/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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 21:25:59,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 21:25:59,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 21:25:59,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 21:25:59,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 21:25:59,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 21:25:59,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 21:25:59,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 21:25:59,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 21:25:59,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 21:25:59,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 21:25:59,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 21:25:59,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 21:25:59,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 21:25:59,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 21:25:59,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 21:25:59,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 21:25:59,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 21:25:59,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 21:25:59,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 21:25:59,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 21:25:59,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 21:25:59,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 21:25:59,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 21:25:59,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 21:25:59,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 21:25:59,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 21:25:59,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 21:25:59,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 21:25:59,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 21:25:59,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 21:25:59,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 21:25:59,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 21:25:59,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 21:25:59,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 21:25:59,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 21:25:59,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 21:25:59,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 21:25:59,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 21:25:59,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 21:25:59,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 21:25:59,211 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 21:25:59,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 21:25:59,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 21:25:59,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 21:25:59,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 21:25:59,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 21:25:59,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 21:25:59,248 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 21:25:59,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 21:25:59,249 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 21:25:59,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 21:25:59,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 21:25:59,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:25:59,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 21:25:59,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 21:25:59,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 21:25:59,253 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 21:25:59,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 21:25:59,253 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 21:25:59,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 21:25:59,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 21:25:59,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 21:25:59,600 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 21:25:59,601 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 21:25:59,602 INFO L432 ainManager$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 [2021-06-06 21:25:59,602 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-06-06 21:25:59,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 21:25:59,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 21:25:59,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 21:25:59,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 21:25:59,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 21:25:59,640 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 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,649 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 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 21:25:59,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 21:25:59,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 21:25:59,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 21:25:59,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/1) ... [2021-06-06 21:25:59,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 21:25:59,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 21:25:59,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 21:25:59,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 21:25:59,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (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 [2021-06-06 21:25:59,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 21:25:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 21:25:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 21:25:59,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 21:25:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 21:25:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 21:25:59,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 21:25:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 21:25:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 21:25:59,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 21:25:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 21:25:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 21:25:59,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 21:25:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 21:25:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 21:25:59,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-06 21:25:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-06 21:25:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-06 21:25:59,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-06 21:25:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-06 21:25:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-06 21:25:59,765 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 21:25:59,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 21:25:59,984 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 21:25:59,985 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:25:59 BoogieIcfgContainer [2021-06-06 21:25:59,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 21:25:59,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 21:25:59,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 21:25:59,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 21:25:59,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:25:59" (1/2) ... [2021-06-06 21:25:59,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe7b8f0 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:25:59, skipping insertion in model container [2021-06-06 21:25:59,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:25:59" (2/2) ... [2021-06-06 21:25:59,992 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-06-06 21:26:00,008 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 21:26:00,009 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 21:26:00,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 21:26:00,010 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 21:26:00,115 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-06 21:26:00,144 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 [2021-06-06 21:26:00,204 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:26:00,204 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:26:00,204 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:26:00,204 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:26:00,204 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:26:00,204 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:26:00,204 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:26:00,204 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork3======== [2021-06-06 21:26:01,902 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE (1/5) [2021-06-06 21:26:01,904 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:26:01,920 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:26:01,921 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:26:01,921 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:26:01,921 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:26:01,921 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:26:01,921 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:26:01,921 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:26:01,921 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-06 21:26:03,252 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-06 21:26:03,253 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 [2021-06-06 21:26:03,267 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:26:03,267 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:26:03,267 