/usr/bin/java -Xmx8000000000 -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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 16:07:37,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 16:07:37,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 16:07:37,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-13 16:07:37,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-13 16:07:37,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-13 16:07:37,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-13 16:07:37,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-13 16:07:37,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-13 16:07:37,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-13 16:07:37,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-13 16:07:37,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-13 16:07:37,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 16:07:37,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 16:07:37,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 16:07:37,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 16:07:37,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 16:07:37,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 16:07:37,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 16:07:37,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 16:07:37,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 16:07:37,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 16:07:37,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 16:07:37,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 16:07:37,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-13 16:07:37,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-13 16:07:37,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-13 16:07:37,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-13 16:07:37,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-13 16:07:37,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-13 16:07:37,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-13 16:07:37,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-13 16:07:37,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-13 16:07:37,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-13 16:07:37,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-13 16:07:37,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-13 16:07:37,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-13 16:07:37,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-13 16:07:37,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 16:07:37,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 16:07:37,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 16:07:37,177 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-NewStatesSleep-NoLbe.epf [2021-06-13 16:07:37,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 16:07:37,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 16:07:37,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 16:07:37,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 16:07:37,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 16:07:37,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 16:07:37,217 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 16:07:37,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 16:07:37,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 16:07:37,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 16:07:37,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 16:07:37,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 16:07:37,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 16:07:37,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 16:07:37,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 16:07:37,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 16:07:37,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 16:07:37,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 16:07:37,220 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 16:07:37,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 16:07:37,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 16:07:37,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 16:07:37,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 16:07:37,439 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 16:07:37,440 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 16:07:37,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl [2021-06-13 16:07:37,440 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl' [2021-06-13 16:07:37,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 16:07:37,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 16:07:37,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 16:07:37,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 16:07:37,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 16:07:37,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 16:07:37,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 16:07:37,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 16:07:37,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 16:07:37,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/1) ... [2021-06-13 16:07:37,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 16:07:37,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 16:07:37,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 16:07:37,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 16:07:37,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (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 [2021-06-13 16:07:37,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 16:07:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 16:07:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 16:07:37,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 16:07:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 16:07:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 16:07:37,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 16:07:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 16:07:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 16:07:37,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 16:07:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 16:07:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 16:07:37,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-13 16:07:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-13 16:07:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-13 16:07:37,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-13 16:07:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-13 16:07:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-13 16:07:37,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-13 16:07:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-13 16:07:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-13 16:07:37,542 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 16:07:37,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 16:07:37,674 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 16:07:37,675 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 04:07:37 BoogieIcfgContainer [2021-06-13 16:07:37,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 16:07:37,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 16:07:37,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 16:07:37,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 16:07:37,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 04:07:37" (1/2) ... [2021-06-13 16:07:37,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db171a9 and model type barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 04:07:37, skipping insertion in model container [2021-06-13 16:07:37,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 04:07:37" (2/2) ... [2021-06-13 16:07:37,680 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier.wvr.bpl [2021-06-13 16:07:37,684 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 16:07:37,684 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 16:07:37,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 16:07:37,684 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 16:07:37,818 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-13 16:07:37,832 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 [2021-06-13 16:07:37,870 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:07:37,870 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:07:37,871 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:07:37,871 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:07:37,871 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:07:37,871 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:07:37,871 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:07:37,871 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork4======== [2021-06-13 16:07:38,502 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork4 was SAFE (1/5) [2021-06-13 16:07:38,503 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 [2021-06-13 16:07:38,515 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:07:38,515 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:07:38,515 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:07:38,515 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:07:38,515 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:07:38,515 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:07:38,515 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:07:38,515 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-13 16:07:38,899 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-13 16:07:38,899 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) [2021-06-13 16:07:38,919 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:07:38,919 