./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 --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/36-apron_21-traces-cluster-based_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/36-apron_21-traces-cluster-based_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-24 00:29:17,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-24 00:29:18,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-24 00:29:18,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-24 00:29:18,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-24 00:29:18,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-24 00:29:18,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-24 00:29:18,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-24 00:29:18,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-24 00:29:18,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-24 00:29:18,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-24 00:29:18,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-24 00:29:18,054 INFO L153 SettingsManager]: * Use SBE=true [2024-09-24 00:29:18,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-24 00:29:18,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-24 00:29:18,055 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-24 00:29:18,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-24 00:29:18,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-24 00:29:18,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-24 00:29:18,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-24 00:29:18,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-24 00:29:18,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-24 00:29:18,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-24 00:29:18,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-24 00:29:18,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-24 00:29:18,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-24 00:29:18,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-24 00:29:18,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-24 00:29:18,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-24 00:29:18,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-24 00:29:18,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 00:29:18,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-24 00:29:18,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-24 00:29:18,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-24 00:29:18,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-24 00:29:18,064 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-24 00:29:18,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-24 00:29:18,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-24 00:29:18,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-24 00:29:18,069 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-24 00:29:18,069 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-24 00:29:18,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-09-24 00:29:18,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-24 00:29:18,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-24 00:29:18,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-24 00:29:18,317 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-24 00:29:18,318 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-24 00:29:18,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/36-apron_21-traces-cluster-based_true.yml/witness.yml [2024-09-24 00:29:18,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-24 00:29:18,396 INFO L274 PluginConnector]: CDTParser initialized [2024-09-24 00:29:18,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-09-24 00:29:19,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-24 00:29:19,875 INFO L384 CDTParser]: Found 1 translation units. [2024-09-24 00:29:19,875 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-09-24 00:29:19,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea5d3714e/fe1afd43f3cd4b88bcb693159216c837/FLAGdd66f14df [2024-09-24 00:29:19,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ea5d3714e/fe1afd43f3cd4b88bcb693159216c837 [2024-09-24 00:29:19,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-24 00:29:19,900 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-24 00:29:19,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-24 00:29:19,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-24 00:29:19,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-24 00:29:19,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:29:18" (1/2) ... [2024-09-24 00:29:19,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461cee8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:29:19, skipping insertion in model container [2024-09-24 00:29:19,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:29:18" (1/2) ... [2024-09-24 00:29:19,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@287b0593 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 24.09 12:29:19, skipping insertion in model container [2024-09-24 00:29:19,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:29:19" (2/2) ... [2024-09-24 00:29:19,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461cee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:19, skipping insertion in model container [2024-09-24 00:29:19,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 12:29:19" (2/2) ... [2024-09-24 00:29:19,944 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-24 00:29:19,944 INFO L1541 ArrayList]: Location invariant before [L715-L715] (((-999 <= g) && (-999 <= h)) && ((0LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,944 INFO L1541 ArrayList]: Location invariant before [L716-L716] (((-999 <= g) && (-999 <= h)) && ((0LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,944 INFO L1541 ArrayList]: Location invariant before [L705-L705] (((-1016 <= h) && (-999 <= g)) && ((17LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,944 INFO L1541 ArrayList]: Location invariant before [L734-L734] (((-999 <= g) && (-999 <= h)) && ((0LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,944 INFO L1541 ArrayList]: Location invariant before [L695-L695] ((((-1016 <= h) && (-999 <= g)) && (h <= 2147483630)) && ((17LL - (long long )g) + (long long )h >= 0LL)) && ((-17LL + (long long )g) - (long long )h >= 0LL) [2024-09-24 00:29:19,945 INFO L1541 ArrayList]: Location invariant before [L731-L731] (((-1016 <= h) && (-999 <= g)) && ((17LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,945 INFO L1541 ArrayList]: Location invariant before [L690-L690] (((-999 <= g) && (-999 <= h)) && ((0LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,945 INFO L1541 ArrayList]: Location invariant before [L691-L691] (((-999 <= g) && (-999 <= h)) && ((0LL - (long long )g) + (long long )h >= 0LL)) && ((long long )g - (long long )h >= 0LL) [2024-09-24 00:29:19,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-24 00:29:20,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 00:29:20,274 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-24 00:29:20,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-24 00:29:20,368 INFO L204 MainTranslator]: Completed translation [2024-09-24 00:29:20,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20 WrapperNode [2024-09-24 00:29:20,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-24 00:29:20,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-24 00:29:20,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-24 00:29:20,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-24 00:29:20,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,432 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 155 [2024-09-24 00:29:20,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-24 00:29:20,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-24 00:29:20,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-24 00:29:20,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-24 00:29:20,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-24 00:29:20,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-24 00:29:20,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-24 00:29:20,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-24 00:29:20,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (1/1) ... [2024-09-24 00:29:20,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-24 00:29:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:29:20,499 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) [2024-09-24 00:29:20,503 