/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/pthread_inc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 03:46:41,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 03:46:41,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 03:46:41,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 03:46:41,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 03:46:41,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 03:46:41,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 03:46:41,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 03:46:41,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 03:46:41,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 03:46:41,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 03:46:41,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 03:46:41,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 03:46:41,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 03:46:41,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 03:46:41,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 03:46:41,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 03:46:41,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 03:46:41,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 03:46:41,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 03:46:41,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 03:46:41,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 03:46:41,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 03:46:41,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 03:46:41,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-29 03:46:41,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-29 03:46:41,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-29 03:46:41,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-29 03:46:41,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-29 03:46:41,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-29 03:46:41,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 03:46:41,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 03:46:41,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 03:46:41,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 03:46:41,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 03:46:41,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 03:46:41,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 03:46:41,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 03:46:41,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 03:46:41,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 03:46:41,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 03:46:41,291 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 03:46:41,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 03:46:41,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 03:46:41,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 03:46:41,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 03:46:41,349 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 03:46:41,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 03:46:41,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 03:46:41,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 03:46:41,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 03:46:41,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 03:46:41,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 03:46:41,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 03:46:41,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 03:46:41,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 03:46:41,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 03:46:41,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 03:46:41,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 03:46:41,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 03:46:41,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 03:46:41,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 03:46:41,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 03:46:41,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 03:46:41,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 03:46:41,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 03:46:41,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 03:46:41,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 03:46:41,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 03:46:41,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 03:46:41,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 03:46:41,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 03:46:41,357 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 03:46:41,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 03:46:41,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 03:46:41,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 03:46:41,811 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 03:46:41,814 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 03:46:41,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/pthread_inc.bpl [2021-04-29 03:46:41,815 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/pthread_inc.bpl' [2021-04-29 03:46:41,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 03:46:41,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 03:46:41,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 03:46:41,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 03:46:41,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 03:46:41,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 03:46:41,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 03:46:41,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 03:46:41,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 03:46:41,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/1) ... [2021-04-29 03:46:41,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 03:46:41,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 03:46:41,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 03:46:41,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 03:46:41,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (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 [2021-04-29 03:46:42,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 03:46:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 03:46:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 03:46:42,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2021-04-29 03:46:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-04-29 03:46:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-04-29 03:46:42,054 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 03:46:42,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 03:46:42,231 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-29 03:46:42,232 INFO L202 PluginConnector]: Adding new model pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 03:46:42 BoogieIcfgContainer [2021-04-29 03:46:42,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 03:46:42,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 03:46:42,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 03:46:42,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 03:46:42,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 03:46:41" (1/2) ... [2021-04-29 03:46:42,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179bebcc and model type pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 03:46:42, skipping insertion in model container [2021-04-29 03:46:42,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 03:46:42" (2/2) ... [2021-04-29 03:46:42,241 INFO L111 eAbstractionObserver]: Analyzing ICFG pthread_inc.bpl [2021-04-29 03:46:42,248 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 03:46:42,253 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 03:46:42,254 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 03:46:42,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,276 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,277 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,277 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,278 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,278 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,279 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,279 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,282 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:42,284 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:42,307 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-04-29 03:46:42,335 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:42,335 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:42,335 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:42,335 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:42,336 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:42,336 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:42,336 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:42,336 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:42,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,367 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-04-29 03:46:42,367 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:42,369 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. [2021-04-29 03:46:42,370 