./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 22:12:50,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 22:12:50,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 22:12:50,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 22:12:50,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 22:12:50,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 22:12:50,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 22:12:50,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 22:12:50,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 22:12:50,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 22:12:50,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 22:12:50,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 22:12:50,864 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 22:12:50,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 22:12:50,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 22:12:50,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 22:12:50,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 22:12:50,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 22:12:50,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 22:12:50,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 22:12:50,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 22:12:50,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 22:12:50,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 22:12:50,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 22:12:50,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 22:12:50,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 22:12:50,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 22:12:50,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 22:12:50,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 22:12:50,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 22:12:50,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 22:12:50,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 22:12:50,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 22:12:50,872 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 22:12:50,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 22:12:50,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 22:12:50,873 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 22:12:50,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 22:12:50,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 22:12:50,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 22:12:50,874 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 22:12:50,875 INFO L153 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/UGemCutter-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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 22:12:51,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 22:12:51,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 22:12:51,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 22:12:51,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 22:12:51,200 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 22:12:51,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-10-18 22:12:52,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 22:12:52,899 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 22:12:52,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-10-18 22:12:52,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/925448dee/5d0aed5f287840c2ae912a3605d0a11a/FLAG16683da83 [2024-10-18 22:12:53,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/925448dee/5d0aed5f287840c2ae912a3605d0a11a [2024-10-18 22:12:53,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 22:12:53,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 22:12:53,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 22:12:53,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 22:12:53,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 22:12:53,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69521c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53, skipping insertion in model container [2024-10-18 22:12:53,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 22:12:53,449 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2024-10-18 22:12:53,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 22:12:53,637 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 22:12:53,650 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2024-10-18 22:12:53,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 22:12:53,739 INFO L204 MainTranslator]: Completed translation [2024-10-18 22:12:53,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53 WrapperNode [2024-10-18 22:12:53,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 22:12:53,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 22:12:53,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 22:12:53,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 22:12:53,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,794 INFO L138 Inliner]: procedures = 165, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2024-10-18 22:12:53,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 22:12:53,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 22:12:53,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 22:12:53,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 22:12:53,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 22:12:53,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 22:12:53,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 22:12:53,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 22:12:53,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (1/1) ... [2024-10-18 22:12:53,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 22:12:53,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:12:53,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 22:12:53,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 22:12:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-10-18 22:12:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-10-18 22:12:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 22:12:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 22:12:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-10-18 22:12:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-10-18 22:12:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-18 22:12:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-18 22:12:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 22:12:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 22:12:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 22:12:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 22:12:53,916 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 22:12:54,039 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 22:12:54,041 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 22:12:54,297 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 22:12:54,297 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 22:12:54,497 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 22:12:54,498 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 22:12:54,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:12:54 BoogieIcfgContainer [2024-10-18 22:12:54,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 22:12:54,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 22:12:54,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 22:12:54,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 22:12:54,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 10:12:53" (1/3) ... [2024-10-18 22:12:54,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:12:54, skipping insertion in model container [2024-10-18 22:12:54,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:12:53" (2/3) ... [2024-10-18 22:12:54,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:12:54, skipping insertion in model container [2024-10-18 22:12:54,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:12:54" (3/3) ... [2024-10-18 22:12:54,507 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-10-18 22:12:54,527 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 22:12:54,527 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-18 22:12:54,527 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 22:12:54,607 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 22:12:54,686 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 