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 [2024-09-24 00:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-09-24 00:29:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-09-24 00:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-24 00:29:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-24 00:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-09-24 00:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-09-24 00:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-24 00:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-24 00:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-24 00:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-24 00:29:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-24 00:29:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-24 00:29:20,542 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-24 00:29:20,644 INFO L242 CfgBuilder]: Building ICFG [2024-09-24 00:29:20,646 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-24 00:29:20,876 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-24 00:29:20,876 INFO L291 CfgBuilder]: Performing block encoding [2024-09-24 00:29:21,013 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-24 00:29:21,014 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-24 00:29:21,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:29:21 BoogieIcfgContainer [2024-09-24 00:29:21,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-24 00:29:21,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-24 00:29:21,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-24 00:29:21,019 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-24 00:29:21,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 24.09 12:29:18" (1/4) ... [2024-09-24 00:29:21,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ba587 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 24.09 12:29:21, skipping insertion in model container [2024-09-24 00:29:21,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 12:29:19" (2/4) ... [2024-09-24 00:29:21,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ba587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:29:21, skipping insertion in model container [2024-09-24 00:29:21,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 12:29:20" (3/4) ... [2024-09-24 00:29:21,021 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6ba587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 12:29:21, skipping insertion in model container [2024-09-24 00:29:21,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 12:29:21" (4/4) ... [2024-09-24 00:29:21,022 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-09-24 00:29:21,037 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-24 00:29:21,037 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-09-24 00:29:21,037 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-24 00:29:21,083 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-24 00:29:21,120 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:21,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:29:21,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:29:21,123 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) [2024-09-24 00:29:21,124 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 [2024-09-24 00:29:21,149 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:29:21,161 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2024-09-24 00:29:21,166 INFO L336 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=None, 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;@3fe6c789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:21,166 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-24 00:29:21,305 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:21,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1851544978, now seen corresponding path program 1 times [2024-09-24 00:29:21,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:21,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783844530] [2024-09-24 00:29:21,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:21,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:21,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:21,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783844530] [2024-09-24 00:29:21,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783844530] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:21,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:21,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 00:29:21,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382727156] [2024-09-24 00:29:21,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:21,625 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:21,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:21,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:21,647 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:21,648 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-09-24 00:29:21,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:21,762 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-24 00:29:21,762 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:21,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1077388204, now seen corresponding path program 1 times [2024-09-24 00:29:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:21,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665811383] [2024-09-24 00:29:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:21,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:21,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665811383] [2024-09-24 00:29:21,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665811383] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:21,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:21,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:21,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96554258] [2024-09-24 00:29:21,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:21,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:21,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:21,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:21,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:21,897 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:21,898 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-09-24 00:29:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:22,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,074 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-24 00:29:22,074 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:22,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1779871676, now seen corresponding path program 1 times [2024-09-24 00:29:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:22,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795201624] [2024-09-24 00:29:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:22,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:22,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795201624] [2024-09-24 00:29:22,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795201624] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:22,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:22,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:22,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544959031] [2024-09-24 00:29:22,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:22,204 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:22,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:22,205 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:22,205 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-09-24 00:29:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:22,794 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-24 00:29:22,795 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:22,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 356377174, now seen corresponding path program 1 times [2024-09-24 00:29:22,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:22,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295468151] [2024-09-24 00:29:22,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:22,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:22,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:22,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295468151] [2024-09-24 