./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58ff882a2a27d6746f141646b2befb8bb2c361fcab13fbe9966095432ec78b12 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-17 09:43:13,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 09:43:13,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 09:43:13,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 09:43:13,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 09:43:13,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 09:43:13,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 09:43:13,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 09:43:13,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 09:43:13,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 09:43:13,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 09:43:13,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 09:43:13,923 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 09:43:13,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 09:43:13,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 09:43:13,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 09:43:13,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 09:43:13,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 09:43:13,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 09:43:13,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 09:43:13,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 09:43:13,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 09:43:13,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 09:43:13,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 09:43:13,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 09:43:13,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 09:43:13,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 09:43:13,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 09:43:13,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 09:43:13,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 09:43:13,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:43:13,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 09:43:13,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 09:43:13,929 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 09:43:13,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 09:43:13,931 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 09:43:13,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ff882a2a27d6746f141646b2befb8bb2c361fcab13fbe9966095432ec78b12 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 09:43:14,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 09:43:14,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 09:43:14,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 09:43:14,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 09:43:14,157 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 09:43:14,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-10-17 09:43:15,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 09:43:15,595 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 09:43:15,596 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2024-10-17 09:43:15,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/355a2477e/cf559eb3088a4d23aabea6491b3fe913/FLAG19daf8cff [2024-10-17 09:43:15,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/355a2477e/cf559eb3088a4d23aabea6491b3fe913 [2024-10-17 09:43:15,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 09:43:15,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 09:43:15,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 09:43:15,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 09:43:16,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 09:43:16,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:43:15" (1/1) ... [2024-10-17 09:43:16,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9c63e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16, skipping insertion in model container [2024-10-17 09:43:16,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 09:43:15" (1/1) ... [2024-10-17 09:43:16,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 09:43:16,217 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3959,3972] [2024-10-17 09:43:16,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:43:16,232 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 09:43:16,259 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c[3959,3972] [2024-10-17 09:43:16,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 09:43:16,281 INFO L204 MainTranslator]: Completed translation [2024-10-17 09:43:16,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16 WrapperNode [2024-10-17 09:43:16,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 09:43:16,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 09:43:16,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 09:43:16,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 09:43:16,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,317 INFO L138 Inliner]: procedures = 22, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-10-17 09:43:16,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 09:43:16,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 09:43:16,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 09:43:16,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 09:43:16,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 09:43:16,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 09:43:16,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 09:43:16,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 09:43:16,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (1/1) ... [2024-10-17 09:43:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 09:43:16,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:43:16,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-17 09:43:16,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-17 09:43:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 09:43:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 09:43:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 09:43:16,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 09:43:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 09:43:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 09:43:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 09:43:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-17 09:43:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-17 09:43:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 09:43:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 09:43:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 09:43:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 09:43:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 09:43:16,423 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 09:43:16,518 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 09:43:16,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 09:43:16,731 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 09:43:16,731 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 09:43:16,858 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 09:43:16,859 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 09:43:16,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:43:16 BoogieIcfgContainer [2024-10-17 09:43:16,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 09:43:16,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 09:43:16,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 09:43:16,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 09:43:16,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 09:43:15" (1/3) ... [2024-10-17 09:43:16,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473f03d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:43:16, skipping insertion in model container [2024-10-17 09:43:16,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 09:43:16" (2/3) ... [2024-10-17 09:43:16,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473f03d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 09:43:16, skipping insertion in model container [2024-10-17 09:43:16,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:43:16" (3/3) ... [2024-10-17 09:43:16,865 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2024-10-17 09:43:16,878 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 09:43:16,878 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 09:43:16,878 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 09:43:16,918 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-17 09:43:16,951 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 09:43:16,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 09:43:16,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 09:43:16,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 09:43:16,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-17 