INFO L82 GeneralOperation]: Start removeDead. Operand has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,377 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:42,395 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,399 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 11 transitions, 27 flow [2021-04-29 03:46:42,405 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-04-29 03:46:42,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:42,406 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 4. Compared 9 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. [2021-04-29 03:46:42,408 INFO L146 LiptonReduction]: Number of co-enabled transitions 28 [2021-04-29 03:46:43,032 INFO L158 LiptonReduction]: Checked pairs total: 22 [2021-04-29 03:46:43,033 INFO L160 LiptonReduction]: Total number of compositions: 11 [2021-04-29 03:46:43,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 665 [2021-04-29 03:46:43,067 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-04-29 03:46:43,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:43,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-29 03:46:43,069 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-04-29 03:46:43,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash 50162, now seen corresponding path program 1 times [2021-04-29 03:46:43,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:43,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943108047] [2021-04-29 03:46:43,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,210 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,214 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,231 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:46:43,232 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:46:43,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 03:46:43,233 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:46:43,234 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-04-29 03:46:43,239 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,240 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,240 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,240 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,241 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,241 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,241 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,242 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,242 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,243 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,243 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,243 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,244 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,244 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,244 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,245 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,245 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,247 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,248 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:43,248 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 03:46:43,251 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:43,251 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:43,251 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:43,252 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:43,252 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:43,252 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:43,252 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:43,252 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:43,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,260 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-29 03:46:43,260 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,261 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. [2021-04-29 03:46:43,261 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,262 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:43,262 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,263 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 50 flow [2021-04-29 03:46:43,269 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-29 03:46:43,269 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,270 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 32 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. [2021-04-29 03:46:43,270 INFO L146 LiptonReduction]: Number of co-enabled transitions 168 [2021-04-29 03:46:43,373 INFO L158 LiptonReduction]: Checked pairs total: 418 [2021-04-29 03:46:43,373 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 03:46:43,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-04-29 03:46:43,378 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-04-29 03:46:43,378 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:43,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-29 03:46:43,379 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:43,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:43,380 INFO L82 PathProgramCache]: Analyzing trace with hash 2485590, now seen corresponding path program 1 times [2021-04-29 03:46:43,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:43,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692370588] [2021-04-29 03:46:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,386 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,389 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,391 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:46:43,392 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:46:43,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 03:46:43,392 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:46:43,394 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-04-29 03:46:43,399 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,400 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,400 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,400 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,401 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,401 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,401 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,402 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,402 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,403 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,403 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,403 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,404 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,404 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,404 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,404 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,405 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,405 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,406 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,406 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,406 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,406 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,407 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,407 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,407 WARN L313 ript$VariableManager]: TermVariabe threadThread1of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,409 WARN L313 ript$VariableManager]: TermVariabe threadThread2of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,410 WARN L313 ript$VariableManager]: TermVariabe threadThread3of3ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,411 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:43,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 03:46:43,413 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:43,413 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:43,414 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:43,414 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:43,414 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:43,414 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:43,414 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:43,414 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:43,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,425 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 03:46:43,425 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,426 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 65 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. [2021-04-29 03:46:43,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,427 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,427 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:43,428 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,428 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 75 flow [2021-04-29 03:46:43,437 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 03:46:43,437 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,438 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 6. Compared 76 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. [2021-04-29 03:46:43,439 INFO L146 LiptonReduction]: Number of co-enabled transitions 420 [2021-04-29 03:46:43,582 INFO L158 LiptonReduction]: Checked pairs total: 1192 [2021-04-29 03:46:43,583 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-29 