00:29:22,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295468151] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:22,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:22,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:22,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88453913] [2024-09-24 00:29:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:22,893 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 00:29:22,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:22,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 00:29:22,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 00:29:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:22,894 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:22,894 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-09-24 00:29:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:23,964 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 1 remaining) [2024-09-24 00:29:23,965 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-24 00:29:23,972 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-09-24 00:29:23,974 INFO L312 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/4) [2024-09-24 00:29:23,979 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:23,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:29:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:29:23,992 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) [2024-09-24 00:29:23,993 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 [2024-09-24 00:29:23,996 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:29:23,997 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork2 ======== [2024-09-24 00:29:23,998 INFO L336 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=None, 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;@3fe6c789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:23,999 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-24 00:29:24,044 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:24,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1806625270, now seen corresponding path program 1 times [2024-09-24 00:29:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:24,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167145692] [2024-09-24 00:29:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:24,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:24,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167145692] [2024-09-24 00:29:24,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167145692] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:24,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:24,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-24 00:29:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408517011] [2024-09-24 00:29:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:24,099 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:24,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:24,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:24,100 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:24,101 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-09-24 00:29:24,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:24,151 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-24 00:29:24,151 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:24,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:24,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2015395932, now seen corresponding path program 1 times [2024-09-24 00:29:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895900501] [2024-09-24 00:29:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:24,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:24,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895900501] [2024-09-24 00:29:24,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895900501] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:24,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:24,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:24,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807541243] [2024-09-24 00:29:24,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:24,239 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:24,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:24,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:24,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:24,240 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:24,240 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-09-24 00:29:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:24,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:26,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:26,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:26,798 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-24 00:29:26,798 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-24 00:29:26,799 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-24 00:29:26,799 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-24 00:29:26,800 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1] [2024-09-24 00:29:26,800 INFO L312 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork2 was SAFE,SAFE,SAFE (2/4) [2024-09-24 00:29:26,807 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:26,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:29:26,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:29:26,810 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) [2024-09-24 00:29:26,813 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 [2024-09-24 00:29:26,815 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:29:26,815 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-24 00:29:26,816 INFO L336 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=None, 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;@3fe6c789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:26,816 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-24 00:29:26,886 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:26,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:26,887 INFO L85 PathProgramCache]: Analyzing trace with hash -484491957, now seen corresponding path program 1 times [2024-09-24 00:29:26,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:26,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979353315] [2024-09-24 00:29:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:26,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979353315] [2024-09-24 00:29:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979353315] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:26,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:26,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 00:29:26,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308069914] [2024-09-24 00:29:26,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:26,946 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:26,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:26,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:26,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:26,947 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:26,947 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-09-24 00:29:26,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,023 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-24 00:29:27,023 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:27,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 753611493, now seen corresponding path program 1 times [2024-09-24 00:29:27,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:27,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287473042] [2024-09-24 00:29:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:27,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:27,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287473042] [2024-09-24 00:29:27,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287473042] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:27,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:27,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:27,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618061966] [2024-09-24 00:29:27,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:27,174 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:27,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:27,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:27,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:27,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,175 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:27,175 