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:26:03,267 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:26:03,268 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:26:03,268 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:26:03,268 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:26:03,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork2======== [2021-06-06 21:26:04,340 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE (3/5) [2021-06-06 21:26:04,341 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:26:04,357 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:26:04,357 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:26:04,357 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:26:04,357 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:26:04,357 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:26:04,358 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:26:04,358 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:26:04,358 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== [2021-06-06 21:26:05,549 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (4/5) [2021-06-06 21:26:05,550 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 [2021-06-06 21:26:05,555 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:26:05,555 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:26:05,555 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:26:05,556 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:26:05,556 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:26:05,556 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:26:05,556 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:26:05,556 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 21:26:05,595 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:26:05,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:26:05,599 INFO L82 PathProgramCache]: Analyzing trace with hash 744529832, now seen corresponding path program 1 times [2021-06-06 21:26:05,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:26:05,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634617567] [2021-06-06 21:26:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:26:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:26:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-06-06 21:26:05,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:26:05,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634617567] [2021-06-06 21:26:05,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634617567] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:26:05,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:26:05,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 21:26:05,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700446511] [2021-06-06 21:26:05,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 21:26:05,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:26:05,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 21:26:05,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 21:26:05,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:26:05,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:26:05,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:26:05,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:26:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:26:05,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 21:26:05,764 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:26:05,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:26:05,764 INFO L82 PathProgramCache]: Analyzing trace with hash 819610183, now seen corresponding path program 1 times [2021-06-06 21:26:05,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:26:05,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921447857] [2021-06-06 21:26:05,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:26:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:26:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 21:26:05,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:26:05,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921447857] [2021-06-06 21:26:05,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921447857] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:26:05,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:26:05,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 21:26:05,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386996145] [2021-06-06 21:26:05,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 21:26:05,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:26:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 21:26:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 21:26:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:26:05,801 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:26:05,801 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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) [2021-06-06 21:26:05,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:26:05,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:26:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:26:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:26:05,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 21:26:05,822 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:26:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:26:05,823 INFO L82 PathProgramCache]: Analyzing trace with hash -783656472, now seen corresponding path program 2 times [2021-06-06 21:26:05,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:26:05,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292299576] [2021-06-06 21:26:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:26:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 21:26:05,837 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 21:26:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-06 21:26:05,848 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-06 21:26:05,879 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-06 21:26:05,879 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-06 21:26:05,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 21:26:05,891 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (5/5) [2021-06-06 21:26:05,892 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 21:26:05,923 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 09:26:05 BasicIcfg [2021-06-06 21:26:05,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 21:26:05,932 INFO L168 Benchmark]: Toolchain (without parser) took 6296.75 ms. Allocated memory was 385.9 MB in the beginning and 1.2 GB in the end (delta: 845.2 MB). Free memory was 365.2 MB in the beginning and 1.0 GB in the end (delta: -673.2 MB). Peak memory consumption was 173.2 MB. Max. memory is 16.0 GB. [2021-06-06 21:26:05,933 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 385.9 MB. Free memory was 366.5 MB in the beginning and 366.4 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:26:05,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 385.9 MB. Free memory was 365.2 MB in the beginning and 363.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:26:05,937 INFO L168 Benchmark]: Boogie Preprocessor took 29.80 ms. Allocated memory is still 385.9 MB. Free memory was 363.7 MB in the beginning and 362.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:26:05,939 INFO L168 Benchmark]: RCFGBuilder took 296.83 ms. Allocated memory is still 385.9 MB. Free memory was 362.6 MB in the beginning and 347.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 21:26:05,939 INFO L168 Benchmark]: TraceAbstraction took 5936.24 ms. Allocated memory was 385.9 MB in the beginning and 1.2 GB in the end (delta: 845.2 MB). Free memory was 346.9 MB in the beginning and 1.0 GB in the end (delta: -691.5 MB). Peak memory consumption was 156.4 MB. Max. memory is 16.0 GB. [2021-06-06 21:26:05,940 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 0.14 ms. Allocated memory is still 385.9 MB. Free memory was 366.5 MB in the beginning and 366.4 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 385.9 MB. Free memory was 365.2 MB in the beginning and 363.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.80 ms. Allocated memory is still 385.9 MB. Free memory was 363.7 MB in the beginning and 362.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 296.83 ms. Allocated memory is still 385.9 MB. Free memory was 362.6 MB in the beginning and 347.