22:12:54,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 22:12:54,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:12:54,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 22:12:54,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 22:12:54,782 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 22:12:54,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:12:54,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork0 ======== [2024-10-18 22:12:54,815 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bfa1d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 22:12:54,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 22:12:56,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 22:12:56,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:12:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1344557186, now seen corresponding path program 1 times [2024-10-18 22:12:56,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:12:56,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707860444] [2024-10-18 22:12:56,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:12:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:12:56,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:12:56,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707860444] [2024-10-18 22:12:56,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707860444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:12:56,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:12:56,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:12:56,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327774714] [2024-10-18 22:12:56,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:12:56,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:12:56,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:12:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:12:56,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:12:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:12:56,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:12:56,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-10-18 22:12:56,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:12:57,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:12:57,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 22:12:57,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 22:12:57,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:12:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1840991745, now seen corresponding path program 1 times [2024-10-18 22:12:57,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:12:57,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517640657] [2024-10-18 22:12:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:12:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:12:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:12:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517640657] [2024-10-18 22:12:57,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517640657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:12:57,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:12:57,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:12:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14791221] [2024-10-18 22:12:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:12:57,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:12:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:12:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:12:57,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:12:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:12:57,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:12:57,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-10-18 22:12:57,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:12:57,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:12:57,596 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:12:57,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:12:57,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1803028855, now seen corresponding path program 1 times [2024-10-18 22:12:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:57,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:12:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:58,058 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:12:58,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:12:58,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1800853538, now seen corresponding path program 1 times [2024-10-18 22:12:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:12:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:12:58,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:12:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:12:58,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 22:12:58,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 22:12:58,458 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:12:58,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:12:58,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1803028871, now seen corresponding path program 1 times [2024-10-18 22:12:58,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:58,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:58,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:12:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:59,135 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:12:59,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:12:59,181 INFO L85 PathProgramCache]: Analyzing trace with hash -962359195, now seen corresponding path program 1 times [2024-10-18 22:12:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:12:59,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:12:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:59,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:12:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:12:59,382 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:12:59,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:01,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1798916352, now seen corresponding path program 1 times [2024-10-18 22:13:01,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:01,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:01,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:01,685 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:01,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:01,740 INFO L85 PathProgramCache]: Analyzing trace with hash -619559168, now seen corresponding path program 1 times [2024-10-18 22:13:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:01,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:01,893 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:01,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:13:01,946 INFO L85 PathProgramCache]: Analyzing trace with hash 841444246, now seen corresponding path program 1 times [2024-10-18 22:13:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:01,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,210 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:02,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:02,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1627257450, now seen corresponding path program 1 times [2024-10-18 22:13:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:02,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,390 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:02,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:02,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1536418674, now seen corresponding path program 1 times [2024-10-18 22:13:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,733 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:02,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:02,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1830927858, now seen corresponding path program 1 times [2024-10-18 22:13:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:02,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:03,459 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:03,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-10-18 22:13:03,517 INFO L85 PathProgramCache]: Analyzing trace with hash 34507065, now seen corresponding path program 1 times [2024-10-18 22:13:03,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:03,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:03,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:03,850 