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-09-24 00:29:27,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,287 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-24 00:29:27,287 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:27,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:27,288 INFO L85 PathProgramCache]: Analyzing trace with hash 102651694, now seen corresponding path program 1 times [2024-09-24 00:29:27,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:27,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068664132] [2024-09-24 00:29:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:27,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:27,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:27,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068664132] [2024-09-24 00:29:27,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068664132] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:27,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:27,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:27,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207955494] [2024-09-24 00:29:27,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:27,392 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 00:29:27,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:27,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 00:29:27,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-24 00:29:27,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,393 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:27,393 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-09-24 00:29:27,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,480 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-24 00:29:27,481 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:27,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:27,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1802986802, now seen corresponding path program 1 times [2024-09-24 00:29:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:27,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315545509] [2024-09-24 00:29:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:27,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:27,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315545509] [2024-09-24 00:29:27,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315545509] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:27,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:27,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:27,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448310475] [2024-09-24 00:29:27,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:27,705 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:27,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,706 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:27,707 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-09-24 00:29:27,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,821 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-24 00:29:27,821 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:27,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:27,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1214318669, now seen corresponding path program 1 times [2024-09-24 00:29:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:27,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093130838] [2024-09-24 00:29:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:27,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093130838] [2024-09-24 00:29:27,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093130838] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:27,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:27,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565558480] [2024-09-24 00:29:27,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:27,930 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:27,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:27,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:27,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:27,931 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:27,931 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-24 00:29:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,056 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-24 00:29:28,056 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:28,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:28,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1582247344, now seen corresponding path program 1 times [2024-09-24 00:29:28,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:28,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291359635] [2024-09-24 00:29:28,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:28,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:28,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:28,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291359635] [2024-09-24 00:29:28,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291359635] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:28,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:28,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-24 00:29:28,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774005779] [2024-09-24 00:29:28,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:28,177 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-24 00:29:28,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:28,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-24 00:29:28,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-24 00:29:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,178 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:28,178 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-09-24 00:29:28,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 00:29:28,328 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-24 00:29:28,329 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:28,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:28,329 INFO L85 PathProgramCache]: Analyzing trace with hash -831902901, now seen corresponding path program 1 times [2024-09-24 00:29:28,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:28,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089493005] [2024-09-24 00:29:28,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:28,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:28,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:28,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089493005] [2024-09-24 00:29:28,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089493005] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:28,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:28,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:28,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365004472] [2024-09-24 00:29:28,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:28,494 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:28,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:28,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:28,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,495 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:28,495 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 00:29:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 00:29:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:28,816 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-24 00:29:28,816 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-09-24 00:29:28,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:28,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1806625197, now seen corresponding path program 1 times [2024-09-24 00:29:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25162883] [2024-09-24 00:29:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:28,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:28,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25162883] [2024-09-24 00:29:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25162883] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:28,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:28,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:28,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012481431] [2024-09-24 00:29:28,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:28,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-24 