/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-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:10:04,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:10:04,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:10:04,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 05:10:04,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 05:10:04,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 05:10:04,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 05:10:04,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 05:10:04,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 05:10:04,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 05:10:04,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 05:10:04,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 05:10:04,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:10:04,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:10:04,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:10:04,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:10:04,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:10:04,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:10:04,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:10:04,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:10:04,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:10:04,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:10:04,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:10:04,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:10:04,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 05:10:04,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 05:10:04,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 05:10:04,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 05:10:04,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 05:10:04,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 05:10:04,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:10:04,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:10:04,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:10:04,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:10:04,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:10:04,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:10:04,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:10:04,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 05:10:04,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 05:10:04,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 05:10:04,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 05:10:04,141 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-POR-Persistent-NoLbe.epf [2021-06-02 05:10:04,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:10:04,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:10:04,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:10:04,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:10:04,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:10:04,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:10:04,177 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:10:04,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:10:04,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:10:04,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:10:04,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:10:04,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:10:04,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:10:04,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:10:04,180 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-02 05:10:04,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:10:04,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:10:04,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:10:04,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:10:04,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 05:10:04,552 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 05:10:04,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl [2021-06-02 05:10:04,553 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-06-02 05:10:04,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:10:04,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 05:10:04,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:10:04,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:10:04,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:10:04,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:10:04,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:10:04,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:10:04,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:10:04,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... [2021-06-02 05:10:04,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:10:04,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:10:04,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:10:04,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:10:04,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:10:04,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 05:10:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 05:10:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 05:10:04,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 05:10:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 05:10:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 05:10:04,707 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 05:10:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:10:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:10:04,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 05:10:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 05:10:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 05:10:04,708 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-02 05:10:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-02 05:10:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-02 05:10:04,709 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-02 05:10:04,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-02 05:10:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-02 05:10:04,711 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-02 05:10:04,711 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-02 05:10:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-02 05:10:04,713 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 05:10:04,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:10:04,969 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-02 05:10:04,971 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:10:04 BoogieIcfgContainer [2021-06-02 05:10:04,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:10:04,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:10:04,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:10:04,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:10:04,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:10:04" (1/2) ... [2021-06-02 05:10:04,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce752f3 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:10:04, skipping insertion in model container [2021-06-02 05:10:04,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:10:04" (2/2) ... [2021-06-02 05:10:04,994 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-06-02 05:10:04,999 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:10:04,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:10:04,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:10:05,000 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:10:05,147 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-02 05:10:05,164 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:10:05,219 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:10:05,219 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:10:05,219 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:10:05,220 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:10:05,220 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:10:05,220 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:10:05,220 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:10:05,220 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork3======== [2021-06-02 05:10:05,811 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE (1/5) [2021-06-02 05:10:05,812 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 05:10:05,838 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:10:05,838 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:10:05,838 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:10:05,838 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:10:05,838 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:10:05,839 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:10:05,839 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:10:05,839 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:10:05,996 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-02 05:10:05,996 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:10:06,015 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:10:06,015 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:10:06,016 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:10:06,016 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:10:06,016 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:10:06,016 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:10:06,016 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:10:06,016 