/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 03:33:39,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 03:33:39,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 03:33:39,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-15 03:33:39,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-15 03:33:39,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-15 03:33:39,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-15 03:33:39,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-15 03:33:39,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-15 03:33:39,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-15 03:33:39,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-15 03:33:39,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-15 03:33:39,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-15 03:33:39,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-15 03:33:39,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-15 03:33:39,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-15 03:33:39,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-15 03:33:39,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-15 03:33:39,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-15 03:33:39,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-15 03:33:39,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-15 03:33:39,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-15 03:33:39,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-15 03:33:39,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-15 03:33:39,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-15 03:33:39,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-15 03:33:39,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-15 03:33:39,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-15 03:33:39,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-15 03:33:39,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-15 03:33:39,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-15 03:33:39,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-15 03:33:39,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-15 03:33:39,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-15 03:33:39,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-15 03:33:39,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-15 03:33:39,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-15 03:33:39,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-15 03:33:39,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 03:33:39,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 03:33:39,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 03:33:39,223 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-FA-NoLbe.epf [2021-04-15 03:33:39,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 03:33:39,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 03:33:39,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 03:33:39,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 03:33:39,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 03:33:39,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 03:33:39,247 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 03:33:39,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 03:33:39,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 03:33:39,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 03:33:39,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 03:33:39,248 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 03:33:39,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 03:33:39,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 03:33:39,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 03:33:39,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 03:33:39,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 03:33:39,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 03:33:39,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 03:33:39,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 03:33:39,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 03:33:39,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 03:33:39,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 03:33:39,616 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-15 03:33:39,618 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-15 03:33:39,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl [2021-04-15 03:33:39,619 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl' [2021-04-15 03:33:39,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 03:33:39,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-15 03:33:39,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 03:33:39,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 03:33:39,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 03:33:39,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 03:33:39,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 03:33:39,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 03:33:39,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 03:33:39,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/1) ... [2021-04-15 03:33:39,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 03:33:39,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 03:33:39,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 03:33:39,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 03:33:39,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (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 [2021-04-15 03:33:39,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-04-15 03:33:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-04-15 03:33:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-04-15 03:33:39,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-04-15 03:33:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-04-15 03:33:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-04-15 03:33:39,960 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-15 03:33:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 03:33:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 03:33:39,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-04-15 03:33:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-04-15 03:33:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-04-15 03:33:39,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-04-15 03:33:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-04-15 03:33:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-04-15 03:33:39,961 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-04-15 03:33:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-04-15 03:33:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-04-15 03:33:39,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-04-15 03:33:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-04-15 03:33:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-04-15 03:33:39,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2021-04-15 03:33:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-04-15 03:33:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-04-15 03:33:39,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 03:33:40,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 03:33:40,307 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-15 03:33:40,308 INFO L202 PluginConnector]: Adding new model ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:33:40 BoogieIcfgContainer [2021-04-15 03:33:40,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 03:33:40,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 03:33:40,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 03:33:40,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 03:33:40,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.04 03:33:39" (1/2) ... [2021-04-15 03:33:40,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eba4da2 and model type ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 03:33:40, skipping insertion in model container [2021-04-15 03:33:40,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 03:33:40" (2/2) ... [2021-04-15 03:33:40,315 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-7.wvr.bpl [2021-04-15 03:33:40,319 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 03:33:40,320 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 03:33:40,323 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 03:33:40,323 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 03:33:40,402 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-04-15 03:33:40,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-04-15 03:33:40,461 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 03:33:40,461 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 03:33:40,461 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 03:33:40,461 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 03:33:40,462 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 03:33:40,462 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 03:33:40,462 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 03:33:40,462 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 03:33:40,478 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 62 transitions, 180 flow [2021-04-15 03:44:50,353 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 