00:29:28,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:28,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-24 00:29:28,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-24 00:29:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:28,877 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:28,877 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:28,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-24 00:29:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:29,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:29,726 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-09-24 00:29:29,726 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-24 00:29:29,726 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-09-24 00:29:29,726 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-24 00:29:29,727 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-24 00:29:29,727 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-24 00:29:29,729 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-24 00:29:29,730 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (3/4) [2024-09-24 00:29:29,733 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:29,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-24 00:29:29,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-24 00:29:29,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-24 00:29:29,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-09-24 00:29:29,744 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-24 00:29:29,744 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork1 ======== [2024-09-24 00:29:29,744 INFO L336 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=None, 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;@3fe6c789, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-24 00:29:29,745 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-09-24 00:29:29,810 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:29,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:29,811 INFO L85 PathProgramCache]: Analyzing trace with hash 531888951, now seen corresponding path program 1 times [2024-09-24 00:29:29,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:29,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008390209] [2024-09-24 00:29:29,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:29,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008390209] [2024-09-24 00:29:29,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008390209] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:29,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-24 00:29:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371432486] [2024-09-24 00:29:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:29,876 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:29,877 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:29,880 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-09-24 00:29:29,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:29,956 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-24 00:29:29,956 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:29,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1723780561, now seen corresponding path program 1 times [2024-09-24 00:29:29,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:29,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815561298] [2024-09-24 00:29:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:30,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:30,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815561298] [2024-09-24 00:29:30,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815561298] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:30,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:30,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-24 00:29:30,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575853524] [2024-09-24 00:29:30,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:30,033 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-24 00:29:30,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:30,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-24 00:29:30,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-24 00:29:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,034 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:30,034 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-09-24 00:29:30,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,078 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-24 00:29:30,078 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:30,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:30,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1234620601, now seen corresponding path program 1 times [2024-09-24 00:29:30,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:30,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136989166] [2024-09-24 00:29:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:30,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:30,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:30,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136989166] [2024-09-24 00:29:30,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136989166] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:30,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:30,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 00:29:30,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397433851] [2024-09-24 00:29:30,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:30,179 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:30,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:30,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:30,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,179 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:30,180 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-09-24 00:29:30,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:30,281 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-24 00:29:30,281 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:30,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:30,282 INFO L85 PathProgramCache]: Analyzing trace with hash -2037871135, now seen corresponding path program 1 times [2024-09-24 00:29:30,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:30,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467434356] [2024-09-24 00:29:30,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:30,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:30,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467434356] [2024-09-24 00:29:30,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467434356] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:30,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:30,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-24 00:29:30,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095806427] [2024-09-24 00:29:30,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:30,388 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:30,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:30,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,389 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:30,389 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-09-24 00:29:30,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:30,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:30,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:30,968 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-24 00:29:30,968 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-24 00:29:30,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-24 00:29:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1431134106, now seen corresponding path program 1 times [2024-09-24 00:29:30,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-24 00:29:30,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883374642] [2024-09-24 00:29:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-24 00:29:30,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-24 00:29:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-24 00:29:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-24 00:29:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-24 00:29:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883374642] [2024-09-24 00:29:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883374642] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-24 