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:03,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:03,892 INFO L85 PathProgramCache]: Analyzing trace with hash 710795736, now seen corresponding path program 1 times [2024-10-18 22:13:03,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:03,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:03,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:04,014 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:04,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:04,052 INFO L85 PathProgramCache]: Analyzing trace with hash -254121443, now seen corresponding path program 1 times [2024-10-18 22:13:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:04,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:04,181 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:04,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 634747661, now seen corresponding path program 1 times [2024-10-18 22:13:04,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:04,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:04,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 22:13:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:11,185 INFO L85 PathProgramCache]: Analyzing trace with hash -836163090, now seen corresponding path program 1 times [2024-10-18 22:13:11,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:11,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:11,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 22:13:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-18 22:13:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 22:13:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 22:13:15,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 22:13:15,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 22:13:15,358 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 22:13:15,364 INFO L312 ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork0 was SAFE (1/3) [2024-10-18 22:13:15,368 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 22:13:15,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 22:13:15,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:13:15,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 22:13:15,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 22:13:15,421 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 22:13:15,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:15,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 22:13:15,423 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bfa1d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 22:13:15,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 22:13:16,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 22:13:16,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1673963557, now seen corresponding path program 1 times [2024-10-18 22:13:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:13:16,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009380252] [2024-10-18 22:13:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:16,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:16,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:13:16,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009380252] [2024-10-18 22:13:16,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009380252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:13:16,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:13:16,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:13:16,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728626186] [2024-10-18 22:13:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:13:16,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:13:16,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:13:16,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:13:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:16,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:13:16,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-10-18 22:13:16,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:16,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:13:16,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-18 22:13:16,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 22:13:16,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:16,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1005649276, now seen corresponding path program 1 times [2024-10-18 22:13:16,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:13:16,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219780496] [2024-10-18 22:13:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:16,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:16,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:13:16,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219780496] [2024-10-18 22:13:16,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219780496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:13:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:13:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:13:16,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678344212] [2024-10-18 22:13:16,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:13:16,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:13:16,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:13:16,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:13:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:16,640 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:13:16,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-10-18 22:13:16,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:13:16,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:13:16,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 22:13:16,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-18 22:13:16,740 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 22:13:16,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1611151813, now seen corresponding path program 1 times [2024-10-18 22:13:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:13:16,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781182987] [2024-10-18 22:13:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:16,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:16,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:13:16,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781182987] [2024-10-18 22:13:16,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781182987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:13:16,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:13:16,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:13:16,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499020777] [2024-10-18 22:13:16,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:13:16,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:13:16,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:13:16,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:13:16,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:16,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:16,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:13:16,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-10-18 22:13:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 22:13:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 22:13:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:17,043 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:17,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1803030112, now seen corresponding path program 1 times [2024-10-18 22:13:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:17,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:17,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:17,386 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:17,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1800854799, now seen corresponding path program 1 times [2024-10-18 22:13:17,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:17,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:17,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:17,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 22:13:17,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 22:13:17,705 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:17,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1803030132, now