/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:09:11,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:09:11,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:09:11,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 07:09:11,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 07:09:11,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 07:09:11,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 07:09:11,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 07:09:11,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 07:09:11,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 07:09:11,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 07:09:11,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 07:09:11,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:09:11,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:09:11,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:09:11,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:09:11,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:09:11,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:09:11,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:09:11,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:09:11,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:09:11,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:09:11,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:09:11,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:09:11,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 07:09:11,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 07:09:11,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 07:09:11,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 07:09:11,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 07:09:11,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 07:09:11,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 07:09:11,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 07:09:11,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 07:09:11,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 07:09:11,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 07:09:11,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 07:09:11,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 07:09:11,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 07:09:11,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:09:11,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:09:11,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:09:11,743 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 07:09:11,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:09:11,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:09:11,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:09:11,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:09:11,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:09:11,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:09:11,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:09:11,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:09:11,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:09:11,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:09:11,774 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:09:11,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:09:12,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:09:12,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:09:12,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:09:12,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 07:09:12,056 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 07:09:12,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl [2021-06-02 07:09:12,057 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl' [2021-06-02 07:09:12,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:09:12,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 07:09:12,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:09:12,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:09:12,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:09:12,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:09:12,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:09:12,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:09:12,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:09:12,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/1) ... [2021-06-02 07:09:12,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:09:12,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:09:12,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:09:12,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:09:12,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (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 07:09:12,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 07:09:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 07:09:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 07:09:12,196 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 07:09:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 07:09:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 07:09:12,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 07:09:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:09:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:09:12,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 07:09:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 07:09:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 07:09:12,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-02 07:09:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-02 07:09:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-02 07:09:12,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-02 07:09:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-02 07:09:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-02 07:09:12,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-02 07:09:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-02 07:09:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-02 07:09:12,198 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 07:09:12,482 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:09:12,482 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-02 07:09:12,483 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-02 07:09:12,483 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-02 07:09:12,483 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-06-02 07:09:12,483 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-06-02 07:09:12,484 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:09:12 BoogieIcfgContainer [2021-06-02 07:09:12,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:09:12,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:09:12,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:09:12,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:09:12,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:09:12" (1/2) ... [2021-06-02 07:09:12,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e0e9c5 and model type parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:09:12, skipping insertion in model container [2021-06-02 07:09:12,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:09:12" (2/2) ... [2021-06-02 07:09:12,503 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1-dsl.wvr.bpl [2021-06-02 07:09:12,507 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:09:12,507 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:09:12,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:09:12,508 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:09:12,627 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-02 07:09:12,642 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 07:09:12,695 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:09:12,695 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:09:12,695 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:09:12,695 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:09:12,695 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:09:12,695 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:09:12,695 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:09:12,695 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork1======== [2021-06-02 07:09:13,099 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE (1/5) [2021-06-02 07:09:13,100 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 [2021-06-02 07:09:13,110 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:09:13,111 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:09:13,111 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:09:13,111 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:09:13,111 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:09:13,111 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:09:13,111 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:09:13,111 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-02 07:09:13,250 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-02 07:09:13,251 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) [2021-06-02 07:09:13,269 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:09:13,269 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:09:13,269 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:09:13,269 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:09:13,269 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:09:13,269 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:09:13,269 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:09:13,269 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 07:09:13,386 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (3/5) [2021-06-02 07:09:13,387 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 [2021-06-02 07:09:13,440 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:09:13,441 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:09:13,441 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:09:13,441 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:09:13,441 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:09:13,441 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:09:13,441 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:09:13,441 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-06-02 07:09:13,666 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (4/5) [2021-06-02 07:09:13,667 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 07:09:13,688 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:09:13,688 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:09:13,688 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:09:13,688 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:09:13,688 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:09:13,688 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:09:13,689 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:09:13,689 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 07:09:13,760 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (5/5) [2021-06-02 07:09:13,760 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:09:13,762 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:09:13 BasicIcfg [2021-06-02 07:09:13,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:09:13,763 INFO L168 Benchmark]: Toolchain (without parser) took 1650.11 ms. Allocated memory is still 371.2 MB. Free memory was 350.8 MB in the beginning and 294.6 MB in the end (delta: 56.2 MB). Peak memory consumption was 58.8 MB. Max. memory is 16.0 GB. [2021-06-02 07:09:13,764 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 371.2 MB. Free memory was 352.1 MB in the beginning and 352.0 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:09:13,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 371.2 MB. Free memory was 350.8 MB in the beginning and 349.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:09:13,764 INFO L168 Benchmark]: Boogie Preprocessor took 11.75 ms. Allocated memory is still 371.2 MB. Free memory was 349.3 MB in the beginning and 348.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:09:13,764 INFO L168 Benchmark]: RCFGBuilder took 336.73 ms. Allocated memory is still 371.2 MB. Free memory was 348.3 MB in the beginning and 330.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-02 07:09:13,765 INFO L168 Benchmark]: TraceAbstraction took 1277.13 ms. Allocated memory is still 371.2 MB. Free memory was 329.7 MB in the beginning and 294.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. [2021-06-02 07:09:13,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 371.2 MB. Free memory was 352.1 MB in the beginning and 352.0 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 371.2 MB. Free memory was 350.8 MB in the beginning and 349.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.75 ms. Allocated memory is still 371.2 MB. Free memory was 349.3 MB in the beginning and 348.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 336.73 ms. Allocated memory is still 371.2 MB. Free memory was 348.3 MB in the beginning and 330.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1277.13 ms. Allocated memory is still 371.2 MB. Free memory was 329.7 MB in the beginning and 294.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 37.8 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: 85, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 72, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3648, positive: 3578, positive conditional: 0, positive unconditional: 3578, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2624, positive: 2563, positive conditional: 0, positive unconditional: 2563, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2624, positive: 2514, positive conditional: 0, positive unconditional: 2514, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3648, positive: 1015, positive conditional: 0, positive unconditional: 1015, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2624, unknown conditional: 0, unknown unconditional: 2624] , Statistics on independence cache: Total cache size (in pairs): 2624, Positive cache size: 2563, Positive conditional cache size: 0, Positive unconditional cache size: 2563, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 ], Maximal queried relation: 0, Independence queries for same thread: 13 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 368, Number of persistent set computation: 27, Number of trivial persistent sets: 18, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 3648, positive: 3578, positive conditional: 0, positive unconditional: 3578, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2624, positive: 2563, positive conditional: 0, positive unconditional: 2563, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2624, positive: 2514, positive conditional: 0, positive unconditional: 2514, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3648, positive: 1015, positive conditional: 0, positive unconditional: 1015, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2624, unknown conditional: 0, unknown unconditional: 2624] , Statistics on independence cache: Total cache size (in pairs): 2624, Positive cache size: 2563, Positive conditional cache size: 0, Positive unconditional cache size: 2563, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 134, Number of persistent set computation: 5, Number of trivial persistent sets: 3, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 106, Number of persistent set computation: 5, Number of trivial persistent sets: 3, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 55, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3696, positive: 3626, positive conditional: 0, positive unconditional: 3626, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2645, positive: 2584, positive conditional: 0, positive unconditional: 2584, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2645, positive: 2535, positive conditional: 0, positive unconditional: 2535, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3696, positive: 1042, positive conditional: 0, positive unconditional: 1042, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2645, unknown conditional: 0, unknown unconditional: 2645] , Statistics on independence cache: Total cache size (in pairs): 2645, Positive cache size: 2584, Positive conditional cache size: 0, Positive unconditional cache size: 2584, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 ], Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 211, Number of persistent set computation: 33, Number of trivial persistent sets: 25, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 3696, positive: 3626, positive conditional: 0, positive unconditional: 3626, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2645, positive: 2584, positive conditional: 0, positive unconditional: 2584, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2645, positive: 2535, positive conditional: 0, positive unconditional: 2535, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 110, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3696, positive: 1042, positive conditional: 0, positive unconditional: 1042, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2645, unknown conditional: 0, unknown unconditional: 2645] , Statistics on independence cache: Total cache size (in pairs): 2645, Positive cache size: 2584, Positive conditional cache size: 0, Positive unconditional cache size: 2584, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 69, Number of persistent set computation: 5, Number of trivial persistent sets: 3, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1572, positive: 1508, positive conditional: 0, positive unconditional: 1508, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1462, positive: 1402, positive conditional: 0, positive unconditional: 1402, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1462, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1572, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1462, unknown conditional: 0, unknown unconditional: 1462] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1402, Positive conditional cache size: 0, Positive unconditional cache size: 1402, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - PositiveResult [Line: 110]: 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: thread4Thread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 437.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 389.5ms, 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, 71 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 146.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 135.4ms, 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, 71 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.9ms, PartialOrderReductionTime: 106.7ms, 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 277.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 219.3ms, 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: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 71 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 92.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 69.6ms, 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...