03:46:43,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-04-29 03:46:43,588 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-04-29 03:46:43,589 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:43,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 03:46:43,589 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:43,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:43,590 INFO L82 PathProgramCache]: Analyzing trace with hash 104943788, now seen corresponding path program 1 times [2021-04-29 03:46:43,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:43,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978826827] [2021-04-29 03:46:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,596 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,599 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,601 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:46:43,602 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:46:43,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 03:46:43,602 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:46:43,602 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-04-29 03:46:43,607 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,607 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,608 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,608 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,608 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,608 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,608 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,609 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,609 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,609 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,610 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,611 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,611 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,611 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,611 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,612 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,612 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,612 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,612 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,613 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,613 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,613 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,613 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,614 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,614 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,614 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,614 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,615 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,615 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,615 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,615 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,616 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,616 WARN L313 ript$VariableManager]: TermVariabe threadThread1of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,617 WARN L313 ript$VariableManager]: TermVariabe threadThread2of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,618 WARN L313 ript$VariableManager]: TermVariabe threadThread3of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,619 WARN L313 ript$VariableManager]: TermVariabe threadThread4of4ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,620 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:43,620 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 03:46:43,621 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:43,622 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:43,622 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:43,622 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:43,622 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:43,622 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:43,622 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:43,622 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:43,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,633 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-29 03:46:43,633 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,633 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. [2021-04-29 03:46:43,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,635 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,635 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:43,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,636 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-04-29 03:46:43,644 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-29 03:46:43,644 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,644 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 122 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. [2021-04-29 03:46:43,646 INFO L146 LiptonReduction]: Number of co-enabled transitions 784 [2021-04-29 03:46:43,818 INFO L158 LiptonReduction]: Checked pairs total: 2254 [2021-04-29 03:46:43,819 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-29 03:46:43,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-04-29 03:46:43,825 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-04-29 03:46:43,826 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:43,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-04-29 03:46:43,827 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:43,827 INFO L82 PathProgramCache]: Analyzing trace with hash 89141827, now seen corresponding path program 1 times [2021-04-29 03:46:43,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:43,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288243020] [2021-04-29 03:46:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,834 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:43,838 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:43,840 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:46:43,840 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:46:43,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 03:46:43,841 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:46:43,841 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-04-29 03:46:43,846 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,847 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,847 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,847 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,848 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,848 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,848 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,848 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,849 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,849 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,849 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,849 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,850 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,850 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,850 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,850 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,851 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,851 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,851 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,851 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,852 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,852 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,852 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,852 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,853 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,853 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,853 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,853 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,854 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,854 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,854 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,854 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,855 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,855 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,855 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,855 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,856 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,856 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,856 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,856 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,857 WARN L313 ript$VariableManager]: TermVariabe threadThread1of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,858 WARN L313 ript$VariableManager]: TermVariabe threadThread2of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,859 WARN L313 ript$VariableManager]: TermVariabe threadThread3of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,860 WARN L313 ript$VariableManager]: TermVariabe threadThread4of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,861 WARN L313 ript$VariableManager]: TermVariabe threadThread5of5ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:43,862 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:43,862 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-29 03:46:43,864 