seen corresponding path program 1 times [2024-10-18 22:13:17,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:17,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,217 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:18,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 22:13:18,255 INFO L85 PathProgramCache]: Analyzing trace with hash -962357930, now seen corresponding path program 1 times [2024-10-18 22:13:18,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:18,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,271 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,422 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:18,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:13:18,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1798917617, now seen corresponding path program 1 times [2024-10-18 22:13:18,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:18,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,751 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:18,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:13:18,824 INFO L85 PathProgramCache]: Analyzing trace with hash -619557903, now seen corresponding path program 1 times [2024-10-18 22:13:18,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:18,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:18,924 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:18,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:19,017 INFO L85 PathProgramCache]: Analyzing trace with hash 841445511, now seen corresponding path program 1 times [2024-10-18 22:13:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:19,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:19,220 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:19,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1627256185, now seen corresponding path program 1 times [2024-10-18 22:13:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:19,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:19,373 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:19,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:21,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1536417409, now seen corresponding path program 1 times [2024-10-18 22:13:21,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:21,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:21,627 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:21,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:13:21,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1830926593, now seen corresponding path program 1 times [2024-10-18 22:13:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:21,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:21,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:22,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 458 [2024-10-18 22:13:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash 34508338, now seen corresponding path program 1 times [2024-10-18 22:13:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:22,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:22,715 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:22,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:22,788 INFO L85 PathProgramCache]: Analyzing trace with hash -535862956, now seen corresponding path program 1 times [2024-10-18 22:13:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:22,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:22,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:22,914 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:22,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:23,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1961501416, now seen corresponding path program 1 times [2024-10-18 22:13:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:23,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,107 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:23,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:23,186 INFO L85 PathProgramCache]: Analyzing trace with hash 710797011, now seen corresponding path program 1 times [2024-10-18 22:13:23,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:23,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,276 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:23,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:23,320 INFO L85 PathProgramCache]: Analyzing trace with hash -254120168, now seen corresponding path program 1 times [2024-10-18 22:13:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:23,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:23,424 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:23,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 22:13:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash 634748932, now seen corresponding path program 1 times [2024-10-18 22:13:23,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:23,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:23,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 22:13:23,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:30,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1287280487, now seen corresponding path program 1 times [2024-10-18 22:13:30,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:30,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:31,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:31,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 22:13:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-18 22:13:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 22:13:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 22:13:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 22:13:35,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-10-18 22:13:35,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-10-18 22:13:35,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-18 22:13:35,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-18 22:13:35,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-18 22:13:35,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable30,SelfDestructingSolverStorable41,SelfDestructingSolverStorable31,SelfDestructingSolverStorable42,SelfDestructingSolverStorable29,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable36,SelfDestructingSolverStorable26,SelfDestructingSolverStorable37,SelfDestructingSolverStorable27,SelfDestructingSolverStorable38,SelfDestructingSolverStorable28,SelfDestructingSolverStorable39 [2024-10-18 22:13:35,795 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 22:13:35,795 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2024-10-18 22:13:35,799 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 22:13:35,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 22:13:35,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:13:35,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 22:13:35,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-18 22:13:35,843 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 22:13:35,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:35,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork2 ======== [2024-10-18 22:13:35,843 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3bfa1d05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 22:13:35,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 22:13:36,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 22:13:36,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:13:36,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1101961085, now seen corresponding path program 1 times [2024-10-18 22:13:36,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:13:36,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884311713] [2024-10-18 22:13:36,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:36,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:36,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:13:36,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884311713] [2024-10-18 22:13:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884311713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:13:36,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:13:36,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 22:13:36,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181247665] [2024-10-18 