00:29:31,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-24 00:29:31,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-24 00:29:31,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201487639] [2024-09-24 00:29:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-24 00:29:31,088 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-24 00:29:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-24 00:29:31,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-24 00:29:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-24 00:29:31,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:31,089 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-24 00:29:31,089 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-09-24 00:29:31,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:31,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:31,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:31,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:31,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-24 00:29:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-24 00:29:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-24 00:29:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-24 00:29:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-24 00:29:31,631 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-09-24 00:29:31,632 INFO L785 garLoopResultBuilder]: Registering result SAFE for location t3_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-09-24 00:29:31,632 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-24 00:29:31,633 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-09-24 00:29:31,634 INFO L312 ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork1 was SAFE,SAFE (4/4) [2024-09-24 00:29:31,635 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-24 00:29:31,635 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-24 00:29:31,638 INFO L469 ceAbstractionStarter]: Automizer considered 8 witness invariants [2024-09-24 00:29:31,638 INFO L470 ceAbstractionStarter]: WitnessConsidered=8 [2024-09-24 00:29:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 12:29:31 BasicIcfg [2024-09-24 00:29:31,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-24 00:29:31,639 INFO L158 Benchmark]: Toolchain (without parser) took 11739.13ms. Allocated memory was 172.0MB in the beginning and 868.2MB in the end (delta: 696.3MB). Free memory was 112.8MB in the beginning and 414.3MB in the end (delta: -301.5MB). Peak memory consumption was 396.1MB. Max. memory is 16.1GB. [2024-09-24 00:29:31,639 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 00:29:31,639 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 172.0MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 00:29:31,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.69ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 84.8MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-24 00:29:31,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.24ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-24 00:29:31,640 INFO L158 Benchmark]: Boogie Preprocessor took 26.05ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-24 00:29:31,640 INFO L158 Benchmark]: RCFGBuilder took 544.68ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 88.1MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-24 00:29:31,641 INFO L158 Benchmark]: TraceAbstraction took 10622.93ms. Allocated memory was 172.0MB in the beginning and 868.2MB in the end (delta: 696.3MB). Free memory was 86.9MB in the beginning and 414.3MB in the end (delta: -327.4MB). Peak memory consumption was 369.7MB. Max. memory is 16.1GB. [2024-09-24 00:29:31,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 172.0MB. Free memory is still 129.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.69ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 84.8MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.24ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.05ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.68ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 88.1MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10622.93ms. Allocated memory was 172.0MB in the beginning and 868.2MB in the end (delta: 696.3MB). Free memory was 86.9MB in the beginning and 414.3MB in the end (delta: -327.4MB). Peak memory consumption was 369.7MB. 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: 41877, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 3012, dependent conditional: 2897, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40832, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 1967, dependent conditional: 1852, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40832, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 1967, dependent conditional: 1852, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 6736, dependent conditional: 6621, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 112, independent unconditional: 38753, dependent: 6736, dependent conditional: 1024, dependent unconditional: 5712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 112, independent unconditional: 38753, dependent: 6736, dependent conditional: 1024, dependent unconditional: 5712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3063, independent: 2872, independent conditional: 15, independent unconditional: 2857, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3063, independent: 2765, independent conditional: 0, independent unconditional: 2765, dependent: 298, dependent conditional: 0, dependent unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 298, independent: 107, independent conditional: 15, independent unconditional: 92, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 298, independent: 107, independent conditional: 15, independent unconditional: 92, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 577, independent: 232, independent conditional: 26, independent unconditional: 206, dependent: 346, dependent conditional: 138, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45601, independent: 35993, independent conditional: 97, independent unconditional: 35896, dependent: 6545, dependent conditional: 955, dependent unconditional: 5590, unknown: 3063, unknown conditional: 84, unknown unconditional: 2979] , Statistics on independence cache: Total cache size (in pairs): 3063, Positive cache size: 2872, Positive conditional cache size: 15, Positive unconditional cache size: 2857, Negative cache size: 191, Negative conditional cache size: 69, Negative unconditional cache size: 122, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41495, Maximal queried relation: 4, Independence queries for same thread: 1045, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 3969, Number of trivial persistent sets: 2584, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2970, independent: 2855, independent conditional: 0, independent unconditional: 2855, dependent: 115, dependent conditional: 0, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41877, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 3012, dependent conditional: 2897, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40832, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 1967, dependent conditional: 1852, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40832, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 1967, dependent conditional: 1852, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 36010, independent unconditional: 2855, dependent: 6736, dependent conditional: 6621, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 112, independent unconditional: 38753, dependent: 6736, dependent conditional: 1024, dependent unconditional: 5712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45601, independent: 38865, independent conditional: 112, independent unconditional: 38753, dependent: 6736, dependent conditional: 1024, dependent unconditional: 5712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3063, independent: 2872, independent conditional: 15, independent unconditional: 2857, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3063, independent: 2765, independent conditional: 0, independent unconditional: 2765, dependent: 298, dependent conditional: 0, dependent unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 298, independent: 107, independent conditional: 15, independent unconditional: 92, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 