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:43,864 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:43,864 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:43,864 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:43,864 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:43,864 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:43,864 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:43,865 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:43,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,876 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-04-29 03:46:43,877 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,877 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 151 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. [2021-04-29 03:46:43,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,878 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,879 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:43,879 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,879 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 131 flow [2021-04-29 03:46:43,889 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-04-29 03:46:43,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:43,890 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 156 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. [2021-04-29 03:46:43,892 INFO L146 LiptonReduction]: Number of co-enabled transitions 1260 [2021-04-29 03:46:44,149 INFO L158 LiptonReduction]: Checked pairs total: 3714 [2021-04-29 03:46:44,149 INFO L160 LiptonReduction]: Total number of compositions: 5 [2021-04-29 03:46:44,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 270 [2021-04-29 03:46:44,156 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-04-29 03:46:44,156 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:44,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:44,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 03:46:44,157 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1206372959, now seen corresponding path program 1 times [2021-04-29 03:46:44,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:44,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216710050] [2021-04-29 03:46:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 03:46:44,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:46:44,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 03:46:44,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:46:44,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 03:46:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 03:46:44,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216710050] [2021-04-29 03:46:44,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 03:46:44,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 03:46:44,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165493348] [2021-04-29 03:46:44,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 03:46:44,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 03:46:44,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 03:46:44,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 03:46:44,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 48 [2021-04-29 03:46:44,257 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) [2021-04-29 03:46:44,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 03:46:44,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 48 [2021-04-29 03:46:44,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 03:46:51,469 INFO L129 PetriNetUnfolder]: 36049/50158 cut-off events. [2021-04-29 03:46:51,469 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:46:51,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97839 conditions, 50158 events. 36049/50158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2834. Compared 364528 event pairs, 19141 based on Foata normal form. 0/30500 useless extension candidates. Maximal degree in co-relation 97794. Up to 30834 conditions per place. [2021-04-29 03:46:52,178 INFO L132 encePairwiseOnDemand]: 40/48 looper letters, 41 selfloop transitions, 7 changer transitions 0/65 dead transitions. [2021-04-29 03:46:52,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 65 transitions, 271 flow [2021-04-29 03:46:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 03:46:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 03:46:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 115 transitions. [2021-04-29 03:46:52,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2021-04-29 03:46:52,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 115 transitions. [2021-04-29 03:46:52,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 115 transitions. [2021-04-29 03:46:52,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 03:46:52,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 115 transitions. [2021-04-29 03:46:52,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 03:46:52,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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) [2021-04-29 03:46:52,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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) [2021-04-29 03:46:52,210 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 131 flow. Second operand 3 states and 115 transitions. [2021-04-29 03:46:52,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 65 transitions, 271 flow [2021-04-29 03:46:52,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 65 transitions, 251 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-04-29 03:46:52,220 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 165 flow [2021-04-29 03:46:52,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, 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=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-04-29 03:46:52,224 INFO L343 CegarLoopForPetriNet]: 54 programPoint places, 4 predicate places. [2021-04-29 03:46:52,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:52,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 165 flow [2021-04-29 03:46:52,225 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 165 flow [2021-04-29 03:46:52,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 165 flow [2021-04-29 03:46:52,304 INFO L129 PetriNetUnfolder]: 210/612 cut-off events. [2021-04-29 03:46:52,304 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-29 03:46:52,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 612 events. 210/612 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4188 event pairs, 85 based on Foata normal form. 0/456 useless extension candidates. Maximal degree in co-relation 1092. Up to 256 conditions per place. [2021-04-29 03:46:52,324 INFO L146 LiptonReduction]: Number of co-enabled transitions 1510 [2021-04-29 03:46:52,443 INFO L158 LiptonReduction]: Checked pairs total: 1790 [2021-04-29 03:46:52,443 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 03:46:52,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-04-29 03:46:52,445 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 165 flow [2021-04-29 03:46:52,445 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) [2021-04-29 03:46:52,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:52,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 03:46:52,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 03:46:52,446 INFO L428 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:52,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:52,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1171063680, now seen corresponding path program 1 times [2021-04-29 03:46:52,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:52,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671788212] [2021-04-29 03:46:52,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:52,452 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:46:52,456 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:46:52,458 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:46:52,458 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:46:52,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 03:46:52,459 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:46:52,459 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-04-29 03:46:52,465 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,466 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,467 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,468 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,469 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,469 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,469 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,469 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,469 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,470 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,471 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,471 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,471 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,471 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,471 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,472 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,472 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,472 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,472 