447902 states, 447900 states have (on average 5.854146014735432) internal successors, (2622072), 447901 states have internal predecessors, (2622072), 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) [2021-04-15 03:44:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 447902 states, 447900 states have (on average 5.854146014735432) internal successors, (2622072), 447901 states have internal predecessors, (2622072), 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) [2021-04-15 03:44:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-04-15 03:44:55,133 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:44:55,133 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:44:55,134 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-15 03:44:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:44:55,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1862807051, now seen corresponding path program 1 times [2021-04-15 03:44:55,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:44:55,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187910203] [2021-04-15 03:44:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:44:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:44:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 03:44:55,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187910203] [2021-04-15 03:44:55,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:44:55,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-15 03:44:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762076275] [2021-04-15 03:44:55,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 03:44:55,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:44:55,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 03:44:55,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-15 03:44:56,690 INFO L87 Difference]: Start difference. First operand has 447902 states, 447900 states have (on average 5.854146014735432) internal successors, (2622072), 447901 states have internal predecessors, (2622072), 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) Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-04-15 03:45:15,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-15 03:45:15,871 INFO L93 Difference]: Finished difference Result 1317036 states and 7638292 transitions. [2021-04-15 03:45:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 03:45:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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) Word has length 53 [2021-04-15 03:45:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-15 03:45:27,213 INFO L225 Difference]: With dead ends: 1317036 [2021-04-15 03:45:27,213 INFO L226 Difference]: Without dead ends: 1317036 [2021-04-15 03:45:27,214 INFO L807 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 63.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-15 03:45:44,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317036 states. [2021-04-15 03:46:25,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317036 to 618049. [2021-04-15 03:46:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618049 states, 618048 states have (on average 5.801711193952573) internal successors, (3585736), 618048 states have internal predecessors, (3585736), 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) [2021-04-15 03:46:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618049 states to 618049 states and 3585736 transitions. [2021-04-15 03:46:37,698 INFO L78 Accepts]: Start accepts. Automaton has 618049 states and 3585736 transitions. Word has length 53 [2021-04-15 03:46:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-15 03:46:37,700 INFO L480 AbstractCegarLoop]: Abstraction has 618049 states and 3585736 transitions. [2021-04-15 03:46:37,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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) [2021-04-15 03:46:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 618049 states and 3585736 transitions. [2021-04-15 03:46:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-04-15 03:46:44,680 INFO L543 BasicCegarLoop]: Found error trace [2021-04-15 03:46:44,682 INFO L551 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-15 03:46:44,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 03:46:44,683 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-15 03:46:44,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 03:46:44,690 INFO L82 PathProgramCache]: Analyzing trace with hash 2001678919, now seen corresponding path program 2 times [2021-04-15 03:46:44,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 03:46:44,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340680863] [2021-04-15 03:46:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 03:46:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 03:46:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 03:46:44,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340680863] [2021-04-15 03:46:44,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 03:46:44,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 03:46:44,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661778989] [2021-04-15 03:46:44,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 03:46:44,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 03:46:44,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 03:46:44,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-15 03:46:44,885 INFO L87 Difference]: Start difference. First operand 618049 states and 3585736 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 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) Received shutdown request... [2021-04-15 03:46:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 03:46:46,663 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 03:46:46,663 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-15 03:46:46,678 WARN L224 ceAbstractionStarter]: Timeout [2021-04-15 03:46:46,679 INFO L202 PluginConnector]: Adding new model ticket-7.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 03:46:46 BasicIcfg [2021-04-15 03:46:46,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 03:46:46,680 INFO L168 Benchmark]: Toolchain (without parser) took 786866.58 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 237.1 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. [2021-04-15 03:46:46,693 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 03:46:46,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.33 ms. Allocated memory is still 255.9 MB. Free memory was 237.0 MB in the beginning and 235.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 03:46:46,694 INFO L168 Benchmark]: Boogie Preprocessor took 25.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.5 MB in the beginning and 234.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 03:46:46,696 INFO L168 Benchmark]: RCFGBuilder took 439.50 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.6 MB in the end (delta: 719.3 kB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-04-15 03:46:46,700 INFO L168 Benchmark]: TraceAbstraction took 786368.94 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 233.1 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. [2021-04-15 03:46:46,704 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.33 ms. Allocated memory is still 255.9 MB. Free memory was 237.0 MB in the beginning and 235.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.46 ms. Allocated memory is still 255.9 MB. Free memory was 235.5 MB in the beginning and 234.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 439.50 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.6 MB in the end (delta: 719.3 kB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 786368.94 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 233.1 MB in the beginning and 4.8 GB in the end (delta: -4.6 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 125]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 125). Cancelled while BasicCegarLoop was constructing difference of abstraction (618049states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (133572 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 786204.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11746.0ms, AutomataDifference: 33498.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 669891.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 188 SDtfs, 192 SDslu, 472 SDs, 0 SdLazy, 567 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 407.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 110.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=618049occurred in iteration=1, 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: 70474.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 698987 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.8ms SsaConstructionTime, 145.5ms SatisfiabilityAnalysisTime, 241.9ms InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 Completed graceful shutdown !SESSION 2021-04-15 03:33:37.713 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9.1 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-7.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-04-15 03:46:46.979 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e35270fe/.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/5e35270fe/.metadata/.log.