298, independent: 107, independent conditional: 15, independent unconditional: 92, dependent: 191, dependent conditional: 69, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 577, independent: 232, independent conditional: 26, independent unconditional: 206, dependent: 346, dependent conditional: 138, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 45601, independent: 35993, independent conditional: 97, independent unconditional: 35896, dependent: 6545, dependent conditional: 955, dependent unconditional: 5590, unknown: 3063, unknown conditional: 84, unknown unconditional: 2979] , Statistics on independence cache: Total cache size (in pairs): 3063, Positive cache size: 2872, Positive conditional cache size: 15, Positive unconditional cache size: 2857, Negative cache size: 191, Negative conditional cache size: 69, Negative unconditional cache size: 122, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41495, Maximal queried relation: 4, Independence queries for same thread: 1045 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103651, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 7730, dependent conditional: 7627, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100883, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 4962, dependent conditional: 4859, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 100883, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 4962, dependent conditional: 4859, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 12592, dependent conditional: 12489, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 323, independent unconditional: 95598, dependent: 12592, dependent conditional: 1232, dependent unconditional: 11360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 323, independent unconditional: 95598, dependent: 12592, dependent conditional: 1232, dependent unconditional: 11360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2739, independent: 2614, independent conditional: 4, independent unconditional: 2610, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2739, independent: 2521, independent conditional: 0, independent unconditional: 2521, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 218, independent: 93, independent conditional: 4, independent unconditional: 89, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, independent: 93, independent conditional: 4, independent unconditional: 89, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 335, independent: 147, independent conditional: 7, independent unconditional: 140, dependent: 188, dependent conditional: 31, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 108513, independent: 93307, independent conditional: 319, independent unconditional: 92988, dependent: 12467, dependent conditional: 1213, dependent unconditional: 11254, unknown: 2739, unknown conditional: 23, unknown unconditional: 2716] , Statistics on independence cache: Total cache size (in pairs): 2739, Positive cache size: 2614, Positive conditional cache size: 4, Positive unconditional cache size: 2610, Negative cache size: 125, Negative conditional cache size: 19, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 104247, Maximal queried relation: 2, Independence queries for same thread: 2768, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 12248, Number of trivial persistent sets: 8358, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2711, independent: 2608, independent conditional: 0, independent unconditional: 2608, 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: 103651, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 7730, dependent conditional: 7627, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 100883, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 4962, dependent conditional: 4859, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 100883, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 4962, dependent conditional: 4859, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 93313, independent unconditional: 2608, dependent: 12592, dependent conditional: 12489, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 323, independent unconditional: 95598, dependent: 12592, dependent conditional: 1232, dependent unconditional: 11360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 108513, independent: 95921, independent conditional: 323, independent unconditional: 95598, dependent: 12592, dependent conditional: 1232, dependent unconditional: 11360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2739, independent: 2614, independent conditional: 4, independent unconditional: 2610, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2739, independent: 2521, independent conditional: 0, independent unconditional: 2521, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 218, independent: 93, independent conditional: 4, independent unconditional: 89, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, independent: 93, independent conditional: 4, independent unconditional: 89, dependent: 125, dependent conditional: 19, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 335, independent: 147, independent conditional: 7, independent unconditional: 140, dependent: 188, dependent conditional: 31, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 108513, independent: 93307, independent conditional: 319, independent unconditional: 92988, dependent: 12467, dependent conditional: 1213, dependent unconditional: 11254, unknown: 2739, unknown conditional: 23, unknown unconditional: 2716] , Statistics on independence cache: Total cache size (in pairs): 2739, Positive cache size: 2614, Positive conditional cache size: 4, Positive unconditional cache size: 2610, Negative cache size: 125, Negative conditional cache size: 19, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 104247, Maximal queried relation: 2, Independence queries for same thread: 2768 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24392, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 1516, dependent conditional: 1428, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23066, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 190, dependent conditional: 102, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23066, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 190, dependent conditional: 102, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 1556, dependent conditional: 1468, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 172, independent unconditional: 22704, dependent: 1556, dependent conditional: 190, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 172, independent unconditional: 22704, dependent: 1556, dependent conditional: 190, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2774, independent: 2639, independent conditional: 17, independent unconditional: 2622, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2774, independent: 2563, independent conditional: 0, independent unconditional: 2563, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 76, independent conditional: 17, independent unconditional: 59, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 76, independent conditional: 17, independent unconditional: 59, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 357, independent: 183, independent conditional: 79, independent unconditional: 104, dependent: 173, dependent conditional: 48, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24432, independent: 20237, independent conditional: 155, independent unconditional: 20082, dependent: 1421, dependent conditional: 147, dependent unconditional: 1274, unknown: 2774, unknown conditional: 60, unknown unconditional: 2714] , Statistics on independence cache: Total cache size (in pairs): 2774, Positive cache size: 2639, Positive conditional cache size: 17, Positive unconditional cache size: 2622, Negative cache size: 135, Negative conditional cache size: 43, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21360, Maximal queried relation: 8, Independence queries for same thread: 1326, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 4504, Number of trivial persistent sets: 4504, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2710, independent: 2622, independent conditional: 0, independent unconditional: 2622, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 24392, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 1516, dependent conditional: 1428, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23066, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 