22:13:36,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:13:36,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:13:36,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:13:36,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:13:36,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:13:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:36,469 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:13:36,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-10-18 22:13:36,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:13:36,632 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:36,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-10-18 22:13:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1103382225, now seen corresponding path program 1 times [2024-10-18 22:13:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:36,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 22:13:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 22:13:37,033 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 22:13:37,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-10-18 22:13:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -459856704, now seen corresponding path program 1 times [2024-10-18 22:13:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:13:37,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:13:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:13:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:13:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 22:13:37,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 22:13:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 22:13:44,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 22:13:44,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46 [2024-10-18 22:13:44,402 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-18 22:13:44,402 INFO L312 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork2 was SAFE (3/3) [2024-10-18 22:13:44,403 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 22:13:44,403 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 22:13:44,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 10:13:44 BasicIcfg [2024-10-18 22:13:44,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 22:13:44,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 22:13:44,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 22:13:44,408 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 22:13:44,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:12:54" (3/4) ... [2024-10-18 22:13:44,410 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 22:13:44,413 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-10-18 22:13:44,413 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2024-10-18 22:13:44,414 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-18 22:13:44,417 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-10-18 22:13:44,417 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-18 22:13:44,418 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 22:13:44,418 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 22:13:44,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 22:13:44,508 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 22:13:44,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 22:13:44,509 INFO L158 Benchmark]: Toolchain (without parser) took 51297.88ms. Allocated memory was 184.5MB in the beginning and 983.6MB in the end (delta: 799.0MB). Free memory was 154.1MB in the beginning and 355.8MB in the end (delta: -201.7MB). Peak memory consumption was 596.5MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,509 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 22:13:44,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.15ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 135.3MB in the end (delta: 18.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.86ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,509 INFO L158 Benchmark]: Boogie Preprocessor took 37.28ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,510 INFO L158 Benchmark]: RCFGBuilder took 662.85ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 90.4MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,510 INFO L158 Benchmark]: TraceAbstraction took 49906.37ms. Allocated memory was 184.5MB in the beginning and 983.6MB in the end (delta: 799.0MB). Free memory was 89.1MB in the beginning and 360.0MB in the end (delta: -270.9MB). Peak memory consumption was 526.9MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,510 INFO L158 Benchmark]: Witness Printer took 99.99ms. Allocated memory is still 983.6MB. Free memory was 360.0MB in the beginning and 355.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 22:13:44,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.15ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 135.3MB in the end (delta: 18.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.86ms. Allocated memory is still 184.5MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.28ms. Allocated memory is still 184.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.85ms. Allocated memory is still 184.5MB. Free memory was 131.1MB in the beginning and 90.4MB in the end (delta: 40.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 49906.37ms. Allocated memory was 184.5MB in the beginning and 983.6MB in the end (delta: 799.0MB). Free memory was 89.1MB in the beginning and 360.0MB in the end (delta: -270.9MB). Peak memory consumption was 526.9MB. Max. memory is 16.1GB. * Witness Printer took 99.99ms. Allocated memory is still 983.6MB. Free memory was 360.0MB in the beginning and 355.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45096, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 966, dependent conditional: 876, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 3362, dependent conditional: 3182, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3193, independent: 2953, independent conditional: 505, independent unconditional: 2448, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3193, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 621, dependent conditional: 0, dependent unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10510, independent: 6697, independent conditional: 5480, independent unconditional: 1218, dependent: 3813, dependent conditional: 2132, dependent unconditional: 1681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 47492, independent: 41177, independent conditional: 11994, independent unconditional: 29183, dependent: 3122, dependent conditional: 832, dependent unconditional: 2290, unknown: 3193, unknown conditional: 655, unknown unconditional: 2538] , Statistics on independence cache: Total cache size (in pairs): 3193, Positive cache size: 2953, Positive conditional cache size: 505, Positive unconditional cache size: 2448, Negative cache size: 240, Negative conditional cache size: 150, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31347, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 3362, dependent conditional: 3182, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3193, independent: 2953, independent conditional: 505, independent unconditional: 2448, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3193, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 621, dependent conditional: 0, dependent unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10510, independent: 6697, independent conditional: 5480, independent unconditional: 1218, dependent: 3813, dependent conditional: 2132, dependent unconditional: 1681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 47492, independent: 41177, independent conditional: 11994, independent unconditional: 29183, dependent: 3122, dependent conditional: 832, dependent unconditional: 2290, unknown: 3193, unknown conditional: 655, unknown unconditional: 2538] , Statistics on independence cache: Total cache size (in pairs): 3193, Positive cache size: 2953, Positive conditional cache size: 505, Positive unconditional cache size: 2448, Negative cache size: 240, Negative conditional cache size: 150, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31347 ], Independence queries for same thread: 320, Persistent sets #1 benchmarks: Persistent set computation time: 3.1s, Number of persistent set computation: 3448, Number of trivial persistent sets: 2186, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2538, independent: 2448, independent conditional: 0, independent unconditional: 2448, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45096, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 