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5936.24 ms. Allocated memory was 385.9 MB in the beginning and 1.2 GB in the end (delta: 845.2 MB). Free memory was 346.9 MB in the beginning and 1.0 GB in the end (delta: -691.5 MB). Peak memory consumption was 156.4 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: 73365, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 8166, negative conditional: 8166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 2053, negative conditional: 2053, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 0, positive unconditional: 65199, negative: 2053, negative conditional: 0, negative unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1629, positive: 1589, positive conditional: 0, positive unconditional: 1589, 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: 1629, positive: 1573, positive conditional: 0, positive unconditional: 1573, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 56, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67252, positive: 63610, positive conditional: 0, positive unconditional: 63610, negative: 2013, negative conditional: 0, negative unconditional: 2013, unknown: 1629, unknown conditional: 0, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1629, Positive cache size: 1589, Positive conditional cache size: 0, Positive unconditional cache size: 1589, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: 0, Independence queries for same thread: 6113 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 73365, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 8166, negative conditional: 8166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 2053, negative conditional: 2053, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 0, positive unconditional: 65199, negative: 2053, negative conditional: 0, negative unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1629, positive: 1589, positive conditional: 0, positive unconditional: 1589, 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: 1629, positive: 1573, positive conditional: 0, positive unconditional: 1573, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 56, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67252, positive: 63610, positive conditional: 0, positive unconditional: 63610, negative: 2013, negative conditional: 0, negative unconditional: 2013, unknown: 1629, unknown conditional: 0, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1629, Positive cache size: 1589, Positive conditional cache size: 0, Positive unconditional cache size: 1589, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: 0, Independence queries for same thread: 6113 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 73365, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 8166, negative conditional: 8166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 2053, negative conditional: 2053, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 0, positive unconditional: 65199, negative: 2053, negative conditional: 0, negative unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1629, positive: 1589, positive conditional: 0, positive unconditional: 1589, 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: 1629, positive: 1573, positive conditional: 0, positive unconditional: 1573, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 56, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67252, positive: 63610, positive conditional: 0, positive unconditional: 63610, negative: 2013, negative conditional: 0, negative unconditional: 2013, unknown: 1629, unknown conditional: 0, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1629, Positive cache size: 1589, Positive conditional cache size: 0, Positive unconditional cache size: 1589, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: 0, Independence queries for same thread: 6113 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 73365, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 8166, negative conditional: 8166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 65199, positive unconditional: 0, negative: 2053, negative conditional: 2053, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67252, positive: 65199, positive conditional: 0, positive unconditional: 65199, negative: 2053, negative conditional: 0, negative unconditional: 2053, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1629, positive: 1589, positive conditional: 0, positive unconditional: 1589, 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: 1629, positive: 1573, positive conditional: 0, positive unconditional: 1573, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56, positive: 16, positive conditional: 0, positive unconditional: 16, 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: 56, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67252, positive: 63610, positive conditional: 0, positive unconditional: 63610, negative: 2013, negative conditional: 0, negative unconditional: 2013, unknown: 1629, unknown conditional: 0, unknown unconditional: 1629] , Statistics on independence cache: Total cache size (in pairs): 1629, Positive cache size: 1589, Positive conditional cache size: 0, Positive unconditional cache size: 1589, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 ], Maximal queried relation: 0, Independence queries for same thread: 6113 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 778, positive: 632, positive conditional: 632, positive unconditional: 0, negative: 146, negative conditional: 146, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 672, positive: 632, positive conditional: 632, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 672, positive: 632, positive conditional: 0, positive unconditional: 632, 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: 275, positive: 260, positive conditional: 0, positive unconditional: 260, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 275, positive: 254, positive conditional: 0, positive unconditional: 254, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 37, negative conditional: 2, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 672, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 275, unknown conditional: 0, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 12, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 12, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 37, negative conditional: 2, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 9, negative unconditional: 33, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 33, SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 12, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 12, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 37, negative conditional: 2, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 9, negative unconditional: 33, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 18, Negative conditional cache size: 3, Negative unconditional cache size: 15, Eliminated conditions: 33 ], Maximal queried relation: 2, Independence queries for same thread: 106 - CounterExampleResult [Line: 121]: assertion can be violated assertion can be violated We found a FailurePath: [L115] 0 assume x_0 == x_8 && y_1 == y_9; VAL [x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L116] FORK 0 fork 1 thread1(); VAL [x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L60] 1 f1_2 := false; [L61] 1 f2_3 := false; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L63] FORK 1 fork 2, 2 thread2(); VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L30] 2 temp_4 := x_0; VAL [f1_2=false, f2_3=false, temp_4=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L64] FORK 1 fork 3, 3, 3 thread3(); VAL [f1_2=false, f2_3=false, temp_4=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L45] 3 temp_6 := y_1; VAL [f1_2=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L46] 3 y_1 := temp_6 + 1; VAL [f1_2=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L117] FORK 0 fork 4, 4, 4, 4 thread4(); VAL [f1_2=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L47] 3 f2_3 := true; VAL [f1_2=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L103] 4 f1_10 := false; [L104] 4 f2_11 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L106] FORK 4 fork 5, 5, 5, 5, 5 thread5(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L31] 2 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L107] FORK 4 fork 6, 6, 6, 6, 6, 6 thread6(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L32] 2 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L33] 2 assume f2_3; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L48] 3 assume f1_2; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L34] 2 temp_5 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L49] 3 temp_7 := x_0; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=0, y_9=-1] [L108] JOIN 5 join 5, 5, 5, 5, 5; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=0, y_9=-1] [L50] 3 x_0 := temp_7 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=0, y_9=-1] [L51] 3 f2_3 := false; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=0, y_9=-1] [L35] 2 y_1 := temp_5 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L109] JOIN 6 join 6, 6, 6, 6, 6, 6; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L36] 2 f1_2 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L52] 3 assume !f1_2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L37] 2 assume !f2_3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L65] JOIN 2 join 2, 2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L66] JOIN 3 join 3, 3, 3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L118] JOIN 1 join 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L119] JOIN 4 join 4, 4, 4, 4; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L120] 0 assume !(x_0 == x_8 && y_1 == y_9); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L121] 0 assert false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] - 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: 1729.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.1ms, PartialOrderReductionTime: 1659.2ms, 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: 1340.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.2ms, PartialOrderReductionTime: 1326.2ms, 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: 1078.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 1069.3ms, 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: 1207.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 1188.7ms, 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 - 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: UNSAFE, OverallTime: 340.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 84.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.5ms SsaConstructionTime, 35.5ms SatisfiabilityAnalysisTime, 74.6ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 117/117 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 proved your program to be incorrect! Received shutdown request...