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,472 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,473 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,474 WARN L313 ript$VariableManager]: TermVariabe threadThread1of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,475 WARN L313 ript$VariableManager]: TermVariabe threadThread2of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,476 WARN L313 ript$VariableManager]: TermVariabe threadThread3of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,477 WARN L313 ript$VariableManager]: TermVariabe threadThread4of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,478 WARN L313 ript$VariableManager]: TermVariabe threadThread5of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,479 WARN L313 ript$VariableManager]: TermVariabe threadThread6of6ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:46:52,480 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:46:52,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-04-29 03:46:52,481 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:46:52,481 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:46:52,481 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:46:52,481 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:46:52,481 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:46:52,481 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:46:52,482 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:46:52,482 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:46:52,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,489 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-29 03:46:52,489 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:52,489 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 204 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. [2021-04-29 03:46:52,490 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,491 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:46:52,491 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,491 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 162 flow [2021-04-29 03:46:52,498 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-29 03:46:52,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:52,498 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 10. Compared 207 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. [2021-04-29 03:46:52,500 INFO L146 LiptonReduction]: Number of co-enabled transitions 1848 [2021-04-29 03:46:52,754 INFO L158 LiptonReduction]: Checked pairs total: 5368 [2021-04-29 03:46:52,755 INFO L160 LiptonReduction]: Total number of compositions: 6 [2021-04-29 03:46:52,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 264 [2021-04-29 03:46:52,760 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-04-29 03:46:52,760 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:46:52,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:46:52,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 03:46:52,760 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:46:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:46:52,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1155296107, now seen corresponding path program 1 times [2021-04-29 03:46:52,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:46:52,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653966718] [2021-04-29 03:46:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:46:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 03:46:52,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:46:52,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 03:46:52,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:46:52,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 03:46:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 03:46:52,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653966718] [2021-04-29 03:46:52,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 03:46:52,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 03:46:52,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735152467] [2021-04-29 03:46:52,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 03:46:52,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 03:46:52,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 03:46:52,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 03:46:52,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 57 [2021-04-29 03:46:52,789 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) [2021-04-29 03:46:52,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 03:46:52,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 57 [2021-04-29 03:46:52,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 03:48:12,657 INFO L129 PetriNetUnfolder]: 275441/362214 cut-off events. [2021-04-29 03:48:12,657 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 03:48:14,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 707552 conditions, 362214 events. 275441/362214 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15087. Compared 2766414 event pairs, 161137 based on Foata normal form. 0/220892 useless extension candidates. Maximal degree in co-relation 707496. Up to 228722 conditions per place. [2021-04-29 03:48:17,004 INFO L132 encePairwiseOnDemand]: 48/57 looper letters, 50 selfloop transitions, 8 changer transitions 0/78 dead transitions. [2021-04-29 03:48:17,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 78 transitions, 332 flow [2021-04-29 03:48:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 03:48:17,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 03:48:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2021-04-29 03:48:17,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8011695906432749 [2021-04-29 03:48:17,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 137 transitions. [2021-04-29 03:48:17,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 137 transitions. [2021-04-29 03:48:17,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 03:48:17,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 137 transitions. [2021-04-29 03:48:17,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2021-04-29 03:48:17,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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) [2021-04-29 03:48:17,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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) [2021-04-29 03:48:17,023 INFO L185 Difference]: Start difference. First operand has 64 places, 51 transitions, 162 flow. Second operand 3 states and 137 transitions. [2021-04-29 03:48:17,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 78 transitions, 332 flow [2021-04-29 03:48:17,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 78 transitions, 302 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-04-29 03:48:17,028 INFO L241 Difference]: Finished difference. Result has 68 places, 58 transitions, 194 flow [2021-04-29 03:48:17,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, 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=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=68, PETRI_TRANSITIONS=58} [2021-04-29 03:48:17,029 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 4 predicate places. [2021-04-29 03:48:17,029 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:48:17,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 58 transitions, 194 flow [2021-04-29 03:48:17,030 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 58 transitions, 194 flow [2021-04-29 03:48:17,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 58 transitions, 194 flow [2021-04-29 03:48:17,138 INFO L129 PetriNetUnfolder]: 558/1364 cut-off events. [2021-04-29 03:48:17,138 INFO L130 PetriNetUnfolder]: For 106/110 co-relation queries the response was YES. [2021-04-29 03:48:17,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1364 events. 558/1364 cut-off events. For 106/110 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 10343 event pairs, 245 based on Foata normal form. 0/1038 useless extension candidates. Maximal degree in co-relation 2515. Up to 652 conditions per place. [2021-04-29 03:48:17,185 INFO L146 LiptonReduction]: Number of co-enabled transitions 2220 [2021-04-29 03:48:17,416 INFO L158 LiptonReduction]: Checked pairs total: 2658 [2021-04-29 03:48:17,416 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 03:48:17,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-04-29 03:48:17,418 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 58 transitions, 194 flow [2021-04-29 03:48:17,418 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) [2021-04-29 03:48:17,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:48:17,419 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 03:48:17,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 03:48:17,419 INFO L428 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:48:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:48:17,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1188189584, now seen corresponding path program 1 times [2021-04-29 03:48:17,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:48:17,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223951712] [2021-04-29 03:48:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:48:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:48:17,428 