966, dependent conditional: 876, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44776, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 646, dependent conditional: 556, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 3362, dependent conditional: 3182, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3193, independent: 2953, independent conditional: 505, independent unconditional: 2448, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3193, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 621, dependent conditional: 0, dependent unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10510, independent: 6697, independent conditional: 5480, independent unconditional: 1218, dependent: 3813, dependent conditional: 2132, dependent unconditional: 1681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 47492, independent: 41177, independent conditional: 11994, independent unconditional: 29183, dependent: 3122, dependent conditional: 832, dependent unconditional: 2290, unknown: 3193, unknown conditional: 655, unknown unconditional: 2538] , Statistics on independence cache: Total cache size (in pairs): 3193, Positive cache size: 2953, Positive conditional cache size: 505, Positive unconditional cache size: 2448, Negative cache size: 240, Negative conditional cache size: 150, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31347, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 41646, independent unconditional: 2484, dependent: 3362, dependent conditional: 3182, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47492, independent: 44130, independent conditional: 12499, independent unconditional: 31631, dependent: 3362, dependent conditional: 982, dependent unconditional: 2380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3193, independent: 2953, independent conditional: 505, independent unconditional: 2448, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3193, independent: 2572, independent conditional: 0, independent unconditional: 2572, dependent: 621, dependent conditional: 0, dependent unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 621, independent: 381, independent conditional: 308, independent unconditional: 73, dependent: 240, dependent conditional: 150, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10510, independent: 6697, independent conditional: 5480, independent unconditional: 1218, dependent: 3813, dependent conditional: 2132, dependent unconditional: 1681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 47492, independent: 41177, independent conditional: 11994, independent unconditional: 29183, dependent: 3122, dependent conditional: 832, dependent unconditional: 2290, unknown: 3193, unknown conditional: 655, unknown unconditional: 2538] , Statistics on independence cache: Total cache size (in pairs): 3193, Positive cache size: 2953, Positive conditional cache size: 505, Positive unconditional cache size: 2448, Negative cache size: 240, Negative conditional cache size: 150, Negative unconditional cache size: 90, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31347 ], Independence queries for same thread: 320 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 92359, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 1871, dependent conditional: 1780, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 4878, dependent conditional: 4696, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3429, independent: 3165, independent conditional: 679, independent unconditional: 2486, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3429, independent: 2682, independent conditional: 0, independent unconditional: 2682, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10905, independent: 7393, independent conditional: 6546, independent unconditional: 847, dependent: 3511, dependent conditional: 2166, dependent unconditional: 1345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95366, independent: 87323, independent conditional: 32435, independent unconditional: 54888, dependent: 4614, dependent conditional: 1108, dependent unconditional: 3506, unknown: 3429, unknown conditional: 852, unknown unconditional: 2577] , Statistics on independence cache: Total cache size (in pairs): 3429, Positive cache size: 3165, Positive conditional cache size: 679, Positive unconditional cache size: 2486, Negative cache size: 264, Negative conditional cache size: 173, Negative unconditional cache size: 91, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58265, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 4878, dependent conditional: 4696, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3429, independent: 3165, independent conditional: 679, independent unconditional: 2486, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3429, independent: 2682, independent conditional: 0, independent unconditional: 2682, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10905, independent: 7393, independent conditional: 6546, independent unconditional: 847, dependent: 3511, dependent conditional: 2166, dependent unconditional: 1345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95366, independent: 87323, independent conditional: 32435, independent unconditional: 54888, dependent: 4614, dependent conditional: 1108, dependent unconditional: 3506, unknown: 3429, unknown conditional: 852, unknown unconditional: 2577] , Statistics on independence cache: Total cache size (in pairs): 3429, Positive cache size: 3165, Positive conditional cache size: 679, Positive unconditional cache size: 2486, Negative cache size: 264, Negative conditional cache size: 173, Negative unconditional cache size: 91, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58265 ], Independence queries for same thread: 1067, Persistent sets #1 benchmarks: Persistent set computation time: 2.4s, Number of persistent set computation: 7847, Number of trivial persistent sets: 7847, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2577, independent: 2486, independent conditional: 0, independent unconditional: 2486, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 92359, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 1871, dependent conditional: 1780, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 91292, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 804, dependent conditional: 713, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 4878, dependent conditional: 4696, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3429, independent: 3165, independent conditional: 679, independent unconditional: 2486, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3429, independent: 2682, independent conditional: 0, independent unconditional: 2682, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10905, independent: 7393, independent conditional: 6546, independent unconditional: 847, dependent: 3511, dependent conditional: 2166, dependent unconditional: 1345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95366, independent: 87323, independent conditional: 32435, independent unconditional: 54888, dependent: 4614, dependent conditional: 1108, dependent unconditional: 3506, unknown: 3429, unknown conditional: 852, unknown unconditional: 2577] , Statistics on independence cache: Total cache size (in pairs): 3429, Positive cache size: 3165, Positive conditional cache size: 679, Positive unconditional cache size: 2486, Negative cache size: 264, Negative conditional cache size: 173, Negative unconditional cache size: 91, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58265, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 87964, independent unconditional: 2524, dependent: 4878, dependent conditional: 4696, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95366, independent: 90488, independent conditional: 33114, independent unconditional: 57374, dependent: 4878, dependent conditional: 1281, dependent unconditional: 3597, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3429, independent: 3165, independent conditional: 679, independent unconditional: 2486, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3429, independent: 2682, independent conditional: 0, independent unconditional: 2682, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 747, independent: 483, independent conditional: 413, independent unconditional: 70, dependent: 264, dependent conditional: 173, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10905, independent: 7393, independent conditional: 6546, independent unconditional: 847, dependent: 3511, dependent conditional: 2166, dependent unconditional: 1345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 95366, independent: 87323, independent conditional: 32435, independent unconditional: 54888, dependent: 4614, dependent conditional: 1108, dependent unconditional: 3506, unknown: 3429, unknown conditional: 852, unknown unconditional: 2577] , Statistics on independence cache: Total cache size (in pairs): 3429, Positive cache size: 3165, Positive conditional cache size: 679, Positive unconditional cache size: 2486, Negative cache size: 264, Negative conditional cache size: 173, Negative unconditional cache size: 91, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58265 ], Independence queries for same thread: 1067 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33028, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 774, dependent conditional: 671, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 2224, dependent conditional: 2018, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3062, independent: 2869, independent conditional: 438, independent unconditional: 2431, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3062, independent: 2537, independent conditional: 0, independent unconditional: 2537, dependent: 525, dependent conditional: 0, dependent unconditional: 525, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6419, independent: 4291, independent conditional: 3615, independent unconditional: 676, dependent: 2129, dependent conditional: 898, dependent unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34478, independent: 29385, independent conditional: 7772, independent unconditional: 21613, dependent: 2031, dependent conditional: 391, dependent unconditional: 1640, unknown: 3062, unknown conditional: 528, unknown unconditional: 2534] , Statistics on independence cache: Total cache size (in pairs): 3062, Positive cache size: 2869, Positive conditional cache size: 438, Positive unconditional cache size: 2431, Negative cache size: 193, Negative conditional cache size: 90, Negative unconditional cache size: 103, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23127, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 2224, dependent conditional: 2018, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3062, independent: 2869, independent conditional: 438, independent unconditional: 2431, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3062, independent: 2537, independent conditional: 0, independent unconditional: 2537, dependent: 525, dependent conditional: 0, dependent unconditional: 525, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6419, independent: 4291, independent conditional: 3615, independent unconditional: 676, dependent: 2129, dependent conditional: 898, dependent unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34478, independent: 29385, independent conditional: 7772, independent unconditional: 21613, dependent: 2031, dependent conditional: 391, dependent unconditional: 1640, unknown: 3062, unknown conditional: 528, unknown unconditional: 2534] , Statistics on independence cache: Total cache size (in pairs): 3062, Positive cache size: 2869, Positive conditional cache size: 438, Positive unconditional cache size: 2431, Negative cache size: 193, Negative conditional cache size: 90, Negative unconditional cache size: 103, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23127 ], Independence queries for same thread: 249, Persistent sets #1 benchmarks: Persistent set computation time: 2.0s, Number of persistent set computation: 3279, Number of trivial persistent sets: 2311, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2534, independent: 2431, independent conditional: 0, independent unconditional: 2431, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33028, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 774, dependent conditional: 671, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32779, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 525, dependent conditional: 422, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 2224, dependent conditional: 2018, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3062, independent: 2869, independent conditional: 438, independent unconditional: 2431, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3062, independent: 2537, independent conditional: 0, independent unconditional: 2537, dependent: 525, dependent conditional: 0, dependent unconditional: 525, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6419, independent: 4291, independent conditional: 3615, independent unconditional: 676, dependent: 2129, dependent conditional: 898, dependent unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34478, independent: 29385, independent conditional: 7772, independent unconditional: 21613, dependent: 2031, dependent conditional: 391, dependent unconditional: 1640, unknown: 3062, unknown conditional: 528, unknown unconditional: 2534] , Statistics on independence cache: Total cache size (in pairs): 3062, Positive cache size: 2869, Positive conditional cache size: 438, Positive unconditional cache size: 2431, Negative cache size: 193, Negative conditional cache size: 90, Negative unconditional cache size: 103, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23127, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 29800, independent unconditional: 2454, dependent: 2224, dependent conditional: 2018, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34478, independent: 32254, independent conditional: 8210, independent unconditional: 24044, dependent: 2224, dependent conditional: 481, dependent unconditional: 1743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3062, independent: 2869, independent conditional: 438, independent unconditional: 2431, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3062, independent: 2537, independent conditional: 0, independent unconditional: 2537, dependent: 525, dependent conditional: 0, dependent unconditional: 525, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 525, independent: 332, independent conditional: 262, independent unconditional: 70, dependent: 193, dependent conditional: 90, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6419, independent: 4291, independent conditional: 3615, independent unconditional: 676, dependent: 2129, dependent conditional: 898, dependent unconditional: 1230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34478, independent: 29385, independent conditional: 7772, independent unconditional: 21613, dependent: 2031, dependent conditional: 391, dependent unconditional: 1640, unknown: 3062, unknown conditional: 528, unknown unconditional: 2534] , Statistics on independence cache: Total cache size (in pairs): 3062, Positive cache size: 2869, Positive conditional cache size: 438, Positive unconditional cache size: 2431, Negative cache size: 193, Negative conditional cache size: 90, Negative unconditional cache size: 103, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23127 ], Independence queries for same thread: 249 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t3_funThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 107 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 20.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 19.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 13.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 3, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 63, ConditionalCommutativityTraceChecks: 15, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 20.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 14.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 3, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 57, ConditionalCommutativityTraceChecks: 17, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 107 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 8.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 5.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 34, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 22:13:44,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-10-18 22:13:44,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-10-18 22:13:44,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 22:13:45,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE