./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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/mult-flipped-dist.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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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 12:18:22,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 12:18:22,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 12:18:22,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 12:18:22,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 12:18:22,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 12:18:22,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 12:18:22,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 12:18:22,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 12:18:22,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 12:18:22,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 12:18:22,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 12:18:22,464 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 12:18:22,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 12:18:22,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 12:18:22,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 12:18:22,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 12:18:22,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 12:18:22,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 12:18:22,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 12:18:22,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 12:18:22,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 12:18:22,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 12:18:22,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 12:18:22,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 12:18:22,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 12:18:22,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 12:18:22,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 12:18:22,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 12:18:22,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 12:18:22,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 12:18:22,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 12:18:22,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 12:18:22,474 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 12:18:22,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 12:18:22,476 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 12:18:22,476 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 12:18:22,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 12:18:22,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 12:18:22,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 12:18:22,478 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 12:18:22,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-17 12:18:22,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 12:18:22,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 12:18:22,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 12:18:22,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 12:18:22,789 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 12:18:22,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-10-17 12:18:24,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 12:18:24,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 12:18:24,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-10-17 12:18:24,587 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d60dd47e2/39a3682a09244652a05ec7a10e22c416/FLAG8c55419f1 [2024-10-17 12:18:24,606 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d60dd47e2/39a3682a09244652a05ec7a10e22c416 [2024-10-17 12:18:24,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 12:18:24,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 12:18:24,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 12:18:24,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 12:18:24,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 12:18:24,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:24,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17268173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24, skipping insertion in model container [2024-10-17 12:18:24,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:24,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 12:18:24,903 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/mult-flipped-dist.wvr.c[2174,2187] [2024-10-17 12:18:24,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 12:18:24,941 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 12:18:24,964 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/mult-flipped-dist.wvr.c[2174,2187] [2024-10-17 12:18:24,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 12:18:24,983 INFO L204 MainTranslator]: Completed translation [2024-10-17 12:18:24,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24 WrapperNode [2024-10-17 12:18:24,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 12:18:24,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 12:18:24,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 12:18:24,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 12:18:24,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,017 INFO L138 Inliner]: procedures = 21, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-10-17 12:18:25,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 12:18:25,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 12:18:25,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 12:18:25,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 12:18:25,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 12:18:25,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 12:18:25,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 12:18:25,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 12:18:25,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (1/1) ... [2024-10-17 12:18:25,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 12:18:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:18:25,084 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 12:18:25,090 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 12:18:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 12:18:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-17 12:18:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-17 12:18:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-17 12:18:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-17 12:18:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-17 12:18:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-17 12:18:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 12:18:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 12:18:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 12:18:25,134 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 12:18:25,224 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 12:18:25,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 12:18:25,386 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 12:18:25,387 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 12:18:25,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 12:18:25,548 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-17 12:18:25,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:18:25 BoogieIcfgContainer [2024-10-17 12:18:25,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 12:18:25,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 12:18:25,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 12:18:25,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 12:18:25,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 12:18:24" (1/3) ... [2024-10-17 12:18:25,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3981524b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:18:25, skipping insertion in model container [2024-10-17 12:18:25,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 12:18:24" (2/3) ... [2024-10-17 12:18:25,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3981524b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 12:18:25, skipping insertion in model container [2024-10-17 12:18:25,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 12:18:25" (3/3) ... [2024-10-17 12:18:25,563 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-10-17 12:18:25,577 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 12:18:25,578 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 12:18:25,578 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 12:18:25,631 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-17 12:18:25,677 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 12:18:25,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 12:18:25,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:18:25,679 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 12:18:25,680 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 12:18:25,753 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 12:18:25,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:18:25,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 12:18:25,788 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;@30b8990e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 12:18:25,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 12:18:26,441 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 1 more)] === [2024-10-17 12:18:26,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:18:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash 750093435, now seen corresponding path program 1 times [2024-10-17 12:18:26,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:18:26,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053313505] [2024-10-17 12:18:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:18:26,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:18:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:18:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 12:18:27,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:18:27,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053313505] [2024-10-17 12:18:27,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053313505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 12:18:27,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 12:18:27,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 12:18:27,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137059214] [2024-10-17 12:18:27,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 12:18:27,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-17 12:18:27,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:18:27,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-17 12:18:27,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-17 12:18:27,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:27,051 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:18:27,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 