190, dependent conditional: 102, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23066, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 190, dependent conditional: 102, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 20254, independent unconditional: 2622, dependent: 1556, dependent conditional: 1468, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 172, independent unconditional: 22704, dependent: 1556, dependent conditional: 190, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24432, independent: 22876, independent conditional: 172, independent unconditional: 22704, dependent: 1556, dependent conditional: 190, dependent unconditional: 1366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2774, independent: 2639, independent conditional: 17, independent unconditional: 2622, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2774, independent: 2563, independent conditional: 0, independent unconditional: 2563, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 76, independent conditional: 17, independent unconditional: 59, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 76, independent conditional: 17, independent unconditional: 59, dependent: 135, dependent conditional: 43, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 357, independent: 183, independent conditional: 79, independent unconditional: 104, dependent: 173, dependent conditional: 48, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 24432, independent: 20237, independent conditional: 155, independent unconditional: 20082, dependent: 1421, dependent conditional: 147, dependent unconditional: 1274, unknown: 2774, unknown conditional: 60, unknown unconditional: 2714] , Statistics on independence cache: Total cache size (in pairs): 2774, Positive cache size: 2639, Positive conditional cache size: 17, Positive unconditional cache size: 2622, Negative cache size: 135, Negative conditional cache size: 43, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21360, Maximal queried relation: 8, Independence queries for same thread: 1326 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30202, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 1806, dependent conditional: 1715, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29208, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 812, dependent conditional: 721, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29208, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 812, dependent conditional: 721, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 3267, dependent conditional: 3176, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 289, independent unconditional: 28107, dependent: 3267, dependent conditional: 566, dependent unconditional: 2701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 289, independent unconditional: 28107, dependent: 3267, dependent conditional: 566, dependent unconditional: 2701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2864, independent: 2725, independent conditional: 22, independent unconditional: 2703, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2864, independent: 2629, independent conditional: 0, independent unconditional: 2629, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 235, independent: 96, independent conditional: 22, independent unconditional: 74, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 235, independent: 96, independent conditional: 22, independent unconditional: 74, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 372, independent: 198, independent conditional: 27, independent unconditional: 170, dependent: 174, dependent conditional: 51, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31663, independent: 25671, independent conditional: 267, independent unconditional: 25404, dependent: 3128, dependent conditional: 521, dependent unconditional: 2607, unknown: 2864, unknown conditional: 67, unknown unconditional: 2797] , Statistics on independence cache: Total cache size (in pairs): 2864, Positive cache size: 2725, Positive conditional cache size: 22, Positive unconditional cache size: 2703, Negative cache size: 139, Negative conditional cache size: 45, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28014, Maximal queried relation: 5, Independence queries for same thread: 994, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 3587, Number of trivial persistent sets: 2434, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2794, independent: 2703, independent conditional: 0, independent unconditional: 2703, 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: 30202, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 1806, dependent conditional: 1715, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29208, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 812, dependent conditional: 721, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29208, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 812, dependent conditional: 721, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 25693, independent unconditional: 2703, dependent: 3267, dependent conditional: 3176, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 289, independent unconditional: 28107, dependent: 3267, dependent conditional: 566, dependent unconditional: 2701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31663, independent: 28396, independent conditional: 289, independent unconditional: 28107, dependent: 3267, dependent conditional: 566, dependent unconditional: 2701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2864, independent: 2725, independent conditional: 22, independent unconditional: 2703, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2864, independent: 2629, independent conditional: 0, independent unconditional: 2629, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 235, independent: 96, independent conditional: 22, independent unconditional: 74, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 235, independent: 96, independent conditional: 22, independent unconditional: 74, dependent: 139, dependent conditional: 45, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 372, independent: 198, independent conditional: 27, independent unconditional: 170, dependent: 174, dependent conditional: 51, dependent unconditional: 123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31663, independent: 25671, independent conditional: 267, independent unconditional: 25404, dependent: 3128, dependent conditional: 521, dependent unconditional: 2607, unknown: 2864, unknown conditional: 67, unknown unconditional: 2797] , Statistics on independence cache: Total cache size (in pairs): 2864, Positive cache size: 2725, Positive conditional cache size: 22, Positive unconditional cache size: 2703, Negative cache size: 139, Negative conditional cache size: 45, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 28014, Maximal queried relation: 5, Independence queries for same thread: 994 - PositiveResult [Line: 705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 731]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 734]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 715]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 716]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 121 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 16, 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, 0.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 121 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.7s, 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 121 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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: 36, 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, 0.8s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 1637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t3_funThread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 121 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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: 21, 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, 0.4s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-24 00:29:31,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2024-09-24 00:29:31,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-09-24 00:29:32,088 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 [2024-09-24 00:29:32,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-24 00:29:32,488 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