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork2======== [2021-06-02 05:10:06,328 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE (3/5) [2021-06-02 05:10:06,329 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 05:10:06,344 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:10:06,345 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:10:06,345 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:10:06,345 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:10:06,345 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:10:06,345 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:10:06,345 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:10:06,345 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:10:06,433 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (4/5) [2021-06-02 05:10:06,433 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:10:06,439 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:10:06,440 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:10:06,440 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:10:06,440 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:10:06,440 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:10:06,440 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:10:06,440 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:10:06,440 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:10:06,541 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (5/5) [2021-06-02 05:10:06,541 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:10:06,543 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:10:06 BasicIcfg [2021-06-02 05:10:06,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:10:06,545 INFO L168 Benchmark]: Toolchain (without parser) took 1958.22 ms. Allocated memory is still 341.8 MB. Free memory was 320.9 MB in the beginning and 200.1 MB in the end (delta: 120.8 MB). Peak memory consumption was 120.9 MB. Max. memory is 16.0 GB. [2021-06-02 05:10:06,545 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 341.8 MB. Free memory was 322.2 MB in the beginning and 322.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:10:06,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.93 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:10:06,546 INFO L168 Benchmark]: Boogie Preprocessor took 14.90 ms. Allocated memory is still 341.8 MB. Free memory was 319.3 MB in the beginning and 318.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:10:06,546 INFO L168 Benchmark]: RCFGBuilder took 344.68 ms. Allocated memory is still 341.8 MB. Free memory was 318.2 MB in the beginning and 302.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 05:10:06,547 INFO L168 Benchmark]: TraceAbstraction took 1554.32 ms. Allocated memory is still 341.8 MB. Free memory was 302.3 MB in the beginning and 200.1 MB in the end (delta: 102.2 MB). Peak memory consumption was 104.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:10:06,548 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 0.16 ms. Allocated memory is still 341.8 MB. Free memory was 322.2 MB in the beginning and 322.1 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.93 ms. Allocated memory is still 341.8 MB. Free memory was 320.8 MB in the beginning and 319.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.90 ms. Allocated memory is still 341.8 MB. Free memory was 319.3 MB in the beginning and 318.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 344.68 ms. Allocated memory is still 341.8 MB. Free memory was 318.2 MB in the beginning and 302.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1554.32 ms. Allocated memory is still 341.8 MB. Free memory was 302.3 MB in the beginning and 200.1 MB in the end (delta: 102.2 MB). Peak memory consumption was 104.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5536, positive: 5496, positive conditional: 0, positive unconditional: 5496, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4411, positive: 4371, positive conditional: 0, positive unconditional: 4371, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4411, positive: 4338, positive conditional: 0, positive unconditional: 4338, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 220, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5536, positive: 1125, positive conditional: 0, positive unconditional: 1125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4411, unknown conditional: 0, unknown unconditional: 4411] , Statistics on independence cache: Total cache size (in pairs): 4411, Positive cache size: 4371, Positive conditional cache size: 0, Positive unconditional cache size: 4371, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 538, Number of persistent set computation: 25, Number of trivial persistent sets: 16, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 5536, positive: 5496, positive conditional: 0, positive unconditional: 5496, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4411, positive: 4371, positive conditional: 0, positive unconditional: 4371, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4411, positive: 4338, positive conditional: 0, positive unconditional: 4338, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 220, positive: 131, positive conditional: 0, positive unconditional: 131, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5536, positive: 1125, positive conditional: 0, positive unconditional: 1125, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4411, unknown conditional: 0, unknown unconditional: 4411] , Statistics on independence cache: Total cache size (in pairs): 4411, Positive cache size: 4371, Positive conditional cache size: 0, Positive unconditional cache size: 4371, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 150, Number of persistent set computation: 6, Number of trivial persistent sets: 4, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5662, positive: 5622, positive conditional: 0, positive unconditional: 5622, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4432, positive: 4392, positive conditional: 0, positive unconditional: 4392, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4432, positive: 4359, positive conditional: 0, positive unconditional: 4359, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5662, positive: 1230, positive conditional: 0, positive unconditional: 1230, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4432, unknown conditional: 0, unknown unconditional: 4432] , Statistics on independence cache: Total cache size (in pairs): 4432, Positive cache size: 4392, Positive conditional cache size: 0, Positive unconditional cache size: 4392, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 297, Number of persistent set computation: 32, Number of trivial persistent sets: 22, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 5662, positive: 5622, positive conditional: 0, positive unconditional: 5622, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4432, positive: 4392, positive conditional: 0, positive unconditional: 4392, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4432, positive: 4359, positive conditional: 0, positive unconditional: 4359, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5662, positive: 1230, positive conditional: 0, positive unconditional: 1230, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4432, unknown conditional: 0, unknown unconditional: 4432] , Statistics on independence cache: Total cache size (in pairs): 4432, Positive cache size: 4392, Positive conditional cache size: 0, Positive unconditional cache size: 4392, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 84, Number of persistent set computation: 6, Number of trivial persistent sets: 4, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 97, Number of persistent set computation: 6, Number of trivial persistent sets: 4, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 2906, positive: 2866, positive conditional: 0, positive unconditional: 2866, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2786, positive: 2746, positive conditional: 0, positive unconditional: 2746, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2786, positive: 2733, positive conditional: 0, positive unconditional: 2733, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2906, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2786, unknown conditional: 0, unknown unconditional: 2786] , Statistics on independence cache: Total cache size (in pairs): 2786, Positive cache size: 2746, Positive conditional cache size: 0, Positive unconditional cache size: 2746, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - PositiveResult [Line: 121]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork3 with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 633.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 566.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1 with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 174.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 150.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 321.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 305.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4 with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 102.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 84.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 106.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 97.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...