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:07:38,919 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:07:38,919 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:07:38,919 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:07:38,919 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:07:38,919 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:07:38,919 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork2======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 16:07:39,227 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork2 was SAFE (3/5) [2021-06-13 16:07:39,228 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 [2021-06-13 16:07:39,234 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:07:39,234 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:07:39,234 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:07:39,234 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:07:39,234 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:07:39,234 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:07:39,234 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:07:39,234 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== [2021-06-13 16:07:39,492 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (4/5) [2021-06-13 16:07:39,493 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) [2021-06-13 16:07:39,507 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 16:07:39,507 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 16:07:39,507 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 16:07:39,507 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 16:07:39,507 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 16:07:39,507 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 16:07:39,507 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 16:07:39,508 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 16:07:39,515 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-13 16:07:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:07:39,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1778695948, now seen corresponding path program 1 times [2021-06-13 16:07:39,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:07:39,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484756488] [2021-06-13 16:07:39,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:07:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:07:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:07:39,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:07:39,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484756488] [2021-06-13 16:07:39,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484756488] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 16:07:39,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 16:07:39,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 16:07:39,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199508681] [2021-06-13 16:07:39,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 16:07:39,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:07:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 16:07:39,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 16:07:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:39,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:07:39,640 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-13 16:07:39,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:39,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:39,679 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 16:07:39,679 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-13 16:07:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:07:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1836368268, now seen corresponding path program 2 times [2021-06-13 16:07:39,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:07:39,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106952950] [2021-06-13 16:07:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:07:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:07:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:07:39,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:07:39,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106952950] [2021-06-13 16:07:39,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106952950] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 16:07:39,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 16:07:39,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 16:07:39,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191543558] [2021-06-13 16:07:39,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 16:07:39,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:07:39,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 16:07:39,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 16:07:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:39,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:07:39,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-13 16:07:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:39,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:39,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:39,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 16:07:39,750 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-13 16:07:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:07:39,750 INFO L82 PathProgramCache]: Analyzing trace with hash -293030924, now seen corresponding path program 3 times [2021-06-13 16:07:39,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:07:39,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173591713] [2021-06-13 16:07:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:07:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:07:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:07:40,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:07:40,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173591713] [2021-06-13 16:07:40,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173591713] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 16:07:40,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 16:07:40,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-13 16:07:40,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086336040] [2021-06-13 16:07:40,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 16:07:40,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:07:40,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 16:07:40,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2021-06-13 16:07:40,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:40,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:07:40,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 15 states have internal predecessors, (47), 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) [2021-06-13 16:07:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-13 16:07:40,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 16:07:40,590 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-13 16:07:40,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:07:40,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1892184396, now seen corresponding path program 4 times [2021-06-13 16:07:40,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:07:40,590 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376744467] [2021-06-13 16:07:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:07:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:07:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:07:40,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:07:40,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376744467] [2021-06-13 16:07:40,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376744467] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 16:07:40,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 16:07:40,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 16:07:40,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203422143] [2021-06-13 16:07:40,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 16:07:40,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:07:40,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 16:07:40,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 16:07:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:40,635 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:07:40,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-13 16:07:40,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:40,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-13 16:07:40,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-13 16:07:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 16:07:41,077 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-13 16:07:41,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 16:07:41,077 INFO L82 PathProgramCache]: Analyzing trace with hash -161525068, now seen corresponding path program 5 times [2021-06-13 16:07:41,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 16:07:41,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894654236] [2021-06-13 16:07:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 16:07:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 16:07:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 16:07:41,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 16:07:41,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894654236] [2021-06-13 16:07:41,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894654236] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 16:07:41,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 16:07:41,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 16:07:41,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233593572] [2021-06-13 