09:43:17,022 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 09:43:17,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:17,036 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 09:43:17,041 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@434b68a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 09:43:17,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-17 09:43:17,780 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:43:17,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:17,785 INFO L85 PathProgramCache]: Analyzing trace with hash 352224354, now seen corresponding path program 1 times [2024-10-17 09:43:17,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:17,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614674345] [2024-10-17 09:43:17,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:18,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:43:18,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614674345] [2024-10-17 09:43:18,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614674345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:43:18,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:43:18,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:43:18,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332933495] [2024-10-17 09:43:18,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:43:18,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:43:18,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:43:18,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:43:18,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:43:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:18,235 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:18,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:18,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:18,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 09:43:18,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:43:18,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1890322553, now seen corresponding path program 1 times [2024-10-17 09:43:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:18,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:18,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:18,486 INFO L85 PathProgramCache]: Analyzing trace with hash -552620062, now seen corresponding path program 2 times [2024-10-17 09:43:18,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:18,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171240363] [2024-10-17 09:43:18,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:18,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:18,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:43:18,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171240363] [2024-10-17 09:43:18,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171240363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:43:18,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:43:18,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-17 09:43:18,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718480412] [2024-10-17 09:43:18,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:43:18,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:43:18,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:43:18,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:43:18,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:43:18,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:18,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:18,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:18,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:18,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:18,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:18,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:18,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 09:43:18,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:43:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1890322570, now seen corresponding path program 1 times [2024-10-17 09:43:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:18,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:18,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:19,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1438730782, now seen corresponding path program 1 times [2024-10-17 09:43:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:19,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:19,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:19,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 09:43:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash -115311134, now seen corresponding path program 3 times [2024-10-17 09:43:19,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 09:43:19,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979897088] [2024-10-17 09:43:19,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:20,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 09:43:20,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979897088] [2024-10-17 09:43:20,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979897088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 09:43:20,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 09:43:20,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-17 09:43:20,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757003155] [2024-10-17 09:43:20,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 09:43:20,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-17 09:43:20,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 09:43:20,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-17 09:43:20,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-17 09:43:20,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:20,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:20,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:20,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:20,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:20,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:43:21,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-17 09:43:21,348 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:43:21,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1890322592, now seen corresponding path program 1 times [2024-10-17 09:43:21,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:21,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:21,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 09:43:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 09:43:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash 506961008, now seen corresponding path program 1 times [2024-10-17 09:43:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:21,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:21,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:43:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:43:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-17 09:43:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:21,658 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:21,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:21,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:43:21,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:43:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-17 09:43:22,055 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-17 09:43:22,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1148507086, now seen corresponding path program 1 times [2024-10-17 09:43:22,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:22,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 09:43:22,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 09:43:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 09:43:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 09:43:22,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 09:43:22,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 09:43:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 09:43:22,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:22,175 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 09:43:22,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 09:43:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:43:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 09:43:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-17 09:43:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 09:43:22,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-10-17 09:43:22,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-10-17 09:43:22,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-10-17 09:43:22,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-10-17 09:43:22,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-17 09:43:22,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-17 09:43:22,279 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-10-17 09:43:22,281 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 09:43:22,281 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 09:43:22,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 09:43:22 BasicIcfg [2024-10-17 09:43:22,284 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 09:43:22,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 09:43:22,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 09:43:22,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 09:43:22,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 09:43:16" (3/4) ... [2024-10-17 09:43:22,286 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 09:43:22,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-17 09:43:22,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-17 09:43:22,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-17 09:43:22,289 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-17 09:43:22,291 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2024-10-17 09:43:22,292 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-17 09:43:22,292 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-17 09:43:22,292 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-17 09:43:22,345 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 09:43:22,346 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 09:43:22,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 09:43:22,346 INFO L158 Benchmark]: Toolchain (without parser) took 6351.19ms. Allocated memory was 142.6MB in the beginning and 287.3MB in the end (delta: 144.7MB). Free memory was 70.4MB in the beginning and 173.1MB in the end (delta: -102.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,346 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 09:43:22,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.07ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 70.2MB in the beginning and 152.2MB in the end (delta: -82.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.38ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 150.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,347 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,347 INFO L158 Benchmark]: RCFGBuilder took 512.87ms. Allocated memory is still 184.5MB. Free memory was 148.0MB in the beginning and 115.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,347 INFO L158 Benchmark]: TraceAbstraction took 5423.06ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 114.5MB in the beginning and 177.3MB in the end (delta: -62.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,348 INFO L158 Benchmark]: Witness Printer took 61.86ms. Allocated memory is still 287.3MB. Free memory was 177.3MB in the beginning and 173.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 09:43:22,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.07ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 70.2MB in the beginning and 152.2MB in the end (delta: -82.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.38ms. Allocated memory is still 184.5MB. Free memory was 152.2MB in the beginning and 150.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 184.5MB. Free memory was 150.1MB in the beginning and 148.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.87ms. Allocated memory is still 184.5MB. Free memory was 148.0MB in the beginning and 115.5MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5423.06ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 114.5MB in the beginning and 177.3MB in the end (delta: -62.8MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 61.86ms. Allocated memory is still 287.3MB. Free memory was 177.3MB in the beginning and 173.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 125, dependent conditional: 69, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1473, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1473, independent: 1432, independent conditional: 0, independent unconditional: 1432, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1011, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 838, dependent conditional: 64, dependent unconditional: 774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8212, independent: 6648, independent conditional: 0, independent unconditional: 6648, dependent: 91, dependent conditional: 12, dependent unconditional: 79, unknown: 1473, unknown conditional: 6, unknown unconditional: 1467] , Statistics on independence cache: Total cache size (in pairs): 1473, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 34, Negative conditional cache size: 6, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6699, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 125, dependent conditional: 69, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1473, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1473, independent: 1432, independent conditional: 0, independent unconditional: 1432, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1011, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 838, dependent conditional: 64, dependent unconditional: 774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8212, independent: 6648, independent conditional: 0, independent unconditional: 6648, dependent: 91, dependent conditional: 12, dependent unconditional: 79, unknown: 1473, unknown conditional: 6, unknown unconditional: 1467] , Statistics on independence cache: Total cache size (in pairs): 1473, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 34, Negative conditional cache size: 6, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6699 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 966, Number of trivial persistent sets: 671, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1467, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8135, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 48, dependent conditional: 20, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 125, dependent conditional: 69, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1473, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1473, independent: 1432, independent conditional: 0, independent unconditional: 1432, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1011, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 838, dependent conditional: 64, dependent unconditional: 774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8212, independent: 6648, independent conditional: 0, independent unconditional: 6648, dependent: 91, dependent conditional: 12, dependent unconditional: 79, unknown: 1473, unknown conditional: 6, unknown unconditional: 1467] , Statistics on independence cache: Total cache size (in pairs): 1473, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 34, Negative conditional cache size: 6, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6699, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 6648, independent unconditional: 1439, dependent: 125, dependent conditional: 69, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8212, independent: 8087, independent conditional: 0, independent unconditional: 8087, dependent: 125, dependent conditional: 18, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1473, independent: 1439, independent conditional: 0, independent unconditional: 1439, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1473, independent: 1432, independent conditional: 0, independent unconditional: 1432, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 34, dependent conditional: 6, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1011, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 838, dependent conditional: 64, dependent unconditional: 774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8212, independent: 6648, independent conditional: 0, independent unconditional: 6648, dependent: 91, dependent conditional: 12, dependent unconditional: 79, unknown: 1473, unknown conditional: 6, unknown unconditional: 1467] , Statistics on independence cache: Total cache size (in pairs): 1473, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 34, Negative conditional cache size: 6, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6699 ], Independence queries for same thread: 0 - PositiveResult [Line: 153]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 93 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.3s, 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: 26, 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, 2.0s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 1572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.7s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 2, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 09:43:22,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-17 09:43:22,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE