pairs, 385385 based on Foata normal form. 0/724775 useless extension candidates. Maximal degree in co-relation 1767044. Up to 602130 conditions per place. [2021-06-10 14:42:35,927 INFO L132 encePairwiseOnDemand]: 50/59 looper letters, 53 selfloop transitions, 14 changer transitions 0/97 dead transitions. [2021-06-10 14:42:35,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 97 transitions, 453 flow [2021-06-10 14:42:35,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 14:42:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 14:42:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2021-06-10 14:42:35,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8192090395480226 [2021-06-10 14:42:35,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 145 transitions. [2021-06-10 14:42:35,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 145 transitions. [2021-06-10 14:42:35,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 14:42:35,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 145 transitions. [2021-06-10 14:42:35,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-06-10 14:42:35,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 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) [2021-06-10 14:42:35,930 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 59.0) internal successors, (236), 4 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) [2021-06-10 14:42:35,930 INFO L185 Difference]: Start difference. First operand has 78 places, 66 transitions, 215 flow. Second operand 3 states and 145 transitions. [2021-06-10 14:42:35,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 97 transitions, 453 flow [2021-06-10 14:45:34,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 97 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 14:45:34,876 INFO L241 Difference]: Finished difference. Result has 80 places, 78 transitions, 327 flow [2021-06-10 14:45:34,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=80, PETRI_TRANSITIONS=78} [2021-06-10 14:45:34,876 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 6 predicate places. [2021-06-10 14:45:34,877 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 78 transitions, 327 flow [2021-06-10 14:45:34,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-06-10 14:45:34,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:45:34,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:45:34,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 14:45:34,877 INFO L428 AbstractCegarLoop]: === Iteration 3 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:45:34,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:45:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2116433895, now seen corresponding path program 1 times [2021-06-10 14:45:34,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:45:34,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178258015] [2021-06-10 14:45:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:45:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:45:34,881 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:45:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 14:45:34,883 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 14:45:34,885 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 14:45:34,885 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 14:45:34,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 14:45:34,885 WARN L342 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-10 14:45:34,886 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,892 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,893 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,894 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,895 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,896 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,897 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,898 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,899 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,899 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,899 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,899 WARN L313 ript$VariableManager]: TermVariabe threadThread1of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,900 WARN L313 ript$VariableManager]: TermVariabe threadThread2of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,900 WARN L313 ript$VariableManager]: TermVariabe threadThread3of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,901 WARN L313 ript$VariableManager]: TermVariabe threadThread4of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,902 WARN L313 ript$VariableManager]: TermVariabe threadThread5of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,902 WARN L313 ript$VariableManager]: TermVariabe threadThread6of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,903 WARN L313 ript$VariableManager]: TermVariabe threadThread7of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,904 WARN L313 ript$VariableManager]: TermVariabe threadThread8of8ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 14:45:34,904 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 14:45:34,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-06-10 14:45:34,905 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 14:45:34,905 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 14:45:34,906 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 14:45:34,906 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 14:45:34,906 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 14:45:34,906 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 14:45:34,906 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 14:45:34,906 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 14:45:34,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 67 transitions, 230 flow [2021-06-10 14:45:34,911 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-06-10 14:45:34,911 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:45:34,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 295 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-06-10 14:45:34,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 67 transitions, 230 flow [2021-06-10 14:45:34,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 67 transitions, 230 flow [2021-06-10 14:45:34,913 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-06-10 14:45:34,913 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 14:45:34,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 14:45:34,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-10 14:45:34,913 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-10 14:45:34,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 14:45:34,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1656959223, now seen corresponding path program 1 times [2021-06-10 14:45:34,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 14:45:34,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790884375] [2021-06-10 14:45:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 14:45:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 14:45:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:45:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 14:45:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 14:45:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 14:45:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 14:45:34,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790884375] [2021-06-10 14:45:34,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 14:45:34,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 14:45:34,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875253244] [2021-06-10 14:45:34,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 14:45:34,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 14:45:34,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 14:45:34,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 14:45:34,927 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 67 [2021-06-10 14:45:34,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 67 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-06-10 14:45:34,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 14:45:34,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 67 [2021-06-10 14:45:34,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-06-10 14:45:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 14:45:54,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 14:45:54,113 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-10 14:45:54,132 WARN L224 ceAbstractionStarter]: Timeout [2021-06-10 14:45:54,132 INFO L202 PluginConnector]: Adding new model pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 02:45:54 BasicIcfg [2021-06-10 14:45:54,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 14:45:54,137 INFO L168 Benchmark]: Toolchain (without parser) took 779225.75 ms. Allocated memory was 346.0 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 325.3 MB in the beginning and 7.2 GB in the end (delta: -6.9 GB). Peak memory consumption was 9.5 GB. Max. memory is 16.0 GB. [2021-06-10 14:45:54,141 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:45:54,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.75 ms. Allocated memory is still 346.0 MB. Free memory was 325.2 MB in the beginning and 323.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 14:45:54,142 INFO L168 Benchmark]: Boogie Preprocessor took 16.24 ms. Allocated memory is still 346.0 MB. Free memory was 323.8 MB in the beginning and 322.9 MB in the end (delta: 886.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 14:45:54,143 INFO L168 Benchmark]: RCFGBuilder took 202.65 ms. Allocated memory is still 346.0 MB. Free memory was 322.8 MB in the beginning and 313.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-10 14:45:54,146 INFO L168 Benchmark]: TraceAbstraction took 778971.09 ms. Allocated memory was 346.0 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 313.1 MB in the beginning and 7.2 GB in the end (delta: -6.9 GB). Peak memory consumption was 9.5 GB. Max. memory is 16.0 GB. [2021-06-10 14:45:54,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.75 ms. Allocated memory is still 346.0 MB. Free memory was 325.2 MB in the beginning and 323.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.24 ms. Allocated memory is still 346.0 MB. Free memory was 323.8 MB in the beginning and 322.9 MB in the end (delta: 886.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 202.65 ms. Allocated memory is still 346.0 MB. Free memory was 322.8 MB in the beginning and 313.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 778971.09 ms. Allocated memory was 346.0 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 313.1 MB in the beginning and 7.2 GB in the end (delta: -6.9 GB). Peak memory consumption was 9.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 22). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 34/67 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 242788 conditions, 125431 events (99154/125430 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30419. Compared 1002267 event pairs, 75769 based on Foata normal form. 0/135803 useless extension candidates. Maximal degree in co-relation 242707. Up to 95486 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 11 locations, 1 error locations. Started 8 CEGAR loops. EmptinessCheckTime: 52.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 778646.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 778084.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 115.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 154 SDtfs, 89 SDslu, 0 SDs, 0 SdLazy, 244 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 284.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.5ms SsaConstructionTime, 53.4ms SatisfiabilityAnalysisTime, 103.8ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown !SESSION 2021-06-10 14:32:53.051 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.11 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/pthread_inc.bpl Command-line arguments: -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/pthread_inc.bpl !ENTRY org.eclipse.osgi 4 0 2021-06-10 14:45:54.392 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4adc8f4/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4adc8f4/.metadata/.log.