12:18:27,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:27,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:18:27,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 12:18:27,199 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 1 more)] === [2024-10-17 12:18:27,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:18:27,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1227356564, now seen corresponding path program 1 times [2024-10-17 12:18:27,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:18:27,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425462482] [2024-10-17 12:18:27,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:18:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:18:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:18:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 12:18:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:18:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425462482] [2024-10-17 12:18:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425462482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 12:18:27,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592344724] [2024-10-17 12:18:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:18:27,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:18:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:18:27,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 12:18:27,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 12:18:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:18:27,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-17 12:18:27,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 12:18:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:18:27,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 12:18:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:18:28,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592344724] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 12:18:28,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 12:18:28,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2024-10-17 12:18:28,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141373561] [2024-10-17 12:18:28,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 12:18:28,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-17 12:18:28,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:18:28,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-17 12:18:28,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-10-17 12:18:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:28,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:18:28,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.8) internal successors, (56), 20 states have internal predecessors, (56), 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 12:18:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:18:28,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:18:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:18:45,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 12:18:46,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-17 12:18:46,066 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 1 more)] === [2024-10-17 12:18:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:18:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 557107666, now seen corresponding path program 2 times [2024-10-17 12:18:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:18:46,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167954995] [2024-10-17 12:18:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:18:46,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:18:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:18:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:18:46,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:18:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167954995] [2024-10-17 12:18:46,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167954995] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 12:18:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884136402] [2024-10-17 12:18:46,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-17 12:18:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:18:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:18:46,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 12:18:46,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 12:18:46,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-17 12:18:46,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 12:18:46,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-17 12:18:46,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 12:18:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:18:47,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 12:18:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:18:47,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884136402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 12:18:47,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 12:18:47,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-10-17 12:18:47,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469601440] [2024-10-17 12:18:47,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 12:18:47,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-10-17 12:18:47,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:18:47,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-10-17 12:18:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2024-10-17 12:18:47,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:47,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:18:47,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 states have internal predecessors, (75), 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 12:18:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:18:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:18:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:18:58,587 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 61 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:19:05,221 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 66 DAG size of output: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:19:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:19:06,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:19:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:19:06,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-17 12:19:06,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:19:06,345 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 1 more)] === [2024-10-17 12:19:06,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:19:06,346 INFO L85 PathProgramCache]: Analyzing trace with hash 439965385, now seen corresponding path program 3 times [2024-10-17 12:19:06,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:19:06,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186864771] [2024-10-17 12:19:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:19:06,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:19:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:19:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-17 12:19:07,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:19:07,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186864771] [2024-10-17 12:19:07,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186864771] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 12:19:07,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906019679] [2024-10-17 12:19:07,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-17 12:19:07,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:19:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:19:07,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 12:19:07,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-17 12:19:07,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-10-17 12:19:07,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 12:19:07,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-10-17 12:19:07,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 12:19:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:19:08,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 12:19:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-10-17 12:19:11,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906019679] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 12:19:11,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 12:19:11,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 29, 4] total 39 [2024-10-17 12:19:11,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623284427] [2024-10-17 12:19:11,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 12:19:11,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-10-17 12:19:11,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:19:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-10-17 12:19:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2024-10-17 12:19:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:19:11,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:19:11,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.225) internal successors, (89), 39 states have internal predecessors, (89), 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 12:19:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:19:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:19:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:19:11,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:19:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:19:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:19:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:19:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 12:19:12,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-17 12:19:13,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:19:13,176 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 1 more)] === [2024-10-17 12:19:13,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:19:13,177 INFO L85 PathProgramCache]: Analyzing trace with hash 367273052, now seen corresponding path program 4 times [2024-10-17 12:19:13,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:19:13,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445690352] [2024-10-17 12:19:13,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:19:13,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:19:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:19:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:19:14,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:19:14,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445690352] [2024-10-17 12:19:14,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445690352] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 12:19:14,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438723294] [2024-10-17 12:19:14,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-17 