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:48:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 03:48:17,438 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 03:48:17,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 03:48:17,442 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 03:48:17,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 03:48:17,443 WARN L342 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2021-04-29 03:48:17,444 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2021-04-29 03:48:17,453 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,453 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,453 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,454 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,454 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,454 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,454 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,454 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,455 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,455 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,455 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,455 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,456 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,457 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,458 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,458 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,458 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,459 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,459 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,460 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,461 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,462 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,462 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,462 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,462 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,463 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,464 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,464 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,464 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,464 WARN L313 ript$VariableManager]: TermVariabe threadThread1of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,465 WARN L313 ript$VariableManager]: TermVariabe threadThread2of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,466 WARN L313 ript$VariableManager]: TermVariabe threadThread3of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,467 WARN L313 ript$VariableManager]: TermVariabe threadThread4of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,468 WARN L313 ript$VariableManager]: TermVariabe threadThread5of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,469 WARN L313 ript$VariableManager]: TermVariabe threadThread6of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,470 WARN L313 ript$VariableManager]: TermVariabe threadThread7of7ForFork0_v not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 03:48:17,471 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 03:48:17,471 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-04-29 03:48:17,473 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 03:48:17,473 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 03:48:17,474 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 03:48:17,474 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 03:48:17,474 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 03:48:17,474 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 03:48:17,474 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 03:48:17,474 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 03:48:17,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,483 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-29 03:48:17,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:48:17,483 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 238 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. [2021-04-29 03:48:17,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,484 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 03:48:17,484 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,485 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 59 transitions, 195 flow [2021-04-29 03:48:17,490 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-29 03:48:17,491 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:48:17,491 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 247 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. [2021-04-29 03:48:17,492 INFO L146 LiptonReduction]: Number of co-enabled transitions 2548 [2021-04-29 03:48:17,835 INFO L158 LiptonReduction]: Checked pairs total: 7330 [2021-04-29 03:48:17,835 INFO L160 LiptonReduction]: Total number of compositions: 7 [2021-04-29 03:48:17,835 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-04-29 03:48:17,843 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-04-29 03:48:17,844 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 03:48:17,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 03:48:17,844 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 03:48:17,844 INFO L428 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, threadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONASSERT]=== [2021-04-29 03:48:17,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 03:48:17,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1500490829, now seen corresponding path program 1 times [2021-04-29 03:48:17,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 03:48:17,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196434806] [2021-04-29 03:48:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 03:48:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 03:48:17,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:48:17,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 03:48:17,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 03:48:17,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-04-29 03:48:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 03:48:17,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196434806] [2021-04-29 03:48:17,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 03:48:17,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 03:48:17,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148945034] [2021-04-29 03:48:17,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 03:48:17,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 03:48:17,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 03:48:17,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 03:48:17,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 66 [2021-04-29 03:48:17,890 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) [2021-04-29 03:48:17,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 03:48:17,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 66 [2021-04-29 03:48:17,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-04-29 03:57:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 03:57:36,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 03:57:36,220 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 03:57:36,238 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 03:57:36,239 INFO L202 PluginConnector]: Adding new model pthread_inc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 03:57:36 BasicIcfg [2021-04-29 03:57:36,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 03:57:36,244 INFO L168 Benchmark]: Toolchain (without parser) took 654393.95 ms. Allocated memory was 312.5 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 281.7 MB in the beginning and 6.7 GB in the end (delta: -6.5 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. [2021-04-29 03:57:36,246 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 312.5 MB. Free memory is still 282.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 03:57:36,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.26 ms. Allocated memory is still 312.5 MB. Free memory was 278.7 MB in the beginning and 277.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 03:57:36,252 INFO L168 Benchmark]: Boogie Preprocessor took 20.14 ms. Allocated memory is still 312.5 MB. Free memory was 277.2 MB in the beginning and 276.4 MB in the end (delta: 838.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 03:57:36,254 INFO L168 Benchmark]: RCFGBuilder took 289.62 ms. Allocated memory is still 312.5 MB. Free memory was 276.3 MB in the beginning and 290.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-04-29 03:57:36,259 INFO L168 Benchmark]: TraceAbstraction took 654004.73 ms. Allocated memory was 312.5 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 290.2 MB in the beginning and 6.7 GB in the end (delta: -6.5 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. [2021-04-29 03:57:36,269 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 0.27 ms. Allocated memory is still 312.5 MB. Free memory is still 282.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.26 ms. Allocated memory is still 312.5 MB. Free memory was 278.7 MB in the beginning and 277.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.14 ms. Allocated memory is still 312.5 MB. Free memory was 277.2 MB in the beginning and 276.4 MB in the end (delta: 838.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 289.62 ms. Allocated memory is still 312.5 MB. Free memory was 276.3 MB in the beginning and 290.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 654004.73 ms. Allocated memory was 312.5 MB in the beginning and 14.4 GB in the end (delta: 14.1 GB). Free memory was 290.2 MB in the beginning and 6.7 GB in the end (delta: -6.5 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 633.7ms, 14 PlacesBefore, 15 PlacesAfterwards, 11 TransitionsBefore, 12 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 22 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 10, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.6ms, 24 PlacesBefore, 24 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244, positive: 202, positive conditional: 202, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 132, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 132, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 244, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 132, unknown conditional: 132, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 114, Positive conditional cache size: 114, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.7ms, 34 PlacesBefore, 34 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 424, positive: 357, positive conditional: 357, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 424, positive: 168, positive conditional: 168, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 220, unknown conditional: 220, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 189, Positive conditional cache size: 189, Positive unconditional cache size: 0, Negative cache size: 31, Negative conditional cache size: 31, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.4ms, 44 PlacesBefore, 44 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 2254 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 459, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 88, negative conditional: 88, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 293, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 293, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 293, positive: 244, positive conditional: 0, positive unconditional: 244, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 459, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 293, unknown conditional: 293, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 252, Positive conditional cache size: 252, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 269.9ms, 54 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 3714 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 674, positive: 563, positive conditional: 563, positive unconditional: 0, negative: 111, negative conditional: 111, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 405, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 405, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 405, positive: 330, positive conditional: 0, positive unconditional: 330, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 674, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 405, unknown conditional: 405, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 405, Positive cache size: 346, Positive conditional cache size: 346, Positive unconditional cache size: 0, Negative cache size: 59, Negative conditional cache size: 59, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.5ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 417, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, positive: 131, positive conditional: 5, positive unconditional: 126, negative: 22, negative conditional: 15, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, positive: 131, positive conditional: 5, positive unconditional: 126, negative: 22, negative conditional: 15, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 15, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 85, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 85, negative conditional: 66, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 417, positive: 237, positive conditional: 237, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 153, unknown conditional: 153, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 477, Positive conditional cache size: 477, Positive unconditional cache size: 0, Negative cache size: 81, Negative conditional cache size: 81, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.6ms, 64 PlacesBefore, 64 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1848 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 5368 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 842, positive: 712, positive conditional: 712, positive unconditional: 0, negative: 130, negative conditional: 130, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 503, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 503, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 503, positive: 422, positive conditional: 0, positive unconditional: 422, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 158, negative conditional: 0, negative unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 842, positive: 272, positive conditional: 272, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 503, unknown conditional: 503, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 440, Positive conditional cache size: 440, Positive unconditional cache size: 0, Negative cache size: 63, Negative conditional cache size: 63, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.1ms, 68 PlacesBefore, 68 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 2220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2658 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 250, positive: 191, positive conditional: 191, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 30, positive conditional: 7, positive unconditional: 23, negative: 27, negative conditional: 20, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 30, positive conditional: 7, positive unconditional: 23, negative: 27, negative conditional: 20, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 20, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 103, negative conditional: 83, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 250, positive: 161, positive conditional: 161, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 560, Positive cache size: 470, Positive conditional cache size: 470, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 350.2ms, 74 PlacesBefore, 74 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 2548 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 7330 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1783, positive: 1634, positive conditional: 1634, positive unconditional: 0, negative: 149, negative conditional: 149, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1126, positive: 1041, positive conditional: 0, positive unconditional: 1041, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1126, positive: 1041, positive conditional: 0, positive unconditional: 1041, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1126, positive: 1026, positive conditional: 0, positive unconditional: 1026, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 100, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 226, negative conditional: 0, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1783, positive: 593, positive conditional: 593, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 1126, unknown conditional: 1126, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1126, Positive cache size: 1041, Positive conditional cache size: 1041, Positive unconditional cache size: 0, Negative cache size: 85, Negative conditional cache size: 85, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 22). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (3states, 30/66 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 2079215 conditions, 1059416 events (862790/1059415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 81445. Compared 7808778 event pairs, 543113 based on Foata normal form. 0/761448 useless extension candidates. Maximal degree in co-relation 2079147. Up to 718996 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 11 locations, 1 error locations. Started 7 CEGAR loops. EmptinessCheckTime: 28.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 653760.9ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 650552.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2144.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 66 SDslu, 0 SDs, 0 SdLazy, 165 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 9.1ms SsaConstructionTime, 43.0ms SatisfiabilityAnalysisTime, 86.4ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 !SESSION 2021-04-29 03:46:39.182 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.10 java.vendor=AdoptOpenJDK BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_GB Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/pthread_inc.bpl !ENTRY org.eclipse.osgi 4 0 2021-04-29 03:57:36.573 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e2091f9/.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/31e2091f9/.metadata/.log.