16:07:41,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 16:07:41,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 16:07:41,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 16:07:41,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 16:07:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:41,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 16:07:41,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-13 16:07:41,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-13 16:07:41,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 16:07:41,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-13 16:07:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 16:07:41,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 16:07:41,294 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (5/5) [2021-06-13 16:07:41,294 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 16:07:41,296 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 04:07:41 BasicIcfg [2021-06-13 16:07:41,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 16:07:41,296 INFO L168 Benchmark]: Toolchain (without parser) took 3838.06 ms. Allocated memory was 231.7 MB in the beginning and 609.2 MB in the end (delta: 377.5 MB). Free memory was 212.0 MB in the beginning and 496.8 MB in the end (delta: -284.8 MB). Peak memory consumption was 93.8 MB. Max. memory is 8.0 GB. [2021-06-13 16:07:41,296 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 231.7 MB. Free memory is still 213.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 16:07:41,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.98 ms. Allocated memory is still 231.7 MB. Free memory was 211.9 MB in the beginning and 210.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 16:07:41,297 INFO L168 Benchmark]: Boogie Preprocessor took 10.26 ms. Allocated memory is still 231.7 MB. Free memory was 210.4 MB in the beginning and 209.5 MB in the end (delta: 913.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 16:07:41,297 INFO L168 Benchmark]: RCFGBuilder took 186.66 ms. Allocated memory is still 231.7 MB. Free memory was 209.5 MB in the beginning and 195.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-13 16:07:41,297 INFO L168 Benchmark]: TraceAbstraction took 3619.51 ms. Allocated memory was 231.7 MB in the beginning and 609.2 MB in the end (delta: 377.5 MB). Free memory was 195.2 MB in the beginning and 496.8 MB in the end (delta: -301.6 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. [2021-06-13 16:07:41,298 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 0.10 ms. Allocated memory is still 231.7 MB. Free memory is still 213.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.98 ms. Allocated memory is still 231.7 MB. Free memory was 211.9 MB in the beginning and 210.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.26 ms. Allocated memory is still 231.7 MB. Free memory was 210.4 MB in the beginning and 209.5 MB in the end (delta: 913.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 186.66 ms. Allocated memory is still 231.7 MB. Free memory was 209.5 MB in the beginning and 195.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3619.51 ms. Allocated memory was 231.7 MB in the beginning and 609.2 MB in the end (delta: 377.5 MB). Free memory was 195.2 MB in the beginning and 496.8 MB in the end (delta: -301.6 MB). Peak memory consumption was 77.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29832, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 2100, negative conditional: 2100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 539, negative conditional: 539, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 0, positive unconditional: 27732, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 654, positive conditional: 0, positive unconditional: 654, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28271, positive: 27078, positive conditional: 0, positive unconditional: 27078, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 654, Positive conditional cache size: 0, Positive unconditional cache size: 654, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 1561 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29832, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 2100, negative conditional: 2100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 539, negative conditional: 539, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 0, positive unconditional: 27732, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 654, positive conditional: 0, positive unconditional: 654, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28271, positive: 27078, positive conditional: 0, positive unconditional: 27078, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 654, Positive conditional cache size: 0, Positive unconditional cache size: 654, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 1561 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29832, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 2100, negative conditional: 2100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 539, negative conditional: 539, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 0, positive unconditional: 27732, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 654, positive conditional: 0, positive unconditional: 654, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28271, positive: 27078, positive conditional: 0, positive unconditional: 27078, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 654, Positive conditional cache size: 0, Positive unconditional cache size: 654, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 1561 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29832, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 2100, negative conditional: 2100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 27732, positive unconditional: 0, negative: 539, negative conditional: 539, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28271, positive: 27732, positive conditional: 0, positive unconditional: 27732, negative: 539, negative conditional: 0, negative unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, positive: 654, positive conditional: 0, positive unconditional: 654, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28271, positive: 27078, positive conditional: 0, positive unconditional: 27078, negative: 525, negative conditional: 0, negative unconditional: 525, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 654, Positive conditional cache size: 0, Positive unconditional cache size: 654, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 1561 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19014, positive: 17493, positive conditional: 17493, positive unconditional: 0, negative: 1521, negative conditional: 1521, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 17591, positive: 17493, positive conditional: 17493, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 17591, positive: 17493, positive conditional: 0, positive unconditional: 17493, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, positive: 634, positive conditional: 0, positive unconditional: 634, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17591, positive: 16857, positive conditional: 0, positive unconditional: 16857, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 428, negative conditional: 92, negative unconditional: 336, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, Eliminated conditions: 336, SemanticConditionEliminator.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 428, negative conditional: 92, negative unconditional: 336, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, Eliminated conditions: 336, SemanticConditionEliminator.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 428, negative conditional: 92, negative unconditional: 336, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, Eliminated conditions: 336, SemanticConditionEliminator.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 428, negative conditional: 92, negative unconditional: 336, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, Eliminated conditions: 336, SemanticConditionEliminator.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 430, negative conditional: 94, negative unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 28, negative conditional: 1, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 428, negative conditional: 92, negative unconditional: 336, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 636, Positive conditional cache size: 0, Positive unconditional cache size: 636, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, Eliminated conditions: 336 ], Maximal queried relation: 5, Independence queries for same thread: 1423 - PositiveResult [Line: 95]: 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: thread4Thread1of1ForFork4 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 653.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 607.7ms, 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: thread1 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 387.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 379.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 319.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 305.0ms, 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, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 262.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 255.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 112 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1799.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 1203.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 11.3ms SsaConstructionTime, 73.5ms SatisfiabilityAnalysisTime, 404.4ms InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...