12:19:14,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:19:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:19:14,383 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 12:19:14,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-17 12:19:14,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-17 12:19:14,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 12:19:14,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-17 12:19:14,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 12:19:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:19:15,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 12:19:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 11 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 12:19:16,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438723294] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 12:19:16,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 12:19:16,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2024-10-17 12:19:16,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032238878] [2024-10-17 12:19:16,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 12:19:16,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-17 12:19:16,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:19:16,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-17 12:19:16,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=3920, Unknown=0, NotChecked=0, Total=4422 [2024-10-17 12:19:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:19:16,574 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:19:16,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 67 states have internal predecessors, (121), 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 12:19:16,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:19:16,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:19:16,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:19:16,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 12:19:16,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:19:39,365 WARN L286 SmtUtils]: Spent 21.83s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:20:03,271 WARN L286 SmtUtils]: Spent 18.75s on a formula simplification. DAG size of input: 116 DAG size of output: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:20:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:20:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:20:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:20:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-17 12:20:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-10-17 12:20:08,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-17 12:20:08,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:20:08,557 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 12:20:08,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 12:20:08,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2087848615, now seen corresponding path program 5 times [2024-10-17 12:20:08,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 12:20:08,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461809405] [2024-10-17 12:20:08,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 12:20:08,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 12:20:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 12:20:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 61 proven. 590 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-17 12:20:10,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 12:20:10,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461809405] [2024-10-17 12:20:10,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461809405] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 12:20:10,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995909617] [2024-10-17 12:20:10,828 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-17 12:20:10,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 12:20:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 12:20:10,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 12:20:10,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 12:20:15,651 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-10-17 12:20:15,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-17 12:20:15,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-10-17 12:20:15,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 12:20:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 80 proven. 570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 12:20:17,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 12:20:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 80 proven. 570 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 12:20:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995909617] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 12:20:22,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 12:20:22,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 126 [2024-10-17 12:20:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377640150] [2024-10-17 12:20:22,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 12:20:22,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-10-17 12:20:22,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 12:20:22,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-10-17 12:20:22,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1454, Invalid=14296, Unknown=0, NotChecked=0, Total=15750 [2024-10-17 12:20:22,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:22,815 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 12:20:22,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 126 states have internal predecessors, (213), 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 12:20:22,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 12:20:22,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-17 12:20:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-17 12:20:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-10-17 12:20:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-10-17 12:20:22,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 12:20:38,515 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 168 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:20:53,642 WARN L286 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:21:09,664 WARN L286 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:21:25,479 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:21:36,650 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:21:48,759 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:22:04,322 WARN L286 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 168 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:22:16,551 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:22:28,284 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:22:39,260 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:22:51,752 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 168 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:23:02,958 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:23:19,268 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:23:35,420 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:23:50,918 WARN L286 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 168 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:24:02,499 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 168 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:24:18,142 WARN L286 SmtUtils]: Spent 9.29s on a formula simplification. DAG size of input: 168 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:24:34,581 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 168 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:26:22,131 WARN L286 SmtUtils]: Spent 58.72s on a formula simplification. DAG size of input: 142 DAG size of output: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:26:24,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:25,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:27,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:29,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:31,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:33,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:35,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:37,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:39,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:41,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:43,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:45,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:47,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:49,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:51,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:53,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:26:55,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:04,227 WARN L286 SmtUtils]: Spent 31.80s on a formula simplification. DAG size of input: 143 DAG size of output: 124 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:28:05,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:08,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:10,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:21,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:27,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:28,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:28:44,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:30,243 WARN L286 SmtUtils]: Spent 19.19s on a formula simplification. DAG size of input: 134 DAG size of output: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:29:32,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:33,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:37,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:38,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:40,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:29:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:30:37,643 WARN L286 SmtUtils]: Spent 21.90s on a formula simplification. DAG size of input: 134 DAG size of output: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:30:39,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:30:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:30:42,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:30:43,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:31:20,009 WARN L286 SmtUtils]: Spent 15.72s on a formula simplification. DAG size of input: 127 DAG size of output: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:31:21,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:32:08,000 WARN L286 SmtUtils]: Spent 16.57s on a formula simplification. DAG size of input: 127 DAG size of output: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-17 12:32:10,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-17 12:32:38,703 WARN L286 SmtUtils]: Spent 12.43s on a formula simplification. DAG size of input: 120 DAG size of output: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15